유체기계공업학회:학술대회논문집
- 유체기계공업학회 2003년도 유체기계 연구개발 발표회 논문집
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- Pages.391-396
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- 2003
임펠러 직경비 및 리어가이더 형상변화가 횡류홴 성능에 미치는 실험적 연구
Experimental Study on the Performance of a Cross-Flow Fan with Various Diameter Ratios of Impeller and Rearguider Shapes
- 발행 : 2003.12.05
초록
A cross-flow fan relatively produces higher dynamic pressure at low speed because a working fluid passes through an impeller blade twice and blades have a forward curved shape. The performance of a cross-flow fan is influenced 25% by the impeller, 60% by the rearguider and the stabilizer, and 15% by the heat exchanger. At the low flow rate, there exist a rapid pressure head reduction, a noise increase and an unsteady flow against a stabilizer and a rearguider. The purpose of this study is to investigate the reciprocal relation among each parameter Experiments are conducted to study the effects of a rearguider and a diameter ratio of impeller on the performance analysis of a cross-flow fan. Comparing with the rearguider of radial type, the Archimedes type shows excellent results for various diameter ratios.
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