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HVAC Blower Aeroacoustics Predictions Based on the Lattice Boltzmann Method

[+] Author Affiliations
Franck Pérot, Min-Suk Kim

Exa Corporation, Brisbane, CA

Koichi Wada

Exa Japan Inc., Yokohama, Japan

Koji Norisada, Motohiro Kitada, Shunsaku Hirayama, Masaharu Sakai, Syoichi Imahigasi

Denso Corporation, Kariya, Japan

Noriya Sasaki

Densotechno Corporation, Oobu, Japan

Paper No. AJK2011-23018, pp. 921-929; 9 pages
doi:10.1115/AJK2011-23018
From:
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference
  • ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D
  • Hamamatsu, Japan, July 24–29, 2011
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4440-3
  • Copyright © 2011 by ASME

abstract

Two centrifugal HVAC fan and casing geometries are experimentally and numerically investigated. Aerodynamic and acoustic measurements are performed at three operating conditions following an ISO standard procedure. Explicit and compressible CFD/CAA simulations based on the Lattice Boltzmann Method are performed for six configurations. From these simulations, flow information in term of pressure rise as a function of the mass flow rate and noise are obtained at the same time and compared to experiments. Additional post-processing is performed to have an insight on the origin and location of flow-induced noise sources.

Copyright © 2011 by ASME

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