Forskningsrapport

• Per Lunde; Audun Oppedal Pedersen; Rolf Korneliussen et al. (2013). Power-budget and echo-integrator equations for fish abundance estimation. (ekstern lenke)
• Per Lunde (2001). "Wet gas flow metering using multipath transit time flow meters. Sensitivity study". (ekstern lenke)
• Magne Vestrheim; Asle Lygre; Reidar Bø et al. (1986). "High precision ultrasonic gas flowmeters. Feasibility study". (ekstern lenke)
• Asle Lygre; Hans Ingebrigtsen; Reidar Bø et al. (1993). "FMU 700 - Fiskal måler ultralyd. Konstruksjonsunderlag". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Magne Vestrheim (1995). "FMUSIK - Version 1.0. Uncertainty model for the 6-path FMU 700 ultrasonic gas flow meter". (ekstern lenke)
• Per Lunde (1989). "CAPROS version 2.0. Full wave elastic modelling for shallow gas identification". (ekstern lenke)
• Magne Vestrheim; Reidar Bø; Per Lunde et al. (1989). "Aluminium elektrolysecelle. Ultralydmålinger av sjikttykkelser. Forprosjekt". (ekstern lenke)
• Asle Lygre; Jannicke Hilland; Kjell-Eivind Frøysa et al. (1994). "Plandokument 1994. TOP - Strategisk teknologiprogram. Online monitoring of oil and gas processes". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1988). "Shallow gas detection with a parametric seismic source. Phase I: Feasibility study. Part 1". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1986). "Lydforplantning fra seismisk kildearray. Simuleringsmodellen CAPROS". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1989). "Presisjons ultralyd gass-strømningsmåler. Del 2 - Utvikling og konstruksjon. Rammespesifikasjoner for akustiske transdusere i en flerstråle ultralyd gasstrømningsmåler. Teknisk notat nr. 2.1". (ekstern lenke)
• Asle Lygre; Per Lunde (1990). "FGM 100 transdusere - Vurdering av direktivitet. Arbeidsnotat". (ekstern lenke)
• Per Lunde; Rolf Korneliussen (2014). A unifying theory explaining different power budget formulations used in modern scientific echosounders for fish abundance estimation. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2010). "Ormen Lange ultrasonic gas flow meters. A study for establishment of corrections for pressure and temperature effects. Phase 2". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim et al. (2007). "INDSURF project. Comparison of finite element (FE) and plane wave (Mason) types of simulations for a dual frequency band piezocomposite transducer". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2007). "Ormen Lange ultrasonic gas flow meters. A study for establishment of corrections for pressure and temperature effects". (ekstern lenke)
• Morten I. Andersen; Per Lunde; Michel Gaeta (1999). “EUCLID RTP 10.8: Smart Sonar Array. Wet-end demonstrator. User’s Manual”. (ekstern lenke)
• Morten I. Andersen; Per Lunde; Michel Gaeta (1999). “EUCLID RTP 10.8: Smart Sonar Array. Wet-end demonstrator. Test report”. (ekstern lenke)
• Kjell-Eivind Frøysa; Anders Hallanger; Per Lunde (1998). “K-factor of the Fluenta FGM 100 flare gas meter for the "Valhall/Hod modification" project”. (ekstern lenke)
• Andrew C. Baker; Per Lunde (2001). "Nonlinear propagation from circular echo-sounder transducers. Numerical simulation results". (ekstern lenke)
• Anders Hallanger; Per Lunde (2001). "Sluttrapport. SIP - Gassteknologi 1997-2000". (ekstern lenke)
• Vidar Knappskog; Per Lunde; Remi andré Kippersund (2008). "Fluenta FGM 130 piezoelectric ultrasonic transducers. Finite element simulations using FEMP". (ekstern lenke)
• Per Lunde; Magne Vestrheim; Reidar Bø et al. (1993). "FMU 700 - Fiskal måler ultralyd. Akustiske transdusere". (ekstern lenke)
• Asle Lygre; Per Lunde; Reidar Bø et al. (1988). "High precision ultrasonic flowmeter. Sensitivity study. Volume II". (ekstern lenke)
• Knut Andersen; Kjell Inge Dalland; Per Lunde (1983). "Communication evaluation during a 350 msw operational dive". (ekstern lenke)
• Per Lunde (1983). "Software documentation of the NUTEC experimental unscrambler". (ekstern lenke)
• Per Lunde (1985). "Helium speech unscrambling". (ekstern lenke)
• Asle Lygre; Per Lunde; Reidar Bø et al. (1988). "High precision ultrasonic flowmeter. Sensitivity study. Volume I". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1986). "Simuleringsprogrammet CAPROS Versjon 1.0. Brukarinstruksjon". (ekstern lenke)
• Jan Åke Lundblad; Kjell Inge Dalland; Knut Andersen et al. (1985). "OTP diver communication project Obtained results and further development". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1989). "Presisjons ultralyd gass-strømningsmåler. Del 2 - Utvikling og konstruksjon. Numeriske simuleringer av akustiske transdusere for en flerstråle ultralyd gasstrømningsmåler. Teknisk notat nr. 2.2". (ekstern lenke)
• Per Lunde; Paul Meldahl; Magne Vestrheim (1987). "Full wave elastic modelling for seismic detection of shallow gas". (Expanded version of paper given at 49th Meeting and Technical Exhibition for the European Association of Exploration Geophysicists (EAEG'87), Belgrade, Yugoslavia, June 9-12, 1987). (ekstern lenke)
• Anders Hallanger; Kjell-Eivind Frøysa; Per Lunde (2007). "Fiscal measurement of oil with high water fraction. Phase 1: Sensitivity study for a turbine meter based fiscal metering station". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim et al. (2006). "Finite element modelling of ultrasonic piezoelectric transducers. Extension of FEMP to 3D analysis". (ekstern lenke)
• Per Lunde; Magne Vestrheim (2007). "Final report for the 2005-06 UoB-CMR "såkorn" project "3D finite element modelling (FEM) of precision non-wetted ultrasonic fiscal flow meters for oil and gas"". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (1998). ”VESUM - Version 1.0. Uncertainty model for velocity of sound measurements for the 6-path FMU 700 ultrasonic gas flow meter". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (1999). "FEMP - Finite element modeling of piezoelectric structures. Theory and verification for piezoceramic disks". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Remi andré Kippersund et al. (2008). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Per Lunde (1990). "Modellering av seismisk respons i samband med tynn-lags-problematikk i Nordsjøen. Bruk av fullbølgjemodellen CAPROS". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1990). "Shallow seismics using parametric acoustic sources". (ekstern lenke)
• Per Lunde (1986). "Sound propagation from a seismic source array", Lecture series given at the University of Bergen, Dept. of Mathematics, May 1986 (Compilation of viewgraphs). (ekstern lenke)
• Per Lunde; Magne Vestrheim (1986). "Simuleringsprogrammet CAPROS Versjon 1.0. Programvaredokumentasjon". (ekstern lenke)
• Per Lunde; Øyvind Nesse (1995). "Wet gas measurement. Ultrasonic transducer for thickness measurement of liquid film. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• J. Jakobsen; Robert Palmstrøm; Per Lunde et al. (1989). "Permanent multilayer well monitoring. A study of a down-hole instrumentation system for oil and gas production wells". (ekstern lenke)
