The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2016.26
Session ID : 111
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Host: The Japan Society of Mechanical Engineers

Name : [in Japanese]

Date : June 29, 2016 - July 01, 2016

Analysis of Noise Characteristics of Tubular Fan Using Transparent Wall
Sunao TACHIKI, Hidechito HAYASHI, War War Min Swe, Tetsuya OKUMURA, Ippei ODA, Yoshimasa KATSUMI
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Keywords: Fan, Noise, Tubular fan, Turbulent noise, Acoustic transparent wall, Impeller
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Abstract

It is investigated the noise characteristics generated from the impeller by experiments and numerical simulation. The acoustic transparent wall is used to find out the noise source in the experiments. The flow characteristics are simulated for the steady flow condition. The noise under 1000Hz is mainly generated from the impeller. The sound level that is estimated by using the Fukano’s equation is well coicided to the experimental results.

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© 2016 The Japan Society of Mechanical Engineers
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