Vitenskapelig artikkel

• Lunde, Per; Pedersen, Audun Oppedal (2025). Criteria for Consistent Broadband Pulse Compression and Narrowband Echo Integration Operation in Fisheries Echosounder Backscattering Measurements. (ekstern lenke)
• Mosland, Eivind Nag; Lunde, Per; Kocbach, Jan Martin (2025). Comparison of measured and finite element-based diffraction correction (FEDC) for ultrasonic measurement systems in a gaseous medium. (ekstern lenke)
• Mosland, Eivind Nag; Lunde, Per; Kocbach, Jan Martin (2024). Diffraction correction in high-precision pulse-echo and multiple-reflection ultrasonic measurement systems for fluids. (ekstern lenke)
• Mosland, Eivind Nag; Lunde, Per; Kocbach, Jan Martin (2023). A spectrum-of-spectrum filtering method to extract direct and multipath arrivals from simulations and measurements. (ekstern lenke)
• Mosland, Eivind Nag; Lunde, Per; Kocbach, Jan Martin (2023). Finite element-based diffraction correction for piezoelectric transducers accounting for diffraction at transmission, propagation, and reception. (ekstern lenke)
• Sæther, Mathias Myrtveit; Almenningen, Stian; Ersland, Geir et al. (2022). Compressional wave phase velocity measurements during hydrate growth in partially and fully water saturated sandstone. (ekstern lenke)
• Pedersen, Audun Oppedal; Lunde, Per; Tichy, Frank et al. (2022). Finite-amplitude sound propagation effects in volume backscattering measurements for fish abundance estimation. (ekstern lenke)
• Sæther, Mathias Myrtveit; Midtbø, Simen Hammervold; Lunde, Per (2022). Interaction of three-dimensional acoustic beam with fluid-loaded solid plate: Axial near- to far-field transmission at normal beam incidence. (ekstern lenke)
• Lunde, Per (2020). Finite‐amplitude power budget equations for acoustic fish abundance estimation. (ekstern lenke)
• Øyerhamn, Rune; Mosland, Eivind Nag; Storheim, Espen et al. (2018). Finite element modeling of ultrasound measurement systems for gas. Comparison with experiments in air. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2017). Beam diffraction effects in the backward wave regions of viscoelastic leaky Lamb modes for plate transmission at normal incidence. (ekstern lenke)
• Aanes, Magne; Kippersund, Remi André; Lohne, Kjetil Daae et al. (2017). Time-of-flight dependency on transducer separation distance in a reflective-path guided-wave ultrasonic flow meter at zero flow conditions. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per 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)
• Lunde, Per; Korneliussen, Rolf (2016). Power budget equations and calibration factors for fish abundance estimation using scientific echo sounders and sonar systems. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2016). Beam diffraction effects in sound transmission of a fluid-embedded viscoelastic plate at normal incidence. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2015). Transducer beam diffraction effects in sound transmission near leaky Lamb modes in elastic plates at normal incidence. (ekstern lenke)
• Lunde, Per (2015). Equations describing finite-amplitude effects in acoustic fish abundance estimation. (ekstern lenke)
• Hjertaas, Johannes Just; Fosså, Henrik; Dybdahl, Grete Lunestad et al. (2013). Accuracy of real-time single- and multi-beat 3-D speckle tracking echocardiography in vitro. (ekstern lenke)
• Eveborn, Gry Debora Wisthus; Schirmer, Henrik; Heggelund, Geir et al. (2013). The Evolving Epidemiology of Valvular Aortic Stenosis. The Tromsø Study. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per 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)
• Hallanger, Anders; Frøysa, Kjell-Eivind; Lunde, Per (2002). "CFD simulation and installation effects for ultrasonic flow meters in pipes with bends". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (2001). "Resonance frequency spectra with convergence tests for piezoceramic disks using the finite element method". (ekstern lenke)
• Hole, Lars Robert; Lunde, Per; Gjessing, Yngve T. (1997). Effects of strong sound velocity gradients on propagation of low frequency impulse sound: Comparison of FFP predictions and experimental data. (ekstern lenke)

