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Dr. John Kennedy

Assistant Professor (Mechanical, Manuf & Biomedical Eng)
PARSONS BUILDING


Dr. John Kennedy is Assistant Professor in Vibrations, Acoustics and Dynamics at Trinity College Dublin. His research career focuses aero-acoustic problems and the development of novel noise control technologies. 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 current research focuses on the how the latest additive manufacturing technologies can be used to produce novel metamaterials for the control of aircraft noise, including optimised design strategies using deep learning. He leads a research group of 3 PhD students and 2 Postdoctoral researchers and is co-lead in the Fluids, Vibrations and Acoustics research group. 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 secured over EUR 2 million in research funding, including over EUR 1 million focusing on the design and additive manufacture of metamaterials. He works closely with Irish SME partners in the commercialisation of acoustic metamaterials including in the H2020 SME instrument project TANDEM. He has been the scientific coordinator and lead technical manager of the FP7 Clean Sky projects WENEMOR, ALLEGRA and ARTIC and PI on the H2020 project AERIALIST. His responsibilities on these projects included the conduct of Preliminary and Critical Design Reviews, test planning and supervision of the wind tunnel test campaigns. Dr. Kennedy has published 62 peer-reviewed journal articles and conference publications. He has been a member of the scientific committee of the 21st and 23rd Workshops of the Aeroacoustics Specialists Committee of the Council of European Aerospace Societies. He was a member of the Scientific Committee of the 45th and 51st International JVE (Journal of Vibroengineering) Conferences. He is a session chair at the Internoise 2022 conference. He is also Irish coordinator for the industrially focused institute of Acoustics' Diploma in acoustics and noise control. His work in transport aero-acoustics has led to press releases by the Acoustical Society of America and the American Institute of Physics.
  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
 Noise mapping for the minimal noise aircraft fleet
 The application of Deep Learning Methods for breakthrough noise and vibration control using Metamaterials
 The application of Deep Learning methods for breakthrough noise and vibration control using metamaterials
 AERIALIST
 TANDEM

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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
Scientific Committee of the 51st International JVE (Journal of Vibroengineering) Conference 2021
Scientific Committee session co-chair Internoise - 51st International Congress and Exposition on Noise Control Engineering 2022
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.
Kai Cussen, Simone Garruccio and John Kennedy, UAV Noise Emission - A Combined Experimental and Numerical Assessment, Acoustics, 4, (2), 2022, p297 - 312, Journal Article, PUBLISHED  DOI
Daniel Deery and Lara Flanagan and Gordon O'Brien and Henry J. Rice and John Kennedy, Efficient Modelling of Acoustic Metamaterials for the Performance Enhancement of an Automotive Silencer, Acoustics, 4, (2), 2022, p329--344 , Journal Article, PUBLISHED  DOI
L. Dowling and J. Kennedy and D. Trimble, Effect of a modified energy density equation to achieve a more uniform energy input during LPBF for improved repeatability, Journal of Manufacturing Processes, 77, 2022, p607--615 , Journal Article, PUBLISHED  DOI
Mark Anderson, John Kennedy, Naomi Harte, Low Resource Species Agnostic Bird Activity Detection, 2021 IEEE Workshop on Signal Processing Systems (SiPS), 2021, pp34-39 , Conference Paper, PUBLISHED  URL
Roberto Merino-MartĂ­nez, John Kennedy, Gareth J.Bennett, Experimental study of realistic low-noise technologies applied to a full-scale nose landing gear, Aerospace Science and Technology, 113, 2021, Notes: [Paper Number 106705], Journal Article, PUBLISHED  TARA - Full Text  DOI  URL
John Kennedy and Simone Garruccio and Kai Cussen, Modelling and mitigation of drone noise, Vibroengineering PROCEDIA, 37, 2021, p60--65 , Journal Article, PUBLISHED  DOI
John Kennedy and Daniel Deery, Performance enhancement of an automotive silencer using acoustic metamaterial baffles, Vibroengineering PROCEDIA, 37, 2021, p66--71 , Journal Article, PUBLISHED  DOI
Daragh O'Connor and John Kennedy, An evaluation of 3D printing for the manufacture of a binaural recording device, Applied Acoustics, 171, 2021, p107610 , Journal Article, PUBLISHED  DOI
Patrick N. Okolo, Kun Zhao, John Kennedy, Chigbo Mgbemena, Mkpamdi Eke and Gareth J. Bennett, Two-Dimensional Simplification of Complex Three-Dimensional Wire Mesh Screens, Journal of Aerospace Engineering, 34, (6), 2021, p1 - 13, Notes: [Paper Number: 04021098], Journal Article, PUBLISHED  URL
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
  

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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

  

Award Date
Teaching Innovation Award (Faculty of Engineering, Mathematics and Science, Trinity College Dublin) 2015