HVAC Blower Aeroacoustics Predictions Based on the Lattice Boltzmann Method

Author:

Pe´rot Franck1,Kim Min-Suk1,Wada Koichi2,Norisada Koji3,Kitada Motohiro3,Hirayama Shunsaku3,Sakai Masaharu3,Imahigasi Syoichi3,Sasaki Noriya4

Affiliation:

1. Exa Corporation, Brisbane, CA

2. Exa Japan Inc., Yokohama, Japan

3. Denso Corporation, Kariya, Japan

4. Densotechno Corporation, Oobu, Japan

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.

Publisher

ASMEDC

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. HVAC Blower: A Steady State RANS Noise Prediction Method;SAE Technical Paper Series;2024-06-12

2. Numerische Methoden;ATZ/MTZ-Fachbuch;2023

3. A Study on Unsteady Flow and Aerodynamic Noise Generation in a Multi-Blade Blower;TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B;2013

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