• Asle Lygre; Per Lunde; Kjell-Eivind Frøysa (1995). "Present status and future research on multi-path ultrasonic gas flow meters". GERG Technical Monograph, TM-8. (ekstern lenke)
• Per Lunde; Magne Vestrheim (1995). "Modelling of loss effects in piezoceramic materials, and adaptation to measurements on radial and thickness modes in thin disks" (Expanded version of paper given at 15th International Congress on Acoustics (ICA '95), Trondheim, Norway, 26-30 June, 1995, Newman, M. (ed.), Volume I, pp. 381-384). (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2001). "MPU 600 3-stråle USM. Integrasjonsmetodar for fleirstråle ultralyd strøymingsmåling i våtgass. Teoretisk studie". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Remi andré Kippersund et al. (2007). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2002). "Multipath ultrasonic liquid flow meter. Integration method for the 6-path prototype. Basis for implementation". (ekstern lenke)
• Per Lunde; Reidar Bø; Morten I. Andersen et al. (1999). “GERG project on ultrasonic flow meters. Phase II - Transducer testing. Part 1: Measurement methods. Part 2: KOS transducers. Part 3: Daniel transducers". (ekstern lenke)
• Per Lunde; Morten I. Andersen; Magne Vestrheim (1997). "EUCLID RTP 10.8 - Smart sonar array. Piezoelectric buzzer for a self calibrating hydrophone system. Work specifications - Rev. 2". (ekstern lenke)
• Siri Granum Carson; Elisabet Haugsbø; Martin Ludvigsen et al. (2021). Blått kompass. Stø kurs mot bærekraft i norske havnæringer. Kapittel 6: Visjonen om det digitale havet – fra et hav av data til bærekraftig ressursforvaltning. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Gaute Øverås Lied (2015). Handbook of uncertainty calculations for ultrasonic oil flow metering stations. Documentation of uncertainty models and internet tool. (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (2000). "Tables of resonance frequencies for disks of PZT-5A, PZT-5H, Pb(ZrTi)O3 and PbTiO3". (ekstern lenke)
• Andrew C. Baker; Morten I. Andersen; Kjell-Eivind Frøysa et al. (2001). "Ultrasound transmission in wet gas. Scattering from mist droplets and measurement of pipe wall film thickness". (ekstern lenke)
• Andrew C. Baker; Kjell-Eivind Frøysa; Hilde Furset et al. (2001). "Ultrasound transmission in wet gas. Effects of liquid mist and transducer deposits on sound speed and attenuation". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Remi andré Kippersund et al. (2008). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Per Lunde (1990). "Modellering av seismisk respons i samband med tynn-lags-problematikk i Nordsjøen. Bruk av fullbølgjemodellen CAPROS". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1990). "Shallow seismics using parametric acoustic sources". (ekstern lenke)
• Per Lunde (1986). "Sound propagation from a seismic source array", Lecture series given at the University of Bergen, Dept. of Mathematics, May 1986 (Compilation of viewgraphs). (ekstern lenke)
• Per Lunde; Magne Vestrheim (1986). "Simuleringsprogrammet CAPROS Versjon 1.0. Programvaredokumentasjon". (ekstern lenke)
• Per Lunde; Øyvind Nesse (1995). "Wet gas measurement. Ultrasonic transducer for thickness measurement of liquid film. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• J. Jakobsen; Robert Palmstrøm; Per Lunde et al. (1989). "Permanent multilayer well monitoring. A study of a down-hole instrumentation system for oil and gas production wells". (ekstern lenke)
• Asle Lygre; Per Lunde; Kjell-Eivind Frøysa (1995). "Present status and future research on multi-path ultrasonic gas flow meters". GERG Technical Monograph, TM-8. (ekstern lenke)
• Per Lunde; Magne Vestrheim (1995). "Modelling of loss effects in piezoceramic materials, and adaptation to measurements on radial and thickness modes in thin disks" (Expanded version of paper given at 15th International Congress on Acoustics (ICA '95), Trondheim, Norway, 26-30 June, 1995, Newman, M. (ed.), Volume I, pp. 381-384). (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2001). "MPU 600 3-stråle USM. Integrasjonsmetodar for fleirstråle ultralyd strøymingsmåling i våtgass. Teoretisk studie". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Remi andré Kippersund et al. (2007). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2002). "Multipath ultrasonic liquid flow meter. Integration method for the 6-path prototype. Basis for implementation". (ekstern lenke)
• Per Lunde; Reidar Bø; Morten I. Andersen et al. (1999). “GERG project on ultrasonic flow meters. Phase II - Transducer testing. Part 1: Measurement methods. Part 2: KOS transducers. Part 3: Daniel transducers". (ekstern lenke)
• Per Lunde; Morten I. Andersen; Magne Vestrheim (1997). "EUCLID RTP 10.8 - Smart sonar array. Piezoelectric buzzer for a self calibrating hydrophone system. Work specifications - Rev. 2". (ekstern lenke)
• Siri Granum Carson; Elisabet Haugsbø; Martin Ludvigsen et al. (2021). Blått kompass. Stø kurs mot bærekraft i norske havnæringer. Kapittel 6: Visjonen om det digitale havet – fra et hav av data til bærekraftig ressursforvaltning. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Gaute Øverås Lied (2015). Handbook of uncertainty calculations for ultrasonic oil flow metering stations. Documentation of uncertainty models and internet tool. (ekstern lenke)
• Andrew C. Baker; Morten I. Andersen; Per Lunde (2001). "Ultrasound transmission in wet gas. Transducer technology". (ekstern lenke)
• Per Lunde (1994). "Piezoelectric transducer modelling. Radial and thickness modes in poled ferroelectric ceramic disks". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Øyvind Nesse et al. (1996). "Wet gas flow metering. Ultrasonic transit time methods. Basic studies. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1991). "Piezoelectric transducer modelling. Thickness mode vibration". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1992). "FGM 100 fakkelgasssmålar. Verknad av gassparametrar på ultralyd signaltransmisjon". (ekstern lenke)
• Magne Vestrheim; Reidar Bø; Per Lunde et al. (1990). "Aluminium elektrolysecelle. Ultralydmåling av sjikttykkelser. Akustisk transmisjon i flytende kryolitt". (ekstern lenke)
• Asle Lygre; Per Lunde; Kjell-Eivind Frøysa (1995). "GERG Project on ultrasonic flow meters". (ekstern lenke)
• Remi andré Kippersund; Per Lunde (2007). "INDSURF project. Dual frequency gas transducer. Preliminary FEMP simulations". (ekstern lenke)
• Per Lunde; Eivind O. Dahl; Einar Halvorsen (2006). "National strategy for R&D on oil and gas flow measurement technology. A comparison of Norwegian and UK funding systems". (ekstern lenke)
• Øyvind Isaksen; Per Lunde; Kjell-Eivind Frøysa et al. (1997). "On-line overvåking av olje- og gassprosesser. Vedlegg til NFR sluttrapport (NFR/100986/420)". (ekstern lenke)
• Asle Lygre; Per Lunde; Øyvind Isaksen (1997). "Wet gas metering. Flow conditions and metering techniques". (ekstern lenke)
• Kjell-Eivind Frøysa; Anders Hallanger; Per Lunde (1998). “K-factor of the Fluenta FGM 100 flare gas meter for the "Laminaria and Corallina development" project”. (ekstern lenke)