Vitenskapelig foredrag

• Wei, Wang; Pedersen, Audun Oppedal; Lunde, Per (2025). Interaction of sound beams with fluidloaded solid plate at normal incidence: Influence of piston 𝒌𝒂 numbers. (ekstern lenke)
• Sæther, Mathias Myrtveit; Kocbach, Jan Martin; Lunde, Per (2024). Transducers for gas measurement in the lower hundred kHz frequency range. (ekstern lenke)
• Sæther, Mathias Myrtveit; Lunde, Per (2023). “Contributions from the backward- and forward-wave bands to ultrasonic beam transmission for a fluid-embedded steel plate”. (ekstern lenke)
• Mosland, Eivind Nag; Lunde, Per; Kocbach, Jan Martin (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)
• Mosland, Eivind; Lunde, Per; Kocbach, Jan Martin (2023). Near-field diffraction and reception effects in finite element modeling of ultrasound measurement systems for gas. Comparison to measurements in air. (ekstern lenke)
• Sæther, Mathias Myrtveit; Lunde, Per (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)
• Mosland, Eivind Nag; Kocbach, Jan Martin; Lunde, Per (2022). Errors using the spatially averaged free-field pressure approximation for description of the receiving properties of piezoelectric transducers. (ekstern lenke)
• Mosland, Eivind Nag; Kocbach, Jan Martin; Storheim, Espen et al. (2022). Radiation in air from a piezoelectric ceramic disk in radial mode vibration. Contributions from front, side and rear surfaces. (ekstern lenke)
• Solberg, Marianne; Lunde, Per; Vestrheim, Magne (2022). Energy-flux density in real-, imaginary-, and complex-valued branches of Lamb modes in an isotropic plate. (ekstern lenke)
• Sæther, Mathias Myrtveit; Lunde, Per; Vestrheim, Magne (2022). Ultrasonic beam transmission through a water-immersed steel plate in the vicinity of the ZGV angle. (ekstern lenke)
• Mosland, Eivind Nag; Storheim, Espen; Lunde, Per et al. (2021). Diffraction correction for precision measurements of sound velocity in gas. Is full receiver modelling needed?. (ekstern lenke)
• Sæther, Mathias Myrtveit; Lunde, Per; Vestrheim, Magne (2021). Ultrasonic beam radiation from piston source through water-immersed steel plate using ASM. Pressure-to-pressure transfer function and numerical challenges. (ekstern lenke)
• Solberg, Marianne; Aanes, Magne; Lunde, Per et al. (2021). Complex dispersion properties of lossy and leaky Lamb modes related to Poisson's ratio. (ekstern lenke)
• Papathanasiou, Panagiotis; Lunde, Per; Bezdek, Michal et al. (2020). 3D simulation of ultrasonic flowmeters using a hybrid FEM-FVM method. (ekstern lenke)
• Sæther, Mathias; Midtbø, Simen Hammervold; Lunde, Per et al. (2020). Nearfield effects from leaky Lamb modes in a steel plate for normal beam incidence. (ekstern lenke)
• Solberg, Marianne; Aanes, Magne; Lunde, Per et al. (2020). Complex dispersion properties of Lamb modes vs. Poisson’s ratio. (ekstern lenke)
• Øygard, Sigrid Husebø; Pedersen, Geir; Lunde, Per (2019). Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory. (ekstern lenke)
• Sæther, Mathias; Lunde, Per; Almenningen, Stian et al. (2019). Acoustic laboratory measurements of hydrate-bearing Bentheim sandstones. (ekstern lenke)
• Grindheim, Renate; Lunde, Per; Vestrheim, Magne (2019). Characterization of ultrasound transmit-receive measurement systems in air. Comparison with prior work on piezoelectric elements in radial mode vibration. (ekstern lenke)
• Sæther, Mathias; Lunde, Per; Almenningen, Stian et al. (2019). Elastic wave velocities under methane hydrate growth in Bentheim sandstone. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2018). Transmission through an isotropic viscoelastic water-coupled plate using a transmit-receive transducer system. (ekstern lenke)
• Midtbø, Simen Hammervold; Aanes, Magne; Lunde, Per et al. (2018). Comparison of angular spectrum models for baffled piston sound field with finite receiver apertures. (ekstern lenke)
• Storheim, Espen; Lunde, Per; Vestrheim, Magne (2017). Sound field radiation from a non-uniformly vibrating baffled and circular piezoelectric ceramic disk in radial mode vibration. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2017). Dispersion properties of Lamb and leaky Lamb modes in elastic and viscoelastic plates. (ekstern lenke)
• Lohne, Kjetil Daae; Aanes, Magne; Lunde, Per et al. (2017). Finite aperture effects in the backward wave propagation region of a leaky Lamb mode at normal beam incidence. (ekstern lenke)
• Storheim, Espen; Lunde, Per; Vestrheim, Magne (2017). Vibration of a baffled piezoelectric ceramic circular disk in lower radial modes, with near- and farfield sound radiation. (ekstern lenke)
• Sæther, Mathias; Lunde, Per; Ersland, Geir (2016). Sound velocity measurement method for porous sandstone. Measurements, finite element modelling, and diffraction correction. (ekstern lenke)
• Andersen, Kenneth Kirkeng; Lunde, Per; Kocbach, Jan Martin (2016). Reciprocity calibration method for ultrasonic piezoelectric transducers in air. Comparison of finite element modelling and experimental measurements. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per et al. (2016). Transducer finite aperture effects in sound transmission near leaky Lamb modes in elastic plates at normal incidence. (ekstern lenke)
• Lunde, Per; Korneliussen, Rolf (2015). A unifying theory explaining different formulations of power budget equations and calibration factors commonly used for fish abundance estimation. (ekstern lenke)
• Sæther, Mathias; Lunde, Per (2015). "Sound velocity measurement method for porous sandstone. Discussion and prelimirary results”. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Storheim, Espen et al. (2015). "Beam transmission of water-embedded steel plate at normal incidence. Diffraction effects in the S1 to A3 region”. (ekstern lenke)
• Søvik, Andre Adelsten; Andersen, Kenneth Kirkeng; Lunde, Per et al. (2015). "Characterization of ultrasound transmit-receive measurement systems in air. Comparison of finite element modelling and experimental measurements". (ekstern lenke)
• Andersen, Kenneth Kirkeng; Søvik, Andre Adelsten; Lunde, Per et al. (2015). "Reciprocity calibration method for ultrasonic piezoelectric transducers in air. Comparison of finite element modelling and experimental measurements". (ekstern lenke)
• Lunde, Per; Pedersen, Audun Oppedal (2015). "Volume backscattering of finite-amplitude acoustic waves: Power flow, sampled volume, and scattering cross section". (ekstern lenke)
• Lunde, Per (2015). Equations describing finite-amplitude effects in acoustic fish abundance estimation. (ekstern lenke)
• Hauge, Rune; Mosland, Eivind; Storheim, Espen et al. (2014). Updated results on finite element modeling of a transmit-receive ultrasound measurement system. Comparison with experiments in air. (ekstern lenke)
• Mosland, Eivind; Hauge, Rune; Storheim, Espen et al. (2013). "Reciprocity calibration method for ultrasonic piezoelectric transducers in air”. (ekstern lenke)
• Hauge, Rune; Mosland, Eivind; Storheim, Espen et al. (2013). "Finite element modeling of ultrasound measurement systems for gas. System model compared to measurements”. (ekstern lenke)
• Storheim, Espen; Hauge, Rune; Mosland, Eivind et al. (2013). "Finite element modeling of ultrasound measurement systems for gas. Use of a full receiver description in comparison with spherical reciprocity”. (ekstern lenke)
• Aanes, Magne; Lunde, Per; Vestrheim, Magne (2013). "Interaction of a transducer excited ultrasonic beam with an elastic plate. 3D modeling in comparison with experiments”. (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Storheim, Espen et al. (2013). "Industrial ultrasound research at UiB/IFT. From gas flow measurement to structural monitoring". (ekstern lenke)
• Frøysa, Kjell-Eivind; Storheim, Espen; Kippersund, Remi andré et al. (2013). Axial sound field from a non-uniformly vibrating circular sound source mounted in a rigid baffle. (ekstern lenke)
• Hauge, Rune; Mosland, Eivind; Storheim, Espen et al. (2013). Finite element modelling of ultrasound measurement systems for gas. Comparison with experiments in air. (ekstern lenke)
• Aanes, Magne; Lunde, Per; Vestrheim, Magne (2013). Ultrasonic beam transmission through a steel plate at oblique incidence: Uniform piston vs. piezoelectric transducer. (ekstern lenke)
