The Proceedings of the Symposium on Environmental Engineering
Online ISSN : 2424-2969
2016.26
Session ID : 111
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Analysis of Noise Characteristics of Tubular Fan Using Transparent Wall
Sunao TACHIKIHidechito HAYASHIWar War Min SweTetsuya OKUMURAIppei ODAYoshimasa KATSUMI
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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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