Konferanseforedrag

• Audun Oppedal Pedersen; Per Lunde; Rolf Korneliussen et al. (2009). "Nonlinear sound propagation fisheries research echo" sounders (abstract). (ekstern lenke)
• Kjetil Daae Lohne; Magne Vestrheim; Per Lunde (2008). "Ultrasonic signal transmission in plates. Study of a steel plate immersed in water". (ekstern lenke)
• Per Lunde (1995). "Radial modes in thick, circular, isotropic and piezoceramic disks". (ekstern lenke)
• Panagiotis Papathanasiou; Per Lunde; Michal Bezdek et al. (2020). 3D simulation of ultrasonic flowmeters using a hybrid FEM-FVM method. (ekstern lenke)
• Eivind Nag Mosland; Per Lunde; Jan Martin Kocbach (2023). Using spectrum-of-spectrum (SoS) filtering to extract direct and multipath arrivals from a frequency domain simulation. Comparison with cepstrum and time-gating methods. (ekstern lenke)
• Remi andré Kippersund; Per Lunde; Kjell-Eivind Frøysa (2011). Hydrate deposit detection in pipes using ultrasonic guided waves. (ekstern lenke)
• Per Lunde; Magne Vestrheim (1989). "The interaction of seismic waves with shallow gas structures". (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2017). Sound field radiation from a non-uniformly vibrating baffled and circular piezoelectric ceramic disk in radial mode vibration. (ekstern lenke)
• Eivind Mosland; Rune Hauge; Espen Storheim et al. (2013). "Reciprocity calibration method for ultrasonic piezoelectric transducers in air”. (ekstern lenke)
• Magne Aanes; Per Lunde; Magne Vestrheim (2013). "Interaction of a transducer excited ultrasonic beam with an elastic plate. 3D modeling in comparison with experiments”. (ekstern lenke)
• Per Lunde; Magne Vestrheim; Espen Storheim et al. (2013). "Industrial ultrasound research at UiB/IFT. From gas flow measurement to structural monitoring". (ekstern lenke)
• Audun Oppedal Pedersen; Per Lunde; Rolf Korneliussen et al. (2008). "Nonlinear sound propagation fisheries research echo sounders". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Magne Vestrheim (2000). "Challenges for improved accuracy and traceability in ultrasonic fiscal flow metering of natural gas". (ekstern lenke)
• Petter Norli; Per Lunde (2006). "A three-way pulse method for a precision sound velocity measurement cell". (ekstern lenke)
• Mathias Sæther; Per Lunde (2015). "Sound velocity measurement method for porous sandstone. Discussion and prelimirary results”. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Espen Storheim et al. (2015). "Beam transmission of water-embedded steel plate at normal incidence. Diffraction effects in the S1 to A3 region”. (ekstern lenke)
• Per Lunde; Magne Vestrheim; Reidar Bø (2006). "Reciprocity in electroacoustic measurement systems, and reciprocal operation: Principles and applications to ultrasonic flow metering". (ekstern lenke)
• Andre Adelsten Søvik; Kenneth Kirkeng Andersen; Per Lunde et al. (2015). "Characterization of ultrasound transmit-receive measurement systems in air. Comparison of finite element modelling and experimental measurements". (ekstern lenke)
• Per Lunde; Audun Oppedal Pedersen (2015). "Volume backscattering of finite-amplitude acoustic waves: Power flow, sampled volume, and scattering cross section". (ekstern lenke)
• Per Lunde; Remi andré Kippersund; Magne Vestrheim et al. (2004). "Transient diffraction effects in piezoelectric ultrasonic transducers using finite element modelling". (ekstern lenke)
• Remi andré Kippersund; Per Lunde; Magne Vestrheim (2004). "Finite element modelling of piezoelectric ultrasonic transducer properties in natural gas". (ekstern lenke)
• Petter Norli; Per Lunde; Magne Vestrheim (2004). "Methods for precision sound velocity measurements in pressure cells for gas characterization". (ekstern lenke)
• Per Lunde; Remi andré Kippersund; Magne Vestrheim (2003). "Signal modelling using the FLOSIM system model in ultrasonic instrumentation for industrial applications". (ekstern lenke)
• Magne Aanes; Per Lunde; Magne Vestrheim (2013). Ultrasonic beam transmission through a steel plate at oblique incidence: Uniform piston vs. piezoelectric transducer. (ekstern lenke)
• Kjetil Daae Lohne; Magne Aanes; Per Lunde et al. (2017). Finite aperture effects in the backward wave propagation region of a leaky Lamb mode at normal beam incidence. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2004). "Mass and energy measurement of natural gas using ultrasonic flow meters. Recent results". (ekstern lenke)
• Per Lunde; Audun Oppedal Pedersen (2012). Sonar and power budget equations for backscattering of finite amplitude sound waves, with implications in fishery acoustics for abundance estimation of marine resources. (ekstern lenke)
• Audun Oppedal Pedersen; Magne Vestrheim; Per Lunde (2005). "Nonlinear sound propagation effects in fisheries research echo sounders - Measurements and simulations in fresh water". (ekstern lenke)
• Simen Hammervold Midtbø; Magne Aanes; Per Lunde et al. (2018). Comparison of angular spectrum models for baffled piston sound field with finite receiver apertures. (ekstern lenke)
• Remi andré Kippersund; Jan M. Kocbach; Per Lunde (2008). "Simulation of guided waves in a fluid loaded elastic plate". (ekstern lenke)
• Jochen Deibele; Jan M. Kocbach; Per Lunde et al. (2008). "Transdusere for SURF avbildning". (ekstern lenke)
• Andrew C. Baker; Per Lunde (1999). “Effects of deposits on the performance of ultrasonic gas transducers”. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (1997). "Influence of piezoelectric transducer response on transit time determination using cross-correlation of chirp signals". (ekstern lenke)
• Per Lunde (2003). "Subsea multipath ultrasonic liquid flow meter". (ekstern lenke)
• Eivind Nag Mosland; Jan Martin Kocbach; Per Lunde (2022). Errors using the spatially averaged free-field pressure approximation for description of the receiving properties of piezoelectric transducers. (ekstern lenke)
• Audun Oppedal Pedersen; Per Lunde; Magne Vestrheim (2005). "Nonlinear effects in fisheries and research echo sounders and sonars". (ekstern lenke)
• Petter Norli; Per Lunde; Magne Vestrheim (2005). "Investigation of precision sound velocity measurements as reference for ultrasonic gas flow meters". (ekstern lenke)
• Remi andré Kippersund; Per Lunde; Kjell-Eivind Frøysa (2009). "Deposit detection using plate waves". (ekstern lenke)
• Kjetil Daae Lohne; Per Lunde; Magne Vestrheim (2011). Ultrasonic beam interactions with a fluid-immersed steel plate at normal and oblique incidence. Measurement results and comparisons with an angular spectrum method in frequency and time-domains. (ekstern lenke)
• Espen Storheim; Magne Aanes; Magne Vestrheim et al. (2010). "Ultrasonic piezoceramic transducers for air, - finite element analysis and measurements". (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2011). Finite element analysis of acoustic beam interactions with a plate at normal incidence. Comparison with a 3D angular spectrum method and measurements. (ekstern lenke)
• Magne Vestrheim; Per Lunde; Paul Meldahl (1988). "High resolution shallow seismic surveying using parametric acoustic source technology". (ekstern lenke)
• Eivind Nag Mosland; Espen Storheim; Per Lunde et al. (2021). Diffraction correction for precision measurements of sound velocity in gas. Is full receiver modelling needed?. (ekstern lenke)
• Rune Hauge; Eivind Mosland; Espen Storheim et al. (2013). "Finite element modeling of ultrasound measurement systems for gas. System model compared to measurements”. (ekstern lenke)
• Per Lunde (1987). "Modelling of acoustic transducers". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1988). "Parametrisk lydkilde. Optimalisering". (ekstern lenke)
• Kjell-Eivind Frøysa; Anders Hallanger; Per Lunde (2007). "Fiskalmåling av olje med høy vannfraksjon. Sensitivitetsstudie for en turbinmeter-basert målestasjon". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (1999). "FE simulations of piezoceramic disks with a front layer of varying thickness". (ekstern lenke)
• Andrzej Hanyga; Hans B. Helle; Per Lunde et al. (1991). "Seismic wave simulation in exploration and production". (ekstern lenke)
• Magne Vestrheim; Per Lunde (1989). "Pulse generation using a parametric source". (ekstern lenke)
• Per Lunde; Remi André Kippersund; Magne Vestrheim et al. (2005). "Finite element modeling of sound propagation from a piezoelectric transducer through an elastic layer". (ekstern lenke)