• Mosland, Eivind; Hauge, Rune; Storheim, Espen et al. (2013). Reciprocity calibration method for ultrasonic, piezoelectric transducers in air, including finite element simulations. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per 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)
• Eldevik, Simen; Olsen, Åge A.; Lunde, Per (2012). Sound velocity change owing to the acousto-elastic / plastic effects in steel measured using Acoustic Resonance Technology (ART). (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per 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)
• Lunde, Per; Pedersen, Audun Oppedal (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)
• Lohne, Kjetil Daae; Lunde, Per; Vestrheim, Magne (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)
• Kippersund, Remi andré; Lunde, Per; Frøysa, Kjell-Eivind (2011). Hydrate deposit detection in pipes using ultrasonic guided waves. (ekstern lenke)
• Storheim, Espen; Lunde, Per; Vestrheim, Magne (2011). Diffraction correction in ultrasonic fields for measurements of sound velocity in gas. Conventional and alternative methods. (ekstern lenke)
• Aanes, Magne; Lohne, Kjetil Daae; Lunde, Per 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)
• Kocbach, Jan Martin; Kippersund, Remi andré; Lunde, Per (2010). "Time domain finite element modeling of SH-mode propagation in elastic plates with deposits". (ekstern lenke)
• Storheim, Espen; Aanes, Magne; Vestrheim, Magne et al. (2010). "Ultrasonic piezoceramic transducers for air, - finite element analysis and measurements". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Lied, Gaute Øverås et al. (2010). Handbook of uncertainty calculations, - Fiscal oil metering systems based on ultrasonic duty and master meters. (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Smørgrav, Skule (2010). "Challenges and technology trends in fiscal metering of natural gas including measurement of CO2 emission". (ekstern lenke)
• Aanes, Magne; Storheim, Espen; Vestrheim, Magne et al. (2010). "Finite element analysis and measurement of ultrasonic piezoceramic transducers in air and water". (ekstern lenke)
• Kippersund, Remi andré; Lunde, Per; Frøysa, Kjell-Eivind (2010). "Measurement of fluid viscosity in pipes using multimode ultrasonic guided wave attenuation". (ekstern lenke)
• Lunde, Per (2010). "Challenges of ultrasonic quantum measurement of natural gas". (ekstern lenke)
• Pedersen, Audun Oppedal; Lunde, Per; Korneliussen, Rolf et al. (2009). "Nonlinear sound propagation fisheries research echo" sounders (abstract). (ekstern lenke)
• Kippersund, Remi andré; Lunde, Per; Frøysa, Kjell-Eivind (2009). "Deposit detection using plate waves". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Neumann, Svein et al. (2008). "Handbook of uncertainty calculations, - Ultrasonic fiscal oil metering stations". (ekstern lenke)
• Kippersund, Remi andré; Kocbach, Jan M.; Lunde, Per (2008). "Simulation of guided waves in a fluid loaded elastic plate". (ekstern lenke)
• Lohne, Kjetil Daae; Vestrheim, Magne; Lunde, Per (2008). "Ultrasonic signal transmission in plates. Study of a steel plate immersed in water". (ekstern lenke)
• Deibele, Jochen; Kocbach, Jan M.; Lunde, Per et al. (2008). "Transdusere for SURF avbildning". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (2008). "Pressure and temperature effects for Ormen Lange ultrasonic gas flow meters, - Results from a follow-up study". (ekstern lenke)
• Pedersen, Audun Oppedal; Lunde, Per; Korneliussen, Rolf et al. (2008). "Nonlinear sound propagation fisheries research echo sounders". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Folkestad, Trond (2007). "Pressure and temperature effects for Ormen Lange ultrasonic gas flow meters". (ekstern lenke)
• Smørgrav, Skule; Abrahamsen, Atle k.; Lunde, Per et al. (2007). Developments in transducer technology and reciprocity in ultrasonic flow meters. (ekstern lenke)
• Frøysa, Kjell-Eivind; Hallanger, Anders; Lunde, Per (2007). "Fiskalmåling av olje med høy vannfraksjon. Sensitivitetsstudie for en turbinmeter-basert målestasjon". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar et al. (2007). "Reciprocal operation of ultrasonic flow meters: Criteria and applications". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (2007). "Trykk- og temperatur-effekter for Ormen Lange ultralyd gassmålere". (ekstern lenke)
• Lunde, Per; Norli, Petter; Vestrheim, Magne et al. (2007). "Precision sound velocity cell as reference for gas quality measurement in ultrasonic flow meters. Preliminary results using two candidate methods with argon at low pressure". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per; Lied, Gaute Øverås 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)
• Smørgrav, Skule; Abrahamsen, Atle k.; Lunde, Per et al. (2006). "Developments in transducer technology and reciprocity in ultrasonic flow meters". (ekstern lenke)
• Norli, Petter; Lunde, Per (2006). "A three-way pulse method for a precision sound velocity measurement cell". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2006). "Mass and energy measurement of natural gas using ultrasonic flow meters. Results from testing on various North Sea gas field data". (ekstern lenke)
• Smørgrav, Skule; Abrahamsen, Atle k.; Lunde, Per et al. (2006). "Developments in transducer technology and reciprocity in ultrasonic flow meters". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per; Paulsen, Anfinn et al. (2006). "Density and calorific value measurement of natural gas using ultrasonic flow meters. Results from testing on various North Sea gas field data". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar (2006). "Reciprocity in electroacoustic measurement systems, and reciprocal operation: Principles and applications to ultrasonic flow metering". (ekstern lenke)
• Kalivoda, Raymond j.; Lunde, Per (2006). "Liquid ultrasonic meters for crude oil measurement". (ekstern lenke)
• Pedersen, Audun Oppedal; Vestrheim, Magne; Lunde, Per (2005). Consequences of non-linear sound propagation on target strength measurements - preliminary studies. (ekstern lenke)
• Pedersen, Audun Oppedal; Lunde, Per; Vestrheim, Magne (2005). "Nonlinear effects in fisheries and research echo sounders and sonars". (ekstern lenke)
• Norli, Petter; Lunde, Per; Vestrheim, Magne (2005). "Investigation of precision sound velocity measurements as reference for ultrasonic gas flow meters". (ekstern lenke)
• Lunde, Per; Kippersund, Remi André; Vestrheim, Magne et al. (2005). "Finite element modeling of sound propagation from a piezoelectric transducer through an elastic layer". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2005). "Density and calorific value measurement in natural gas using ultrasonic flow meters". (ekstern lenke)
• Lohne, Kjetil Daae; Vestrheim, Magne; Lunde, Per (2005). "Electrical and acoustical response of of a Pz27 piezoelectric ceramic element in air. Finite element analyses and experimental results". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar et al. (2005). "Reciprocity and its utilization in ultrasonic flow meters". (ekstern lenke)
• Pedersen, Audun Oppedal; Vestrheim, Magne; Lunde, Per (2005). "Nonlinear sound propagation effects in fisheries research echo sounders - Measurements and simulations in fresh water". (ekstern lenke)
• Kalivoda, Raymond j.; Lunde, Per (2005). "Liquid ultrasonic meters for crude oil measurement". (ekstern lenke)
• Tichy, Frank; Solli, H.; Klaveness, H. et al. (2005). "Nonlinear effects in a 200 kHz sound beam". (ekstern lenke)
• Pedersen, Audun Oppedal; Vestrheim, Magne; Lunde, Per (2005). "Quantification of nonlinear sound propagation effects in fisheries research echo sounders". (ekstern lenke)
• Lunde, Per; Kippersund, Remi andré; Vestrheim, Magne et al. (2004). "Transient diffraction effects in piezoelectric ultrasonic transducers using finite element modelling". (ekstern lenke)
• Kippersund, Remi andré; Lunde, Per; Vestrheim, Magne (2004). "Finite element modelling of piezoelectric ultrasonic transducer properties in natural gas". (ekstern lenke)
