Acoustic Conception of an Automotive HVAC

Paper #:
  • 2016-01-1814

Published:
  • 2016-06-15
DOI:
  • 10.4271/2016-01-1814
Citation:
Legros, M., Ville, J., Moreau, S., Carniel, X. et al., "Acoustic Conception of an Automotive HVAC," SAE Technical Paper 2016-01-1814, 2016, doi:10.4271/2016-01-1814.
Pages:
9
Abstract:
The new requirements during the first stages of the conception of a HVAC prompt the designer to integrate the acoustic problematic increasingly upstream. The designer needs to select a coherent components’ choice in order to comply with the specifications in terms of aeraulic and acoustic performances. A tool has been created to guide the designer’s choices based on an acoustic synthesis which is a design and/or diagnosis approach used to analyze and predict the acoustic behavior of a complex system. The synthesis is developed in order to propose an approach which considers the integration effects and some interaction effects. The acoustic synthesis results are the starting point of a psycho-acoustic study providing audio samples of the prediction and indications of the HVAC acceptance by the prospective user. Also, one may compare the results of different acoustic synthesis projects to study the influence of the parameters on the acoustic prediction.
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