An Experimental Study of Cross Flow Fan : 1st Report, Effects of Housing Geometry on the Fan Performance

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概要

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• Cross flow fan has various kinds of performance curves according to housing geometry, but quantitative relations between them have not been made clear. In this paper, experiments are carried out systematically with the housings of simplified form at first. However, the following results are valid even for housings of a more generalized form. It is found that the main geometrical parameters of housing, which determine the fan performance are the tip clearance of tongue, the setting angle of its suction side and the size of casing. the delivery angle of impeller and the height of fan outlet have only a secondary effect compared with these main parameters. The tip clearance is important for the stability of performance curve, and the setting angle has a certain optimum value. Various types of performance curves are obtained by changing the size of casing.

• 一般社団法人日本機械学会の論文

著者

• Nishihara Kazuyoshi

  Faculty Of Engineering Osaka Electro-communication University

• MURATA Susumu

  Faculty of Engineering, Osaka University

• Murata Susumu

  Faculty Of Engineering Osaka Univ.

関連論文

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