Dr John Rombulow Pearse

Phone: +64 3 364 2987 ext. 7383
Office: Mechanical Engineering E505

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Fields of Research

• Acoustics
• Aero acoustics
• Automotive acoustics
• Building acoustics
• Duct acoustics
• Hearing protection
• Noise control
• Sound absorption
• Sound transmission
• Vibration measurements and analysis

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Researcher Summary

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Subject Area: Disciplines

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Research Groups

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Future Research

• Sound absorption
• Sound transmission through composite panels
• Sound transmission through walls and panels
• Noise generated by aerofoils
• Duct acoustics

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Key Methodologies

• LMS Virtual.lab Acoustics
• Measurement of noise
• Prediction of sound absorption
• Prediction of sound transmission
• Sound level analysers
• SoundPlan

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Affiliations

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Publications

• Mahn, J. and Pearse, J. (2012) Revising the EN12354 method of calculating the flanking sound reduction index of lightweight building elements. Hong Kong: Acoustics 2012, 13-18 May 2012. In Journal of the Acoustical Society of America 131(4) 3319. http://dx.doi.org/10.1121/1.4708417. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2012) The propagated uncertainty of the calculated sound reduction index. New York, NY, United States: Inter-Noise 2012, 19-22 Aug 2012. 1896-1905. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2012) The uncertainty of the proposed single number ratings for airborne sound insulation. Building Acoustics 19(3): 145-172. http://dx.doi.org/10.1260/1351-010X.19.3.145. (Journal Article)

• Mahn, J. and Pearse, J. (2011) Assessment of the noise emission of sheep shearing systems. Noise Control Engineering Journal 59(1): 87-93. http://dx.doi.org/10.3397/1.3519641. (Journal Article)

• Verstappen, A. and Pearse, J. (2011) Evaluation of viscoelastic vibration damping properties with a Dynamic Mechanical Analyser. Rio de Janiero, Brazil: 8th International Congress on Sound and Vibration (ICSV 18), 10-14 Jul 2011. (Conference Contribution - Paper in published proceedings)

• Mahn, J., Davy, J.L. and Pearse, J. (2011) The Acoustic Requirements of Dwellings in New Zealand. Aalborg, Denmark: Forum Acusticum, 26 Jun-1 Jul 2011. In Acta acustica united with Acustica 97(1) (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2011) The noise emission of sheep shearing systems. Journal of Health, Safety and Environment 27(1): 53-61. (Journal Article)

• Mahn, J. and Pearse, J. (2011) The sound insulation of lightweight roofing systems. Osaka, Japan: inter-noise 2011, 4-7 Sep 2011. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2010) Evaluation of the EN12354 Method through Field Testing Using Sound Intensity. Lisbon, Portugal: 39th International Congress and Exposition on Noise Control Engineering (Inter-noise 2010), 13-16 Jun 2010. In InterNoise Proceedings 221 6396-6405. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2010) Evaluation of the Noise from Sheep Shearing Systems. Cairo, Egypt: 17th International Congress on Sound & Vibration (ICSV17), 18-22 Jul 2010. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2010) Evaluation of the sound insulation of roofing systems. Sydney, Australia: 20th International Congress on Acoustics (ICA2010), 23-27 Aug 2010. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2009) On the Uncertainty of the EN12354-1 Estimate of the Flanking Sound Reduction Index Due to the Uncertainty of the Input Data. Building Acoustics 16(3): 199-231. http://dx.doi.org/10.1260/135101009789877059. (Journal Article)

• Mahn, J. and Pearse, J. (2009) The Propagated Uncertainty of EN12354-1 for Lightweight Constructions. Ottawa, Canada: 38th International Congress and Exposition on Noise Control Engineering (Inter-Noise 2009), 23-26 Aug 2009. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2008) On the Probability Density Functions of the Terms Described by the EN12354 Prediction Method. Building Acoustics 15(4): 263-287. http://dx.doi.org/10.1260/135101008786939991. (Journal Article)

• Mahn, J. and Pearse, J. (2008) Reciprocity and the Prediction of the Apparent Sound Reduction Index for Lightweight Structures According to EN12354. Paris, France: Acoustics'08 (incorporating ECUA and Euronoise), 29 Jun-4 Jul 2008. In Proceedings of Acoutics'08 3047-3051. http://dx.doi.org/10.1121/1.2933942. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2008) Separation of Resonant and Non-Resonant Components-Part I: Sound Reduction Index. Building Acoustics 15(2): 95-115. http://dx.doi.org/10.1260/135101008785082489. (Journal Article)

• Trevathan, J.W. and Pearse, J.R. (2008) The effect of workmanship on the transmission of airborne sound through light framed walls. Applied Acoustics 69(2): 127-131. http://dx.doi.org/10.1016/j.apacoust.2006.09.001. (Journal Article)

• Mahn, J. and Pearse, J. (2008) The Probability Density Functions and The Uncertainty of the EN12354 Prediction Method. Shanghai, China: Inter-Noise 2008, 26-29 Oct 2008. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2008) Uncertainty in the Measurement of the Vibration Reduction Index of Lightweight Structures. Daejeon, Korea: 15th International Congress on Sound and Vibrations (15th ICSV), 6-10 Jul 2008. (Conference Contribution - Paper in published proceedings)

• Mahn, J. and Pearse, J. (2008) Uncertainty of the Direction-Averaged Velocity Level Difference. Daejeon, Korea: 15th International Conference on Sound and Vibration, 6-10 Jul 2008. (Conference Contribution - Full conference paper)