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ATZ worldwide
Published in: ATZ worldwide 7-8/2017

01-07-2017 | Development

A Digital Approach to the Aeroacoustic Evaluation of HVAC Blowers

Authors: Vincent Le Goff, Adrien Mann, Benoît Le Hénaff, David Pihet

Published in: ATZ worldwide | Issue 7-8/2017

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Excerpt

OEMs are increasingly focusing on the acoustic efficiency of components and subsystems in search for an overall reduction of the main noise contributors in passenger cars. This is particularly true with rotating machinery. Exa Corporation and Mahle Luxembourg investigated the prediction of an automotive HVAC module blower using a three-dimensional compressible and unsteady Computational Fluid Dynamics (CFD) solver based on the Lattice-Boltzmann Method. …
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Literature
[1]
Le Goff, V.; Le Henaff, B.; Piellard, M.; Pihet, D.; Coutty, B.: Towards a Full Digital Approach for Aeroacoustics Evaluation of Automotive Engine Cooling Fans and HVAC Blowers. Fan 2015, Lyon, France, 2015
[2]
ISO 3744: Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane. Dissertation, 2010
[3]
Piellard, M.; Coutty, B.; Le Goff, V.; Pérot, F.; Vidal, V: Direct aeroacoustics simulation of automotive engine cooling fan system: effect of upstream geometry on broadband noise. 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, GA, 2014
[4]
Brès, G. A.; Pérot, F.; Freed, D.: Properties of the Lattice Boltzmann Method for Acoustics. 15th AIAA/CEAS Aeroacoustics Conference, Miami, Florida, USA, 2009
[5]
Brès, G. A.; Pérot, F.; Freed, D.: A Ffowcs Williams-Hawkings Solver for Lattice Boltzmann Based Computational Aeroacoustics. AIAA Paper 2010-3711, of the 16th AIAA/CEAS Aeroacoustics Conference, Stockholm, 2010
[6]
Mann, A.; Pérot, F.; Meskine, M.; Kim, M. S.: Designing quieter HVAC systems coupling LBM and flow-induced noise source identification methods. 10th FKFS Conference, Stuttgart, Germany, 2015
Metadata
Title
A Digital Approach to the Aeroacoustic Evaluation of HVAC Blowers
Authors
Vincent Le Goff
Adrien Mann
Benoît Le Hénaff
David Pihet
Publication date
01-07-2017
Publisher
Springer Fachmedien Wiesbaden
Published in
ATZ worldwide / Issue 7-8/2017
Electronic ISSN: 2192-9076
DOI
https://doi.org/10.1007/s38311-017-0058-4

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