• Raymond j. Kalivoda; Per Lunde (2006). "Liquid ultrasonic meters for crude oil measurement". (ekstern lenke)
• Per Lunde (1988). "Årsaker til heliumtaleforvrenging". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2002). "Mass and energy measurement of gas using ultrasonic flow meters". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Skule Smørgrav (2010). "Challenges and technology trends in fiscal metering of natural gas including measurement of CO2 emission". (ekstern lenke)
• Kjetil Daae Lohne; Magne Vestrheim; Per Lunde (2005). "Electrical and acoustical response of of a Pz27 piezoelectric ceramic element in air. Finite element analyses and experimental results". (ekstern lenke)
• Mathias Sæther; Per Lunde; Geir Ersland (2016). Sound velocity measurement method for porous sandstone. Measurements, finite element modelling, and diffraction correction. (ekstern lenke)
• Audun Oppedal Pedersen; Per Lunde; Frank E. Tichy et al. (2026). Nonlinear Sound Propagation in Echosounder Measurements – Sensitivity to Seawater Parameters. (ekstern lenke)
• Per Lunde; Rolf Korneliussen (2015). A unifying theory explaining different formulations of power budget equations and calibration factors commonly used for fish abundance estimation. (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde (2023). “Contributions from the backward- and forward-wave bands to ultrasonic beam transmission for a fluid-embedded steel plate”. (ekstern lenke)
• Renate Grindheim; Per Lunde; Magne Vestrheim (2019). Characterization of ultrasound transmit-receive measurement systems in air. Comparison with prior work on piezoelectric elements in radial mode vibration. (ekstern lenke)
• Mathias Sæther; Per Lunde; Stian Almenningen et al. (2019). Elastic wave velocities under methane hydrate growth in Bentheim sandstone. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Svein Neumann et al. (2008). "Handbook of uncertainty calculations, - Ultrasonic fiscal oil metering stations". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1995). "Modelling of loss effects in piezoceramic materials, and adaptation to measurements on radial and thickness modes in thin disks". (ekstern lenke)
• Per Lunde (1993). "On the modelling of wave propagation in piezoelectric ceramic transducers". (ekstern lenke)
• Hilde Furset; Per Lunde; Magne Vestrheim et al. (1999). “Investigation of acoustic properties in wet gas for ultrasonic flowmetering”. (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim et al. (1998). “Piezoelectric disks with a front layer. Comparisons of FEM with experimental data”. (ekstern lenke)
• Audun Oppedal Pedersen; Magne Vestrheim; Per Lunde (2005). Consequences of non-linear sound propagation on target strength measurements - preliminary studies. (ekstern lenke)
• Rune Hauge; Eivind Mosland; Espen Storheim et al. (2014). Updated results on finite element modeling of a transmit-receive ultrasound measurement system. Comparison with experiments in air. (ekstern lenke)
• Eivind Mosland; Per Lunde; Jan Martin Kocbach (2023). Near-field diffraction and reception effects in finite element modeling of ultrasound measurement systems for gas. Comparison to measurements in air. (ekstern lenke)
• Magne Vestrheim; Per Lunde (1987). "Utvikling av akustiske transdusere for gass-strømmåling". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1987). "Full bølgje FFP simulering for seismisk gasslommedeteksjon". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1988). "Full wave simulation of multilayer reflection coefficients in shallow seismics". (ekstern lenke)
• Asle Lygre; Magne Vestrheim; Per Lunde et al. (1987). "Numerical simulation of ultrasonic flowmeters". (ekstern lenke)
• Viktor Berge; Asle Lygre; Per Lunde et al. (1987). "Simuleringsverktøy for ultralyd væske og gasstrømningsmåling". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Reidar Sakariassen et al. (1996). "Operation of multipath ultrasonic gas flow meters in noisy environments". (ekstern lenke)
• Per Lunde; Kjell Inge Dalland (1984). "Det matematiske og fysiske grunnlaget for datamaskinell taleprosessering". (ekstern lenke)
• Per Lunde (1986). "The influence of diving masks on the formant spectrum of normal speech and helium speech". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2006). "Mass and energy measurement of natural gas using ultrasonic flow meters. Results from testing on various North Sea gas field data". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Svein Neumann et al. (2002). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Gaute Øverås Lied et al. (2010). Handbook of uncertainty calculations, - Fiscal oil metering systems based on ultrasonic duty and master meters. (ekstern lenke)
• Eivind O. Dahl; Kjell-Eivind Frøysa; Per Lunde (2003). "Handbook of uncertainty calculations. Fiscal orifice gas and turbine oil metering stations". (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde; Magne Vestrheim (2021). Ultrasonic beam radiation from piston source through water-immersed steel plate using ASM. Pressure-to-pressure transfer function and numerical challenges. (ekstern lenke)
• Magne Aanes; Espen Storheim; Magne Vestrheim et al. (2010). "Finite element analysis and measurement of ultrasonic piezoceramic transducers in air and water". (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde; Magne Vestrheim (2022). Ultrasonic beam transmission through a water-immersed steel plate in the vicinity of the ZGV angle. (ekstern lenke)
• Per Lunde (2015). Equations describing finite-amplitude effects in acoustic fish abundance estimation. (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2017). Vibration of a baffled piezoelectric ceramic circular disk in lower radial modes, with near- and farfield sound radiation. (ekstern lenke)
• Raymond j. Kalivoda; Per Lunde (2005). "Liquid ultrasonic meters for crude oil measurement". (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde (2022). "Ultrasonic beam transmission in the backward and forward-wave frequency-wavenumber bands of a fluid-embedded steel plate", Proc. 2022 IEEE International Ultrasonics Symposium, Venice, Italy, 10-13 October 2022, 4 p.. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2018). Transmission through an isotropic viscoelastic water-coupled plate using a transmit-receive transducer system. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2008). "Pressure and temperature effects for Ormen Lange ultrasonic gas flow meters, - Results from a follow-up study". (ekstern lenke)
• Renate Grindheim; Per Lunde; Magne Vestrheim (2019). Characterization of ultrasound transmit-receive measurement systems in air. Comparison with prior work on piezoelectric elements in radial mode vibration. (ekstern lenke)
• Mathias Sæther; Per Lunde; Stian Almenningen et al. (2019). Elastic wave velocities under methane hydrate growth in Bentheim sandstone. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Svein Neumann et al. (2008). "Handbook of uncertainty calculations, - Ultrasonic fiscal oil metering stations". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1995). "Modelling of loss effects in piezoceramic materials, and adaptation to measurements on radial and thickness modes in thin disks". (ekstern lenke)
• Per Lunde (1993). "On the modelling of wave propagation in piezoelectric ceramic transducers". (ekstern lenke)
• Hilde Furset; Per Lunde; Magne Vestrheim et al. (1999). “Investigation of acoustic properties in wet gas for ultrasonic flowmetering”. (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim et al. (1998). “Piezoelectric disks with a front layer. Comparisons of FEM with experimental data”. (ekstern lenke)
• Audun Oppedal Pedersen; Magne Vestrheim; Per Lunde (2005). Consequences of non-linear sound propagation on target strength measurements - preliminary studies. (ekstern lenke)
• Rune Hauge; Eivind Mosland; Espen Storheim et al. (2014). Updated results on finite element modeling of a transmit-receive ultrasound measurement system. Comparison with experiments in air. (ekstern lenke)
• Eivind Mosland; Per Lunde; Jan Martin Kocbach (2023). Near-field diffraction and reception effects in finite element modeling of ultrasound measurement systems for gas. Comparison to measurements in air. (ekstern lenke)
• Magne Vestrheim; Per Lunde (1987). "Utvikling av akustiske transdusere for gass-strømmåling". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1987). "Full bølgje FFP simulering for seismisk gasslommedeteksjon". (ekstern lenke)