• Norli, Petter; Lunde, Per; Vestrheim, Magne (2004). "Methods for precision sound velocity measurements in pressure cells for gas characterization". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2004). "Mass and energy measurement of natural gas using ultrasonic flow meters. Recent results". (ekstern lenke)
• Pedersen, Audun Oppedal; Lunde, Per; Vestrheim, Magne (2004). "Convergence and accuracy of the Bergen Code for investigating nonlinear effects in fishery echo sounders". (ekstern lenke)
• Lunde, Per (2003). "Subsea multipath ultrasonic liquid flow meter". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Kippersund, Remi andré et al. (2003). "Transient diffraction effects in ultrasonic meters for volumetric, mass and energy flow measurement of natural gas". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne (2003). "Transient diffraction effects in ultrasonic flow meters for gas and liquid". (ekstern lenke)
• Dahl, Eivind O.; Frøysa, Kjell-Eivind; Lunde, Per (2003). "Handbook of uncertainty calculations. Fiscal orifice gas and turbine oil metering stations". (ekstern lenke)
• Lunde, Per; Kippersund, Remi andré; Vestrheim, Magne (2003). "Signal modelling using the FLOSIM system model in ultrasonic instrumentation for industrial applications". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per; Fardal, Rune (2002). "Endelig element modellering av piezoelektriske transduser vibrasjoner". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (2002). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (2002). "Mass and energy measurement of gas using ultrasonic flow meters". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Neumann, Svein et al. (2002). "Handbook of uncertainty calculations. Ultrasonic fiscal gas metering stations". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (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)
• Baker, Andrew C.; Frøysa, Kjell-Eivind; Furset, Hilde et al. (2001). "Ultrasonic scattering from liquid droplets in wet gas". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per; Vestrheim, Magne (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)
• Hallanger, Anders; Frøysa, Kjell-Eivind; Lunde, Per (2001). "CFD simulation and installation effects for ultrasonic flow meters in pipes with bends". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne (2000). "Challenges for improved accuracy and traceability in ultrasonic fiscal flow metering". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (2000). "Finite element modeling of piezoceramic disks including radiation into a fluid medium". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne (2000). "Challenges for improved accuracy and traceability in ultrasonic fiscal flow metering of natural gas". (ekstern lenke)
• Baker, Andrew C.; Lunde, Per (1999). “Effects of deposits on the performance of ultrasonic gas transducers”. (ekstern lenke)
• Furset, Hilde; Lunde, Per; Vestrheim, Magne et al. (1999). “Investigation of acoustic properties in wet gas for ultrasonic flowmetering”. (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (1999). “Comparison of simulation models for ultrasonic propagation in wet gas”. (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (1999). "FE simulations of piezoceramic disks with a front layer of varying thickness". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Fossdal, Jon B. et al. (1999). "Functional enhancements within ultrasonic gas flow measurement". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne et al. (1998). “Piezoelectric disks with a front layer. Comparisons of FEM with experimental data”. (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (1997). "FEM analysis of piezoelectric disks - Method and testing". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (1997). "Influence of piezoelectric transducer response on transit time determination using cross-correlation of chirp signals". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per; Sakariassen, Reidar et al. (1996). "Operation of multipath ultrasonic gas flow meters in noisy environments". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1995). "Modelling of loss effects in piezoceramic materials, and adaptation to measurements on radial and thickness modes in thin disks". (ekstern lenke)
• Lunde, Per (1995). "Radial modes in thick, circular, isotropic and piezoceramic disks". (ekstern lenke)
• Lunde, Per (1994). "On the modelling of causal wave propagation in viscoelastic solids". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1994). "Comparison of models for radial and thickness modes in piezoceramic disks". (ekstern lenke)
• Lunde, Per (1993). "On the modelling of wave propagation in piezoelectric ceramic transducers". (ekstern lenke)
• Lunde, Per; Helle, Hans B.; Pajchel, J. (1992). "Comparison of full-wave and ray-tracing synthetic seismograms with emphasis on thin-layer resolution". (ekstern lenke)
• Lunde, Per; Helle, Hans B.; Pajchel, Jan (1992). "A comparison of full-wave and ray-tracing seismograms with emphasis on thin-layer resolution". (ekstern lenke)
• Lunde, Per (1991). "Interference effects in sound fields transmitted at fluid-fluid and fluid-solid interfaces". (ekstern lenke)
• Hanyga, Andrzej; Helle, Hans B.; Lunde, Per et al. (1991). "Seismic wave simulation in exploration and production". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar (1990). "Aspects of transducer modelling". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Lygre, Asle (1989). "Ultrasonic pulse propagation in stratified multiphase media". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1989). "The interaction of seismic waves with shallow gas structures". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1989). "Pulse generation using a parametric source". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per; Meldahl, Paul (1988). "High resolution shallow seismic surveying using parametric acoustic source technology". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1988). "Signalbehandling i parametriske antenner". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1988). "Full wave simulation of multilayer reflection coefficients in shallow seismics". (ekstern lenke)
• Lygre, Asle; Vestrheim, Magne; Lunde, Per et al. (1988). "Numerical simulation of ultrasonic flowmeters". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1988). "Parametrisk lydkilde. Optimalisering". (ekstern lenke)
• Lunde, Per (1988). "Årsaker til heliumtaleforvrenging". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1987). "Utvikling av akustiske transdusere for gass-strømmåling". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1987). "Full bølgje FFP simulering for seismisk gasslommedeteksjon". (ekstern lenke)
• Lunde, Per; Meldahl, Paul; Vestrheim, Magne (1987). "Full wave elastic modelling for seismic detection of shallow gas". (ekstern lenke)
• Lygre, Asle; Vestrheim, Magne; Lunde, Per et al. (1987). "Numerical simulation of ultrasonic flowmeters". (ekstern lenke)
• Lunde, Per (1987). "FFP-modelling of seismic / elastic waves in horizontally stratified geologies". (ekstern lenke)
• Lunde, Per (1987). "Modelling of acoustic transducers". (ekstern lenke)
• Berge, Viktor; Lygre, Asle; Lunde, Per et al. (1987). "Simuleringsverktøy for ultralyd væske og gasstrømningsmåling". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1987). "Simulering av full-bølge lydforplantning i marin seismikk". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1986). "Tredimensjonal FFP modellering av elastiske bølgjer i horisontalt stratifiserte media". (ekstern lenke)
• Lunde, Per (1986). "The influence of diving masks on the formant spectrum of normal speech and helium speech". (ekstern lenke)
• Lunde, Per (1985). "Acoustic transmission line analysis of formants in hyperbaric helium speech". (ekstern lenke)
• Lunde, Per (1984). "Formantanalyse av hyperbar heliumtale". (ekstern lenke)
• Lunde, Per (1984). "Unscrambling of speech in a hyperbaric helium oxygen atmosphere". (ekstern lenke)
• Lunde, Per; Dalland, Kjell Inge (1984). "Det matematiske og fysiske grunnlaget for datamaskinell taleprosessering". (ekstern lenke)

