Development of enhanced acoustic trim materials for engine bay noise abatement (PBNv2_ESR2)
The KU Leuven Noise and Vibration Research Group (www.mech.kuleuven.be/mod) is searching for two PhD candidates to join the team which will work within the H2020 Marie Sklodowska Curie (https://ec.europa.eu/programmes/horizon2020/en/h2020-section/marie-sklod...) project PBNv2 - Next generation Pass-By Noise approaches for new powertrain vehicles (ETN GA721615). The KU Leuven Noise and Vibration Research Group which currently counts 90 researchers and is headed by Prof. Wim Desmet (https://www.kuleuven.be/wieiswie/en/person/00011973), is part of the Mechanical Engineering Department, a vibrant environment of more than 300 researchers (www.mech.kuleuven.be). Research in noise and vibration was initiated in the late sixties, with initial efforts focussed on the development of experimental methods, with the birth of modal analysis and applications in the automotive and aeronautics sectors. The eighties are marked with the introduction of numerical techniques (finite elements and boundary elements) and in the nineties, the scope further widened with the development of active control strategies. During the last decade, the group's expertise in dynamic analysis was further exploited in the context of model based system engineering of smart products and their manufacturing. Today, noise and vibration issues remain a major challenge, not only in the development of high-tech products, processes and systems, but also for the health of people and the well-being of society, for sustainable environment and energy supply, and for safe and comfortable mobility. As such, the KU Leuven research group is continuously challenged to excel and innovate helping to build tomorrow's society.
Industrial relevance and advanced applications have always been major drivers in our strategy. LMS International, now Siemens Industry Software NV (SISW), was established in 1979 as one of the first spin-off companies of KU Leuven and is now a global leader in dynamic testing and mechatronic simulation. Testimony to this industrial relevance also is the long list research projects, ranging from fundamental research over applied research to prototyping and demonstration projects: https://www.mech.kuleuven.be/en/pma/research/mod/projects/projects
Another important element in the group's strategy is dissemination. Apart from publishing in relevant international peer reviewed journals and at scientific and industrial conferences (see https://lirias.kuleuven.be/cv?u=U0011973 for a list of publications), since 1975 the research group organises the yearly ISMA and ISAAC courses and the biennial ISMA conference on Noise & Vibration engineering, attracting more than 600 participants from industry and academia, and with full conference proceedings listed on the ISI Thompson list: www.isma-isaac.be
The PhD candidate will focus on the development of acoustic trim materials for noise abatement. Given alternative vehicle powertrains with novel noise characteristics, optimised noise treatments have to be developed combining good acoustic performance with low weight and reasonable thermal performance. Innovative concepts such as meta-materials hold potential for blocking noise in certain frequency bands by tuning the material's internal design.
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