• Per Lunde; Magne Vestrheim (1988). "Full wave simulation of multilayer reflection coefficients in shallow seismics". (ekstern lenke)
• Asle Lygre; Magne Vestrheim; Per Lunde et al. (1987). "Numerical simulation of ultrasonic flowmeters". (ekstern lenke)
• Viktor Berge; Asle Lygre; Per Lunde et al. (1987). "Simuleringsverktøy for ultralyd væske og gasstrømningsmåling". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Reidar Sakariassen et al. (1996). "Operation of multipath ultrasonic gas flow meters in noisy environments". (ekstern lenke)
• Per Lunde; Kjell Inge Dalland (1984). "Det matematiske og fysiske grunnlaget for datamaskinell taleprosessering". (ekstern lenke)
• Per Lunde (1986). "The influence of diving masks on the formant spectrum of normal speech and helium speech". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2006). "Mass and energy measurement of natural gas using ultrasonic flow meters. Results from testing on various North Sea gas field data". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Svein Neumann et al. (2002). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Gaute Øverås Lied et al. (2010). Handbook of uncertainty calculations, - Fiscal oil metering systems based on ultrasonic duty and master meters. (ekstern lenke)
• Eivind O. Dahl; Kjell-Eivind Frøysa; Per Lunde (2003). "Handbook of uncertainty calculations. Fiscal orifice gas and turbine oil metering stations". (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde; Magne Vestrheim (2021). Ultrasonic beam radiation from piston source through water-immersed steel plate using ASM. Pressure-to-pressure transfer function and numerical challenges. (ekstern lenke)
• Magne Aanes; Espen Storheim; Magne Vestrheim et al. (2010). "Finite element analysis and measurement of ultrasonic piezoceramic transducers in air and water". (ekstern lenke)
• Mathias Myrtveit Sæther; Per Lunde; Magne Vestrheim (2022). Ultrasonic beam transmission through a water-immersed steel plate in the vicinity of the ZGV angle. (ekstern lenke)
• Per Lunde (2015). Equations describing finite-amplitude effects in acoustic fish abundance estimation. (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2017). Vibration of a baffled piezoelectric ceramic circular disk in lower radial modes, with near- and farfield sound radiation. (ekstern lenke)
• Raymond j. Kalivoda; Per Lunde (2005). "Liquid ultrasonic meters for crude oil measurement". (ekstern lenke)
• Per Lunde; Eivind Nag Mosland; Jan Martin Kocbach et al. (2025). Diffraction correction for piezoelectric transducers in precision ultrasonic measurement systems. (ekstern lenke)
• Skule Smørgrav; Atle k. Abrahamsen; Per Lunde et al. (2006). "Developments in transducer technology and reciprocity in ultrasonic flow meters". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Trond Folkestad (2007). "Pressure and temperature effects for Ormen Lange ultrasonic gas flow meters". (ekstern lenke)
• Skule Smørgrav; Atle k. Abrahamsen; Per Lunde et al. (2007). Developments in transducer technology and reciprocity in ultrasonic flow meters. (ekstern lenke)
• Sigrid Husebø Øygard; Geir Pedersen; Per Lunde (2019). Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory. (ekstern lenke)
• Mathias Sæther; Per Lunde; Stian Almenningen et al. (2019). Acoustic laboratory measurements of hydrate-bearing Bentheim sandstones. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (1999). “Comparison of simulation models for ultrasonic propagation in wet gas”. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2012). "Normal incidence ultrasonic beam transmission through a water-immersed plate using a piezoelectric source transducer. Finite element modeling, angular spectrum method and measurements". (ekstern lenke)
• Simen Eldevik; Åge A. Olsen; Per Lunde (2012). Sound velocity change owing to the acousto-elastic / plastic effects in steel measured using Acoustic Resonance Technology (ART). (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2011). Diffraction correction in ultrasonic fields for measurements of sound velocity in gas. Conventional and alternative methods. (ekstern lenke)
• Magne Vestrheim; Per Lunde (1988). "Signalbehandling i parametriske antenner". (ekstern lenke)
• Per Lunde (1985). "Acoustic transmission line analysis of formants in hyperbaric helium speech". (ekstern lenke)
• Per Lunde; Magne Vestrheim; Asle Lygre (1989). "Ultrasonic pulse propagation in stratified multiphase media". (ekstern lenke)
• Per Lunde; Paul Meldahl; Magne Vestrheim (1987). "Full wave elastic modelling for seismic detection of shallow gas". (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2012). "Ultrasonic beam transmission through a water-immersed plate at oblique incidence using a piezoelectric source transducer. Finite element - angular spectrum modeling and measurements”. (ekstern lenke)
• Per Lunde (1987). "FFP-modelling of seismic / elastic waves in horizontally stratified geologies". (ekstern lenke)
• Per Lunde; Magne Vestrheim; Reidar Bø et al. (2007). "Reciprocal operation of ultrasonic flow meters: Criteria and applications". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2007). "Trykk- og temperatur-effekter for Ormen Lange ultralyd gassmålere". (ekstern lenke)
• Magne Vestrheim; Per Lunde; Rune Fardal (2002). "Endelig element modellering av piezoelektriske transduser vibrasjoner". (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Gaute Øverås Lied et al. (2007). "Natural gas quality measurement using ultrasonic flow meters. Development of a prototype Gas Analyzer with results from testing on North Sea gas field data". (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (2000). "Finite element modeling of piezoceramic disks including radiation into a fluid medium". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Jon B. Fossdal et al. (1999). "Functional enhancements within ultrasonic gas flow measurement". (ekstern lenke)
• Kenneth Kirkeng Andersen; Andre Adelsten Søvik; Per Lunde et al. (2015). "Reciprocity calibration method for ultrasonic piezoelectric transducers in air. Comparison of finite element modelling and experimental measurements". (ekstern lenke)
• Rune Hauge; Eivind Mosland; Espen Storheim et al. (2013). Finite element modelling of ultrasound measurement systems for gas. Comparison with experiments in air. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2017). Dispersion properties of Lamb and leaky Lamb modes in elastic and viscoelastic plates. (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Remi andré Kippersund et al. (2003). "Transient diffraction effects in ultrasonic meters for volumetric, mass and energy flow measurement of natural gas". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa (2002). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". (ekstern lenke)
• Per Lunde; Kjell-Eivind Frøysa; Magne Vestrheim (2003). "Transient diffraction effects in ultrasonic flow meters for gas and liquid". (ekstern lenke)
• Eivind Nag Mosland; Jan Martin Kocbach; Espen Storheim et al. (2022). Radiation in air from a piezoelectric ceramic disk in radial mode vibration. Contributions from front, side and rear surfaces. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde; Magne Vestrheim (2001). "A ray theory approach to investigate the influence of flow velocity profiles on transit times in ultrasonic flow meters for gas and liquid". (ekstern lenke)
• Anders Hallanger; Kjell-Eivind Frøysa; Per Lunde (2001). "CFD simulation and installation effects for ultrasonic flow meters in pipes with bends". (ekstern lenke)
• Wang Wei; Audun Oppedal Pedersen; Per Lunde (2025). Interaction of sound beams with fluidloaded solid plate at normal incidence: Influence of piston 𝒌𝒂 numbers. (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2005). "Density and calorific value measurement in natural gas using ultrasonic flow meters". (ekstern lenke)
• Kenneth Kirkeng Andersen; Per Lunde; Jan Martin Kocbach (2016). Reciprocity calibration method for ultrasonic piezoelectric transducers in air. Comparison of finite element modelling and experimental measurements. (ekstern lenke)
• Frank Tichy; H. Solli; H. Klaveness et al. (2005). "Nonlinear effects in a 200 kHz sound beam". (ekstern lenke)
• Audun Oppedal Pedersen; Magne Vestrheim; Per Lunde (2005). "Quantification of nonlinear sound propagation effects in fisheries research echo sounders". (ekstern lenke)