Faglig foredrag

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

Doktorgradsavhandling

• Papathanasiou, Panagiotis; Lunde, Per; Bezdek, Michal et al. (2023). A hybrid numerical method for 3D multiphysics modeling of ultrasonic transit-time flowmeters, including sound propagation in real pipe flows. PhD Thesis.. (ekstern lenke)
• Sæther, Mathias; Lunde, Per; Ersland, Geir (2018). Elastic wave velocities and attenuation under methane hydrate growth in Bentheim sandstone - Measurements and modelling. PhD Thesis. (ekstern lenke)
• Storheim, Espen; Lunde, Per; Vestrheim, Magne (2015). Diffraction effects in the ultrasonic field of transmitting and receiving circular piezoceramic disks in radial mode vibration. FE modelling and comparison with measurements in air. (ekstern lenke)
• Eldevik, Simen; Lunde, Per (2014). Measurement of non-linear acoustoelastic effect in steel using acoustic resonance (PhD thesis). (ekstern lenke)
• Aanes, Magne; Lunde, Per; Vestrheim, Magne (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)
• Norli, Petter; Vestrheim, Magne; Lunde, Per (2007). "Sound velocity cell for gas characterization" (PhD thesis). (ekstern lenke)
• Pedersen, Audun; Vestrheim, Magne; Lunde, Per (2006). "Effects of nonlinear sound propagation in fisheries research" (PhD thesis). (ekstern lenke)
• Kocbach, Jan; Lunde, Per; Vestrheim, Magne (2000). Finite Element Modeling of Ultrasonic Piezoelectric Transducers. Influence of geometry and material parameters on vibration, response functions and radiated field. (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Kocbach, Jan Martin (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)
• Lunde, Per (1987). Analysis and unscrambling of hyperbaric helium speech. (ekstern lenke)
• Lunde, Per (1986). "Analysis and unscrambling of hyperbaric helium speech. Part I and II" (Dr. Philos. thesis). (ekstern lenke)

