Study on the Influence of Tip Clearance on Working Characteristics of High-Altitude Fan
Wei Qu,
Xiaohui He,
Chunlian Duan
et al.
Abstract:To study the influence of tip clearance on the working characteristics of high-altitude fans, this paper takes the MIX-140 high-altitude fan as the research object. Five different tip clearance (TC) models are selected. The CFD method is used to analyze the changes in the working characteristics of the fan under different flow rates and TCs in ground and high-altitude environments. The reliability of the numerical method is verified through a fan test bench. The results show that the tip leakage flow caused by… Show more
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