Forelesning

• Per Lunde (2009). "Bergen Acoustics – Quo vadis?". (ekstern lenke)
• Per Lunde (2020). SFI Smart Ocean - Flexible and cost-effective monitoring for management of a productive and healthy ocean. (ekstern lenke)
• Ehsan Hossein Zadeh Khezri; Per Lunde; Peter James Thomas et al. (2024). Propagation of flow noise in multilayered oil pipeline systems subject to water and gas injection. (ekstern lenke)
• Ivar Ravndal; Per Lunde; Magne Vestrheim (2020). Thickness resonances and dispersion properties of leaky Lamb modes in a steel plate. (ekstern lenke)
• Per Lunde (2009). "Acoustics in the Bergen region". (ekstern lenke)
• Per Lunde (2011). Acoustics, some perspectives. (ekstern lenke)
• Per Lunde (2009). "Acoustics in the Bergen region". (ekstern lenke)
• Per Lunde (2011). Acoustics, some perspectives. (ekstern lenke)
• Per Lunde (2020). Acoustics - Sensing the invisible. (ekstern lenke)
• Christian Brekken; Magnus Hjelstuen; Ivar Eskerud Smith et al. (2024). Water-Break in Oil Wells, Controlled & Labelled DAS data with Acoustic Reference Measurements. (ekstern lenke)
• Per Lunde (2004). "Bruk av ultralyd til nye måleprosessar". (ekstern lenke)