Mastergradsoppgave

• Fjellheim, Mats Johan; Lunde, Per; Kocbach, Jan Martin et al. (2023). Defect detection and acoustic penetration of grout in offshore structures. Master thesis.. (ekstern lenke)
• Løland, Robert; Lunde, Per; Pedersen, Audun Oppedal et al. (2023). Triangulation method for measurement of fisheries echosounder two-way equivalent beam solid angle, 𝜓. Master thesis.. (ekstern lenke)
• Økland, Håvard Råheim; Lunde, Per; Sæther, Mathias Myrtveit et al. (2023). Finite element modelling, construction and experimental characterization of piezoelectric transducers for gas. Master thesis. (ekstern lenke)
• Isaksen, Irene Dahl; Lunde, Per; Sæther, Mathias Myrtveit et al. (2023). Normally incident ultrasonic beam transmission through a water-embedded steel plate as a function of ka-number. Master thesis.. (ekstern lenke)
• Fosse, Espen; Lunde, Per; Sæther, Mathias Myrtveit et al. (2022). Finite element modeling and experimental characterization of piezoelectric ceramic disk in air. Master thesis. (ekstern lenke)
• Kristensen, Joachim Gjesdal; Lunde, Per; Rommetveit, Tarjei (2022). Measurement cell for sound speed in liquids: The 3-way pulse method. Master thesis. (ekstern lenke)
• Prøytz, Celine; Lunde, Per; Sæther, Mathias Myrtveit et al. (2022). Underwater ultrasonic transducer technology. Construction, characterization and finite-element modelling. Master thesis. (ekstern lenke)
• Benus, Hannah Dyveke Skogheim; Lunde, Per; Rommetveit, Tarjei (2022). Measurement cell for sound speed in liquids: Pulse-echo buffer rod method. Master thesis. (ekstern lenke)
• Veim, Miranda Ruth; Lunde, Per; Forland, Tonje Nesse et al. (2022). Simulation-based methods of sphere selection for calibration of broadband echosounders in fisheries acoustics. Master thesis. (ekstern lenke)
• Trætteberg, Philip; Lunde, Per; Sæther, Mathias Myrtveit 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)
• Rong, Maren F.; Lunde, Per; Forland, Tonje Nesse 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)
• Isabel, Berg; Lunde, Per; Svensson, U. Peter (2021). Uncertainty estimation in sound scattering measurements within an anechoic chamber. Master thesis. (ekstern lenke)
• Finstad, Sverre Kongsro; Lunde, Per; Sæther, Mathias Myrtveit 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)
• Larsen, Erik; Lunde, Per; Johansen, Tor Arne (2020). "Scholte waves in seabed mapping". Master thesis. (ekstern lenke)
• Pedersen, Haiwa; Lunde, Per; Korneliussen, Rolf et al. (2020). Måling av ekvivalent åpningsvinkel for et 38 kHz fiskeriekkolodd. Kalibrering av ekkolodd ved bruk av flere svingere. Master thesis. (ekstern lenke)
• Ravndal, Ivar; Lunde, Per; Vestrheim, Magne (2020). Normal incidence ultrasonic beam transmission through steel plates. Measuring and modelling the transmission coefficient. Master thesis. (ekstern lenke)
• Eileraas, Magnus Hammervold; Lunde, Per; Vestrheim, Magne (2019). Lydhastighetsmålinger med og uten resonanseffekter i en viskoelastisk stålplate i vann. Master thesis. (ekstern lenke)
• Grindheim, Renate; Lunde, Per; Vestrheim, Magne (2019). Ultrasonic measurement system for gas. Experimental and theoretical characterization using piezoelectric elements at radial mode vibration in air. Master thesis. (ekstern lenke)
• Kvist, Adrian; Lunde, Per; Mjølsnes, Svein (2019). "Tid-frekvens-analyse av støy fra kaviterende skipspropeller". Master thesis. (ekstern lenke)
• Øygard, Sigrid Husebø; Lunde, Per; Pedersen, Geir (2018). Simulations of acoustic transmission loss of Fin whale calls reaching the LoVe Ocean Observatory. Master thesis. (ekstern lenke)
• Midtbø, Simen Hammervold; Lunde, Per; Vestrheim, Magne et al. (2018). Beam diffraction effects in guided-wave transmission of fluid embedded elastic plate. Influence of receiver distance and finite aperture. Master thesis. (ekstern lenke)
• Hagen, Andreas; Lunde, Per; Vestrheim, Magne (2017). Ultrasonic measurement systems with diffraction correction for gas: Master thesis. (ekstern lenke)
• Søvik, Andre Adelsten; Lunde, Per; Vestrheim, Magne (2015). Ultrasonic measurement systems for gas. Finite element modelling compared with measurements in air. Master thesis. (ekstern lenke)
• Andersen, Kenneth Kirkeng; Lunde, Per; Vestrheim, Magne et al. (2015). Reciprocity calibration of ultrasonic piezoelectric disks in air. Master thesis. (ekstern lenke)
• Dias, António Alexandre Fraga; Lunde, Per (2013). Construction, modeling and characterization of a piezoelectric ultrasonic and underwater transducer. (Master thesis). (ekstern lenke)
• Mosland, Eivind; Vestrheim, Magne; Lunde, Per et al. (2013). Reciprocity calibration method for ultrasonic piezoelectric transducers in air. (Master thesis). (ekstern lenke)
• Hauge, Rune; Lunde, Per; Vestrheim, Magne et al. (2013). Finite element modeling of ultrasound measurement systems for gas. Comparison with experiments in air. (Master thesis). (ekstern lenke)
• Vatnehol, Sindre Nordlund; Lunde, Per; Ona, Egil (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)
• Fosså, Henrik; Lunde, Per; Matre, Knut (2011). Ultrasound phantom for myocardium. (Master thesis). (ekstern lenke)
• Solberg, Marianne; Lunde, Per; Frøysa, Kjell-Eivind (2009). "Absolute sound velocity measurements in liquid using the three-way pulse method" (Master thesis). (ekstern lenke)
• Lohne, Kjetil Daae; Vestrheim, Magne; Lunde, Per (2005). "Undersøkelse og utnyttelse av svingemoder i ultralyd tranduserkonstruksjon" (Master thesis). (ekstern lenke)
• Kocbach, Jan M.; Vestrheim, Magne; Lunde, Per (1997). "Endelig element modellering av piezoelektriske skiver" (Cand. Scient. thesis). (ekstern lenke)
• Bjørndal, Erlend; Vestrheim, Magne; Lunde, Per (1994). "Utnyttelse av resonansmodi i ultralyd transduserkonstruksjonar" (Cand. Scient. thesis). (ekstern lenke)
• Jordal, Lars; Hammer, Erling A.; Lunde, Per (1991). "Modellering av piezoelektriske krystallers vibrasjonsmoder basert på admittansmåling" (Cand. Scient. Thesis). (ekstern lenke)
• Lunde, Per (1982). "Om parabolsk modell i ikkje-lineær akustikk" (Cand. Real. thesis). (ekstern lenke)

