流体工学部門講演会講演論文集
Online ISSN : 2424-2896
セッションID: 1507
会議情報
1507 多翼送風機における騒音発生に関する翼面圧力変動計測(OS15-2 先端的熱流体計測法,オーガナイズドセッション)
亀掛川 聡平原 裕行川崎 真俊北爪 三智男
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会議録・要旨集 フリー

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The multi-blade fan is used for an air conditioner widely because of the high flow rates and high pressure as compared to its size. For the permeation of the multi-blade fan, the noise reduction would required as the comfortable air conditioning supplier. The purpose of our development is to decrease the noise of multi-blade fan used for air conditioner. In the present study, we assembled a small pressure sensor on the fan blade directly, and we measured a pressure fluctuation on the blade surface. And we discussed the relations of a pressure fluctuation between the blades and the noise generation. As a result, a remarkable pressure fluctuation was observed before the tongue passage and was able to confirm that pressure fluctuation were different by flow rate.
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© 2010 一般社団法人 日本機械学会
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