Masteroppgave

• Sigrid Husebø Øygard; Per Lunde; Geir Pedersen (2018). Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory. Master thesis. (ekstern lenke)
• Ivar Ravndal; Per Lunde; Magne Vestrheim (2020). Normal incidence ultrasonic beam transmission through steel plates. Measuring and modelling the transmission coefficient. Master thesis. (ekstern lenke)
• Mats Johan Fjellheim; Per Lunde; Jan Martin Kocbach et al. (2023). Defect detection and acoustic penetration of grout in offshore structures. Master thesis.. (ekstern lenke)
• Jan M. Kocbach; Magne Vestrheim; Per Lunde (1997). "Endelig element modellering av piezoelektriske skiver" (Cand. Scient. thesis). (ekstern lenke)
• Kjetil Daae Lohne; Magne Vestrheim; Per Lunde (2005). "Undersøkelse og utnyttelse av svingemoder i ultralyd tranduserkonstruksjon" (Master thesis). (ekstern lenke)
• Berg Isabel; Per Lunde; U. Peter Svensson (2021). Uncertainty estimation in sound scattering measurements within an anechoic chamber. Master thesis. (ekstern lenke)
• Sverre Kongsro Finstad; Per Lunde; Mathias Myrtveit Sæther et al. (2021). Characterization and finite element modelling of piezoelectric ceramic discs vibrating in air, for a frequency range including the first two radial modes. Master thesis. (ekstern lenke)
• Sindre Nordlund Vatnehol; Per Lunde; Egil Ona (2012). Modellering av det spredte lydfeltet fra en rigid kule med innfallende lydfelt fra en akustisk sylinderarray (Eng.: Modelling of the sound pressure scattered from a rigid sphere, with incident sound field radiated by a cylindrical acoustic array) (Master thesis). (ekstern lenke)
• Haiwa Pedersen; Per Lunde; Rolf Korneliussen et al. (2020). Måling av ekvivalent åpningsvinkel for et 38 kHz fiskeriekkolodd. Kalibrering av ekkolodd ved bruk av flere svingere. Master thesis. (ekstern lenke)
• Henrik Fosså; Per Lunde; Knut Matre (2011). Ultrasound phantom for myocardium. (Master thesis). (ekstern lenke)
• Irene Dahl Isaksen; Per Lunde; Mathias Myrtveit Sæther et al. (2023). Normally incident ultrasonic beam transmission through a water-embedded steel plate as a function of ka-number. Master thesis.. (ekstern lenke)
• Andre Adelsten Søvik; Per Lunde; Magne Vestrheim (2015). Ultrasonic measurement systems for gas. Finite element modelling compared with measurements in air. Master thesis. (ekstern lenke)
• Celine Prøytz; Per Lunde; Mathias Myrtveit Sæther et al. (2022). Underwater ultrasonic transducer technology. Construction, characterization and finite-element modelling. Master thesis. (ekstern lenke)
• Philip Trætteberg; Per Lunde; Mathias Myrtveit Sæther et al. (2022). An analysis on material constants estimation for the low characteristic impedance piezoceramic Pz37HD using measurements and FEM modeling. Master thesis. (ekstern lenke)
• António Alexandre Fraga Dias; Per Lunde (2013). Construction, modeling and characterization of a piezoelectric ultrasonic and underwater transducer. (Master thesis). (ekstern lenke)
• Magnus Hammervold Eileraas; Per Lunde; Magne Vestrheim (2019). Lydhastighetsmålinger med og uten resonanseffekter i en viskoelastisk stålplate i vann. Master thesis. (ekstern lenke)
• Andreas Hagen; Per Lunde; Magne Vestrheim (2017). Ultrasonic measurement systems with diffraction correction for gas: Master thesis. (ekstern lenke)
• Joachim Gjesdal Kristensen; Per Lunde; Tarjei Rommetveit (2022). Measurement cell for sound speed in liquids: The 3-way pulse method. Master thesis. (ekstern lenke)
• Hannah Dyveke Skogheim Benus; Per Lunde; Tarjei Rommetveit (2022). Measurement cell for sound speed in liquids: Pulse-echo buffer rod method. Master thesis. (ekstern lenke)
• Rune Hauge; Per Lunde; Magne Vestrheim et al. (2013). Finite element modeling of ultrasound measurement systems for gas. Comparison with experiments in air. (Master thesis). (ekstern lenke)
• Marianne Solberg; Per Lunde; Kjell-Eivind Frøysa (2009). "Absolute sound velocity measurements in liquid using the three-way pulse method" (Master thesis). (ekstern lenke)
• Magnus Hammervold Eileraas; Per Lunde; Magne Vestrheim (2019). Lydhastighetsmålinger med og uten resonanseffekter i en viskoelastisk stålplate i vann. Master thesis. (ekstern lenke)
• Andreas Hagen; Per Lunde; Magne Vestrheim (2017). Ultrasonic measurement systems with diffraction correction for gas: Master thesis. (ekstern lenke)
• Joachim Gjesdal Kristensen; Per Lunde; Tarjei Rommetveit (2022). Measurement cell for sound speed in liquids: The 3-way pulse method. Master thesis. (ekstern lenke)
• Hannah Dyveke Skogheim Benus; Per Lunde; Tarjei Rommetveit (2022). Measurement cell for sound speed in liquids: Pulse-echo buffer rod method. Master thesis. (ekstern lenke)
• Rune Hauge; Per Lunde; Magne Vestrheim et al. (2013). Finite element modeling of ultrasound measurement systems for gas. Comparison with experiments in air. (Master thesis). (ekstern lenke)
• Marianne Solberg; Per Lunde; Kjell-Eivind Frøysa (2009). "Absolute sound velocity measurements in liquid using the three-way pulse method" (Master thesis). (ekstern lenke)
• Håvard Råheim Økland; Per Lunde; Mathias Myrtveit Sæther et al. (2023). Finite element modelling, construction and experimental characterization of piezoelectric transducers for gas. Master thesis. (ekstern lenke)
• Espen Fosse; Per Lunde; Mathias Myrtveit Sæther et al. (2022). Finite element modeling and experimental characterization of piezoelectric ceramic disk in air. Master thesis. (ekstern lenke)
• Renate Grindheim; Per Lunde; Magne Vestrheim (2019). Ultrasonic measurement system for gas. Experimental and theoretical characterization using piezoelectric elements at radial mode vibration in air. Master thesis. (ekstern lenke)
• Erlend Bjørndal; Magne Vestrheim; Per Lunde (1994). "Utnyttelse av resonansmodi i ultralyd transduserkonstruksjonar" (Cand. Scient. thesis). (ekstern lenke)
• Maren F. Rong; Per Lunde; Tonje Nesse Forland et al. (2022). The application of CW and FM sonar technology to detect a decrease in air in the swim bladder of Atlantic salmon, measurements and modeling. Master thesis. (ekstern lenke)
• Eivind Mosland; Magne Vestrheim; Per Lunde et al. (2013). Reciprocity calibration method for ultrasonic piezoelectric transducers in air. (Master thesis). (ekstern lenke)
• Kenneth Kirkeng Andersen; Per Lunde; Magne Vestrheim et al. (2015). Reciprocity calibration of ultrasonic piezoelectric disks in air. Master thesis. (ekstern lenke)
• Adrian Kvist; Per Lunde; Svein Mjølsnes (2019). "Tid-frekvens-analyse av støy fra kaviterende skipspropeller". Master thesis. (ekstern lenke)

Konferanseposter

• Cato Bjelland; Per Lunde; Remi andré Kippersund (2005). "Making downhole sensors available at high temperatures". (ekstern lenke)
• Petter Norli; Per Lunde; Magne Vestrheim (2005). "Investigation of precision sound velocity measurement methods as reference for ultrasonic gas flow meters". (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2011). Diffraction correction for precision measurements of sound velocity in gas. Use of an alternative method for non-uniform piezoelectric transmitting transducer vibration (Poster). (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2005). "Integration methods in ultrasonic flow meters for gas and liquid". (ekstern lenke)
• Espen Storheim; Per Lunde; Magne Vestrheim (2011). Diffraction correction for precision measurements of sound velocity in gas. Use of an alternative method for non-uniform piezoelectric transmitting transducer vibration (Poster). (ekstern lenke)
• Kjell-Eivind Frøysa; Per Lunde (2005). "Integration methods in ultrasonic flow meters for gas and liquid". (ekstern lenke)
• Simen Eldevik; Fabrice Jean Gabriel Prieur; Per Lunde (2013). Measuring stress-state of gas pipelines (Poster presentation). (ekstern lenke)

Fagbok

• Eivind O. Dahl; Kjell-Eivind Frøysa; Per Lunde (2003). "Handbook of uncertainty calculations. Fiscal orifice gas and turbine oil metering stations" Handbook prepared on behalf of the Norwegian Society for Oil and Gas Measurement (NFOGM), Norwegian Petroleum Directorate (NPD) & Norwegian Society of Chartered Engineers (NIF)(May 2003). (ekstern lenke)