Vitenskapelig Kapittel/Artikkel/Konferanseartikkel

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

Rapport

• Carson, Siri Granum; Haugsbø, Elisabet; Ludvigsen, Martin 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)
• Frøysa, Kjell-Eivind; Lunde, Per; Lied, Gaute Øverås (2015). Handbook of uncertainty calculations for ultrasonic oil flow metering stations. Documentation of uncertainty models and internet tool. (ekstern lenke)
• Lunde, Per; Korneliussen, Rolf (2014). A unifying theory explaining different power budget formulations used in modern scientific echosounders for fish abundance estimation. (ekstern lenke)
• Lunde, Per; Pedersen, Audun Oppedal; Korneliussen, Rolf et al. (2013). Power-budget and echo-integrator equations for fish abundance estimation. (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind (2010). "Ormen Lange ultrasonic gas flow meters. A study for establishment of corrections for pressure and temperature effects. Phase 2". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Kippersund, Remi andré et al. (2008). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Knappskog, Vidar; Lunde, Per; Kippersund, Remi andré (2008). "Fluenta FGM 130 piezoelectric ultrasonic transducers. Finite element simulations using FEMP". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne 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)
• Lunde, Per; Frøysa, Kjell-Eivind (2007). "Ormen Lange ultrasonic gas flow meters. A study for establishment of corrections for pressure and temperature effects". (ekstern lenke)
• Hallanger, Anders; Frøysa, Kjell-Eivind; Lunde, Per (2007). "Fiscal measurement of oil with high water fraction. Phase 1: Sensitivity study for a turbine meter based fiscal metering station". (ekstern lenke)
• Kippersund, Remi andré; Lunde, Per (2007). "INDSURF project. Dual frequency gas transducer. Preliminary FEMP simulations". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Kippersund, Remi andré et al. (2007). "INDSURF project. 3D finite element simulations for a dual frequency band piezocomposite transducer using FEMP". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (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)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne et al. (2006). "Finite element modelling of ultrasonic piezoelectric transducers. Extension of FEMP to 3D analysis". (ekstern lenke)
• Lunde, Per; Dahl, Eivind O.; Halvorsen, Einar (2006). "National strategy for R&D on oil and gas flow measurement technology. A comparison of Norwegian and UK funding systems". (ekstern lenke)
• Lunde, Per; Kippersund, Remi andré; Heggstad, Stig et al. (2004). "Multipath ultrasonic liquid flow meter. Ultrasonic transducers for prototype light oil flow meter (Phase 2A). Production procedures". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne et al. (2004). "Ultrasonic technology for improved exploitation of petroleum resources. A Strategic Institute Programme (SIP). Status Report 2003". (ekstern lenke)
• Baker, Andrew C.; Lunde, Per (2002). "Nonlinear effects in sound propagation from echo-sounders used in fish abundance estimation. Numerical simulation results". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2002). "Multipath ultrasonic liquid flow meter. Integration method for the 6-path prototype. Basis for implementation". (ekstern lenke)
• Baker, Andrew C.; Lunde, Per (2001). "Nonlinear propagation from circular echo-sounder transducers. Numerical simulation results". (ekstern lenke)
• Hallanger, Anders; Lunde, Per (2001). "Sluttrapport. SIP - Gassteknologi 1997-2000". (ekstern lenke)
• Lunde, Per (2001). "Wet gas flow metering using multipath transit time flow meters. Sensitivity study". (ekstern lenke)
• Baker, Andrew C.; Andersen, Morten I.; Frøysa, Kjell-Eivind et al. (2001). "Ultrasound transmission in wet gas. Scattering from mist droplets and measurement of pipe wall film thickness". (ekstern lenke)
• Baker, Andrew C.; Andersen, Morten I.; Lunde, Per (2001). "Ultrasound transmission in wet gas. Transducer technology". (ekstern lenke)
• Baker, Andrew C.; Frøysa, Kjell-Eivind; Furset, Hilde et al. (2001). "Ultrasound transmission in wet gas. Effects of liquid mist and transducer deposits on sound speed and attenuation". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2001). "MPU 600 3-stråle USM. Integrasjonsmetodar for fleirstråle ultralyd strøymingsmåling i våtgass. Teoretisk studie". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (2000). "Tables of resonance frequencies for disks of PZT-5A, PZT-5H, Pb(ZrTi)O3 and PbTiO3". (ekstern lenke)
• Kocbach, Jan M.; Lunde, Per; Vestrheim, Magne (1999). "FEMP - Finite element modeling of piezoelectric structures. Theory and verification for piezoceramic disks". (ekstern lenke)
• Lunde, Per; Bø, Reidar; Andersen, Morten I. 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)
• Andersen, Morten I.; Lunde, Per; Gaeta, Michel (1999). “EUCLID RTP 10.8: Smart Sonar Array. Wet-end demonstrator. User’s Manual”. (ekstern lenke)
• Andersen, Morten I.; Lunde, Per; Gaeta, Michel (1999). “EUCLID RTP 10.8: Smart Sonar Array. Wet-end demonstrator. Test report”. (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (1998). ”VESUM - Version 1.0. Uncertainty model for velocity of sound measurements for the 6-path FMU 700 ultrasonic gas flow meter". (ekstern lenke)
• Frøysa, Kjell-Eivind; Hallanger, Anders; Lunde, Per (1998). “K-factor of the Fluenta FGM 100 flare gas meter for the "Laminaria and Corallina development" project”. (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1998). “Precision sound velocity cell for natural gas at high pressures. Phase 1 - Feasibility study”. (ekstern lenke)
• Frøysa, Kjell-Eivind; Hallanger, Anders; Lunde, Per (1998). “K-factor of the Fluenta FGM 100 flare gas meter for the "Valhall/Hod modification" project”. (ekstern lenke)
• Lunde, Per; Andersen, Morten I.; Vestrheim, Magne (1997). "EUCLID RTP 10.8 - Smart sonar array. Piezoelectric buzzer for a self calibrating hydrophone system. Work specifications - Rev. 1". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne (1997). "GARUSO - Version 1.0. Uncertainty model for multipath ultrasonic transit time gas flow meters". (ekstern lenke)
• Isaksen, Øyvind; Lunde, Per; Frøysa, Kjell-Eivind et al. (1997). "On-line overvåking av olje- og gassprosesser. Vedlegg til NFR sluttrapport (NFR/100986/420)". (ekstern lenke)
• Lunde, Per; Andersen, Morten I.; Vestrheim, Magne (1997). "EUCLID RTP 10.8 - Smart sonar array. Piezoelectric buzzer for a self calibrating hydrophone system. Work specifications - Rev. 2". (ekstern lenke)
• Lygre, Asle; Lunde, Per; Isaksen, Øyvind (1997). "Wet gas metering. Flow conditions and metering techniques". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Nesse, Øyvind et al. (1996). "Wet gas flow metering. Ultrasonic transit time methods. Basic studies. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• Lunde, Per; Frøysa, Kjell-Eivind; Vestrheim, Magne (1995). "FMUSIK - Version 1.0. Uncertainty model for the 6-path FMU 700 ultrasonic gas flow meter". (ekstern lenke)
• Lunde, Per (1995). "FMU 700 - Fiskal måler ultralyd. Akustiske transdusere, Serie 03". (ekstern lenke)
• Lunde, Per; Nesse, Øyvind (1995). "Wet gas measurement. Ultrasonic transducer for thickness measurement of liquid film. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• Lygre, Asle; Lunde, Per; Frøysa, Kjell-Eivind (1995). "Present status and future research on multi-path ultrasonic gas flow meters". GERG Technical Monograph, TM-8. (ekstern lenke)
• Lygre, Asle; Lunde, Per; Frøysa, Kjell-Eivind (1995). "GERG Project on ultrasonic flow meters". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (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)
• Lunde, Per (1994). "Piezoelectric transducer modelling. Radial and thickness modes in poled ferroelectric ceramic disks". (ekstern lenke)
• Lygre, Asle; Hilland, Jannicke; Frøysa, Kjell-Eivind et al. (1994). "Plandokument 1994. TOP - Strategisk teknologiprogram. Online monitoring of oil and gas processes". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar et al. (1993). "FMU 700 - Fiskal måler ultralyd. Akustiske transdusere". (ekstern lenke)
• Lygre, Asle; Ingebrigtsen, Hans; Bø, Reidar et al. (1993). "FMU 700 - Fiskal måler ultralyd. Konstruksjonsunderlag". (ekstern lenke)
• Nesse, Øyvind; Lunde, Per (1993). "Separator instrumentation. Preliminary study of ultrasonic interface detection through a separator steel wall. TOP - Online monitoring of oil and gas processes". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1992). "FGM 100 fakkelgasssmålar. Verknad av gassparametrar på ultralyd signaltransmisjon". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1991). "Piezoelectric transducer modelling. Thickness mode vibration". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1991). "Piezoelectric transducer modelling. Part 1: Basic equations for poled ferroelectric ceramics". (ekstern lenke)
• Lunde, Per (1991). "Modellering av seismisk respons i samband med tynn-lags-problematikk i Nordsjøen. Del II". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne; Bø, Reidar et al. (1991). "Presisjons ultralyd gass-strømningsmåler. Del 2 - Utvikling og konstruksjon. Design av akustiske transdusere i en flerstråle ultralyd gasstrømningsmåler. Arbeidsrapport nr. 2. Vol. I og II". (ekstern lenke)
• Lunde, Per (1990). "Modellering av seismisk respons i samband med tynn-lags-problematikk i Nordsjøen. Bruk av fullbølgjemodellen CAPROS". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1990). "Shallow seismics using parametric acoustic sources". (ekstern lenke)
• Vestrheim, Magne; Bø, Reidar; Lunde, Per et al. (1990). "Aluminium elektrolysecelle. Ultralydmåling av sjikttykkelser. Akustisk transmisjon i flytende kryolitt". (ekstern lenke)
• Lygre, Asle; Lunde, Per (1990). "FGM 100 transdusere - Vurdering av direktivitet. Arbeidsnotat". (ekstern lenke)
• Lunde, Per (1989). "CAPROS version 2.0. Full wave elastic modelling for shallow gas identification". (ekstern lenke)
• Vestrheim, Magne; Bø, Reidar; Lunde, Per et al. (1989). "Aluminium elektrolysecelle. Ultralydmålinger av sjikttykkelser. Forprosjekt". (ekstern lenke)
• Jakobsen, J.; Palmstrøm, Robert; Lunde, Per et al. (1989). "Permanent multilayer well monitoring. A study of a down-hole instrumentation system for oil and gas production wells". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (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)
• Vestrheim, Magne; Lunde, Per (1989). "Shallow gas detection with a parametric seismic source. Phase 1: Feasibility study. Part 2: Technological basis for realization". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (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)
• Lunde, Per; Vestrheim, Magne (1988). "Full wave simulation of multilayer reflection coefficients in shallow seismics" (Expanded version of paper given at XI Scandinavian Cooperation Meeting in Acoustics / Hydrodynamics, Ustaoset, January 31 - February 3, 1988). (ekstern lenke)
• Lygre, Asle; Lunde, Per; Bø, Reidar et al. (1988). "High precision ultrasonic flowmeter. Sensitivity study. Volume II". (ekstern lenke)
• Vestrheim, Magne; Lunde, Per (1988). "Shallow gas detection with a parametric seismic source. Phase I: Feasibility study. Part 1". (ekstern lenke)
• Lygre, Asle; Lunde, Per; Bø, Reidar et al. (1988). "High precision ultrasonic flowmeter. Sensitivity study. Volume I". (ekstern lenke)
• Lunde, Per; Meldahl, Paul; Vestrheim, Magne (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)
• Vestrheim, Magne; Lygre, Asle; Bø, Reidar et al. (1986). "High precision ultrasonic gas flowmeters. Feasibility study". (ekstern lenke)
• Lunde, Per (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)
• Lunde, Per; Vestrheim, Magne (1986). "Simuleringsprogrammet CAPROS Versjon 1.0. Programvaredokumentasjon". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1986). "Simuleringsprogrammet CAPROS Versjon 1.0. Brukarinstruksjon". (ekstern lenke)
• Lunde, Per; Vestrheim, Magne (1986). "Lydforplantning fra seismisk kildearray. Simuleringsmodellen CAPROS". (ekstern lenke)
• Lunde, Per (1985). "Helium speech unscrambling". (ekstern lenke)
• Lundblad, Jan Åke; Dalland, Kjell Inge; Andersen, Knut et al. (1985). "OTP diver communication project Obtained results and further development". (ekstern lenke)
• Andersen, Knut; Dalland, Kjell Inge; Lunde, Per (1983). "Communication evaluation during a 350 msw operational dive". (ekstern lenke)
• Lunde, Per (1983). "Software documentation of the NUTEC experimental unscrambler". (ekstern lenke)

