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Dr. John Kennedy

Assistant Professor (Mechanical, Manuf & Biomedical Eng)

Dr. John Kennedy is Assistant Professor in Vibrations, Acoustics and Dynamics at Trinity College Dublin. His research career began on the aero-acoustics of jets with mixing enhancing features. Since then he has gone on to work on a range of aero-acoustic problems in transport applications. His research has applied advanced correlation and spectral analysis techniques to experimental data of turbulence (LDV, X-hotwire and high speed PIV) and included advanced beamforming and partial coherence techniques for source localisation using microphone array data. He has also engaged in interdisciplinary research with psychologists from the University of Bath and the University of Aberystwyth into the influence of noise exposure on human performance in transport applications including hazard detection, risk perception and annoyance. He has been the scientific coordinator and lead technical manager of the Clean Sky projects WENEMOR, ALLEGRA and ARTIC. His responsibilities on these projects included the conduct of Preliminary and Critical Design Reviews, test planning and supervision of the wind tunnel test campaigns. He was also the lead research for all scientific deliverables on these projects. He is the Irish coordinator for the industrially focused Institute of Acoustics' Diploma in Acoustics and Noise Control. He has acted as a reviewer for a number in high profile journals in aero-acoustics including the Journal of Sound and Vibration, the Journal of the Acoustical Society of America, Acta Acoustica and the International Journal of Aeroacoustics. His work in transport aero-acoustics has led to press releases by the Acoustical Society of America and the American Institute of Physics. He is currently the Principle Investigator on the European H2020 AERIALIST project investigating how the latest additive manufacturing technologies can be used to produce novel metamaterials for the control of aircraft noise.
  ACOUSTICS   Aerodynamics   Aeronautics   Air Transport Technology   Applied thermodynamics and energy   Computational Fluid Dynamics   Environmental aspects of transportation   Fluid Dynamics   Fluid Mechanics   Fluids and vibration   Manufacturing engineering   Mechanical Engineering   Noise pollution, technology   Signal processing   Sound Engineering   Transport psychology and safety   Turbomachinery   Turbulence   Vibration and Accoustic Engineering   Wind Tunnels
 Advanced acoustic metamaterials for noise reduction, optimised for additive manufacturing technologies

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Details Date
Scientific Committee of the 21st Workshop of the Aeroacoustics Specialists Committee of the Council of European Aerospace Societies 2017
Scientific Committee of the 23rd Workshop of the Aeroacoustics Specialists Committee of the Council of European Aerospace Societies 2019
Scientific Committee of the 45th International JVE (Journal of Vibroengineering) Conference 2020
Details Date From Date To
Member of the Institute of Acoustics (MIOA) - The Institute of Acoustics is the UK's professional body for those working in acoustics, noise and vibration. It was formed in 1974 and is a nominated body of the Engineering Council, offering registration at Chartered and Incorporated Engineer levels. The range of interests of members embraces aspects such as aerodynamics, architectural acoustics, building acoustics, electroacoustics, engineering dynamics, noise and vibration, hearing, speech, underwater acoustics, together with a variety of environmental aspects.
H.J.Rice J.Kennedy P.Göransson L.Dowling D.Trimble, Design of a Kelvin cell acoustic metamaterial, Journal of Sound and Vibration, 472, (115167), 2020, Journal Article, PUBLISHED  TARA - Full Text  DOI
Dowling L., Kennedy J., O'Shaughnessy S., Trimble D., A review of critical repeatability and reproducibility issues in powder bed fusion, Materials and Design, 186, 2020, Journal Article, PUBLISHED  DOI
Roberto Merino-Martínez, Eleonora Neri, Mirjam Snellen, John Kennedy, Dick G. Simons and Gareth J. Bennett, Multi-Approach Study of Nose Landing Gear Noise, Journal of Aircraft , 57, (3), 2020, p517 - 533, Notes: [Published Online: 27 Jan 2020], Journal Article, PUBLISHED  DOI  URL
Kennedy John, Dowling Luke, Flanagan Lara, Rice Henry, Trimble Daniel, The influence of additive manufacturing strategies on the performance of acoustic metamaterials , 9th EASN International Conference on Innovation in Aviation and Space , 2019, 2019, Conference Paper, PUBLISHED
Faulkner Jon Paul, Cassidy Matthew, Murphy Enda, Kennedy John, Rice Henry, Validation of Acceleration and Deceleration in proximity to Junctions under CNOSSOS-EU , Irish Transport Research Network Conference , 2019, 2019, Conference Paper, PUBLISHED
Jennings, Simon; Kennedy, John, Detection and Evaluation of Amplitude Modulation From a Wind Energy Development, Ireland, Acta Acustica united with Acustica, Volume 105, (Number 6), 2019, p1042 - 1052, Notes: [], Journal Article, PUBLISHED
Kennedy, J., L., Flanagan, Dowling, L., Rice, H., Trimble, D., , The influence of additive manufacturing processes on the performance of a periodic acoustic metamaterial, International Journal of Polymer Science, Volume 2019, (Article ID 7029143), 2019, Journal Article, PUBLISHED  TARA - Full Text  URL
John Kennedy, Lara Flanagan, Luke Dowling, Gareth J. Bennett, Henry Rice, and Daniel Trimble, The Influence of Additive Manufacturing Processes on the Performance of a Periodic Acoustic Metamaterial, International Journal of Polymer Science, 2019, 2019, p1-11 , Journal Article, PUBLISHED  TARA - Full Text  URL
Kun Zhao, Patrick Okolo, Eleonora Neri, Peng Chen, John Kennedy, Gareth J. Bennett, Noise reduction technologies for aircraft landing gear-A bibliographic review, Progress in Aerospace Sciences, 112, 2019, p100589 , Journal Article, PUBLISHED  DOI  URL
Patrick N Okolo, Kun Zhao, John Kennedy, Gareth J Bennett, Numerical assessment of flow control capabilities of three dimensional woven wire mesh screens, European Journal of Mechanics - B/Fluids, 76, 2019, p259-271 , Journal Article, PUBLISHED  URL

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John Kennedy, Turbulence and Noise, Faculty of Engineering, University of Bristol, February, 2018, Professor Mahdi Azarpeyvand, Invited Talk, PUBLISHED
Kennedy, J., Holt, N., Walker, I., The influence of sound on the safety of vulnerable road users, SWOV Institute for Road Safety Research, 2011, Invited Talk, PUBLISHED