Vitenskapelig artikkel

• Per Lunde; Audun Oppedal Pedersen (2025). Criteria for Consistent Broadband Pulse Compression and Narrowband Echo Integration Operation in Fisheries Echosounder Backscattering Measurements. (ekstern lenke)
• Eivind Nag Mosland; Per Lunde; Jan Martin Kocbach (2024). Diffraction correction in high-precision pulse-echo and multiple-reflection ultrasonic measurement systems for fluids. (ekstern lenke)
• Eivind Nag Mosland; Per Lunde; Jan Martin Kocbach (2023). A spectrum-of-spectrum filtering method to extract direct and multipath arrivals from simulations and measurements. (ekstern lenke)
• Per Lunde; Rolf Korneliussen (2016). Power budget equations and calibration factors for fish abundance estimation using scientific echo sounders and sonar systems. (ekstern lenke)
• Audun Oppedal Pedersen; Per Lunde; Frank Tichy et al. (2022). Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2015). Transducer beam diffraction effects in sound transmission near leaky Lamb modes in elastic plates at normal incidence. (ekstern lenke)
• Lars Robert Hole; Per Lunde; Yngve T. Gjessing (1997). Effects of strong sound velocity gradients on propagation of low frequency impulse sound: Comparison of FFP predictions and experimental data. (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (2001). "Resonance frequency spectra with convergence tests for piezoceramic disks using the finite element method". (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2017). Beam diffraction effects in the backward wave regions of viscoelastic leaky Lamb modes for plate transmission at normal incidence. (ekstern lenke)
• Per Lunde (2020). Finite‐amplitude power budget equations for acoustic fish abundance estimation. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2012). Ultrasonic beam transmission through a water-immersed plate at oblique incidence using a piezoelectric source transducer. Finite element - angular spectrum modeling and measurements. (ekstern lenke)
• Lars Robert Hole; Per Lunde; Yngve T. Gjessing (1997). Effects of strong sound velocity gradients on propagation of low frequency impulse sound: Comparison of FFP predictions and experimental data. (ekstern lenke)
• Jan M. Kocbach; Per Lunde; Magne Vestrheim (2001). "Resonance frequency spectra with convergence tests for piezoceramic disks using the finite element method". (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2017). Beam diffraction effects in the backward wave regions of viscoelastic leaky Lamb modes for plate transmission at normal incidence. (ekstern lenke)
• Per Lunde (2020). Finite‐amplitude power budget equations for acoustic fish abundance estimation. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2012). Ultrasonic beam transmission through a water-immersed plate at oblique incidence using a piezoelectric source transducer. Finite element - angular spectrum modeling and measurements. (ekstern lenke)
• Magne Aanes; Kjetil Daae Lohne; Per Lunde et al. (2016). Finite aperture influence on energy concentration, frequency shift, and signal enhancement, for acoustic transmission in the negative group velocity region of the S1 leaky Lamb mode. (ekstern lenke)
• Johannes Just Hjertaas; Henrik Fosså; Grete Lunestad Dybdahl et al. (2013). Accuracy of real-time single- and multi-beat 3-D speckle tracking echocardiography in vitro. (ekstern lenke)
• Eivind Nag Mosland; Per Lunde; Jan Martin Kocbach (2023). Finite element-based diffraction correction for piezoelectric transducers accounting for diffraction at transmission, propagation, and reception. (ekstern lenke)
• Mathias Myrtveit Sæther; Simen Hammervold Midtbø; Per Lunde (2022). Interaction of three-dimensional acoustic beam with fluid-loaded solid plate: Axial near- to far-field transmission at normal beam incidence. (ekstern lenke)
• Per Lunde (2015). Equations describing finite-amplitude effects in acoustic fish abundance estimation. (ekstern lenke)
• Anders Hallanger; Kjell-Eivind Frøysa; Per Lunde (2002). "CFD simulation and installation effects for ultrasonic flow meters in pipes with bends". (ekstern lenke)

Doktorgradsavhandling

• Simen Eldevik; Per Lunde (2014). Measurement of non-linear acoustoelastic effect in steel using acoustic resonance (PhD thesis). (ekstern lenke)
• Mathias Sæther; Per Lunde; Geir Ersland (2018). Elastic wave velocities and attenuation under methane hydrate growth in Bentheim sandstone - Measurements and modelling. PhD Thesis. (ekstern lenke)
• Per Lunde; Magne Vestrheim; Jan Martin Kocbach (2000). "Finite element modelling of ultrasonic piezoelectric transducers. Influence of geometry and material parameters on vibration response functions and radiated field" (Dr. Scient. thesis). (ekstern lenke)
• Per Lunde (1986). "Analysis and unscrambling of hyperbaric helium speech. Part I and II" (Dr. Philos. thesis). (ekstern lenke)
• Jan Kocbach; Per Lunde; Magne Vestrheim (2000). Finite Element Modeling of Ultrasonic Piezoelectric Transducers. Influence of geometry and material parameters on vibration, response functions and radiated field. (ekstern lenke)
• Per Lunde (1987). Analysis and unscrambling of hyperbaric helium speech. (ekstern lenke)
• Jan Kocbach; Per Lunde; Magne Vestrheim (2000). Finite Element Modeling of Ultrasonic Piezoelectric Transducers. Influence of geometry and material parameters on vibration, response functions and radiated field. (ekstern lenke)
• Magne Aanes; Per Lunde; Magne Vestrheim (2014). Interaction of piezoelectric transducer excited ultrasonic pulsed beams with a fluid-embedded viscoelastic plate. Finite element modeling, angular spectrum modeling and measurements (PhD thesis). (ekstern lenke)
• Petter Norli; Magne Vestrheim; Per Lunde (2007). "Sound velocity cell for gas characterization" (PhD thesis). (ekstern lenke)
• Audun Pedersen; Magne Vestrheim; Per Lunde (2006). "Effects of nonlinear sound propagation in fisheries research" (PhD thesis). (ekstern lenke)

Konferanseabstrakt

• Johannes Just Hjertaas; Henrik Fosså; Grete Lunestad Dybdahl et al. (2011). Accuracy of real-time single and multi beat 3D speckle tracking echocardiography in vitro. (ekstern lenke)
• Geir Heggelund; knut Rasmussen; Per Lunde et al. (2010). Prognostic significance of mitral flow derived Doppler indices in a general population with normal systolic function: A prospective population-based chort study. The Tromso Study 1994-2009. (ekstern lenke)

Fagartikkel

• Per Lunde (2010). Fiskalmåling av olje og gass; - Utfordringer og muligheter med ultralydteknologi. (ekstern lenke)

Vitenskapelig bokkapittel

• Audun Oppedal Pedersen; Per Lunde; Rolf Korneliussen et al. (2022). Finite-amplitude sound propagation effects in fish abundance estimation. (ekstern lenke)
• Audun Oppedal Pedersen; Per Lunde; Rolf Korneliussen et al. (2022). Finite-amplitude sound propagation effects in fish abundance estimation. (ekstern lenke)

Medieintervju

• Ådne Lunde; Per Lunde; Inger Graves (2020). Forskarar i Bergen vil bli først med trådlaust internett under vatn. (ekstern lenke)

Antologi

• Per Lunde; Kjell-Eivind Frøysa; Magne Vestrheim (2000). "GERG project on ultrasonic gas flow meters, Phase II. GERG Technical Monograph TM11. Groupe Européen de Recherches Gazières". (ekstern lenke)

Vitenskapelig monografi

• Per Lunde; Kjell-Eivind Frøysa (2001). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". Handbook prepared on behalf of the Norwegian Society of Oil and Gas Measurement (NFOGM) and the Norwegian Petroleum Directorate (NPD). (ekstern lenke)

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