Intervju

• Lunde, Ådne; Lunde, Per; Graves, Inger (2020). Forskarar i Bergen vil bli først med trådlaust internett under vatn. (ekstern lenke)
• Ådnanes, Jens Helleland; Lunde, Per (2020). Slik vil de lage et smartere hav. (ekstern lenke)

Poster

• Eldevik, Simen; Prieur, Fabrice Jean Gabriel; Lunde, Per (2013). Measuring stress-state of gas pipelines (Poster presentation). (ekstern lenke)
• Storheim, Espen; Lunde, Per; Vestrheim, Magne (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)
• Bjelland, Cato; Lunde, Per; Kippersund, Remi andré (2005). "Making downhole sensors available at high temperatures". (ekstern lenke)
• Pedersen, Audun Oppedal; Vestrheim, Magne; Lunde, Per (2005). Ikkelineær lydforplantning ved bruk av ekkolodd i firskeriforvaltning. (ekstern lenke)
• Norli, Petter; Lunde, Per; Vestrheim, Magne (2005). "Investigation of precision sound velocity measurement methods as reference for ultrasonic gas flow meters". (ekstern lenke)
• Frøysa, Kjell-Eivind; Lunde, Per (2005). "Integration methods in ultrasonic flow meters for gas and liquid". (ekstern lenke)

Fagartikkel

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

Fagbok

• Dahl, Eivind O.; Frøysa, Kjell-Eivind; Lunde, Per (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 monografi

• Lunde, Per; Frøysa, Kjell-Eivind (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)

Vitenskapelig antologi/Konferanseserie

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

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