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本文先简单介绍了可用于气膜冷却研究的等熵轻活塞风洞的基本原理,然后提出了设计该风洞的具体步骤和公式。根据这些可编出程序,最后用CT—1风洞进行验算,结果很符合实际尺寸。
In this paper, the basic principle of isentropic lightweight piston airfoil that can be used in the research of film cooling is briefly introduced. Then the specific steps and formulas for designing the wind tunnel are proposed. According to these programmable procedures, the CT-1 wind tunnel was finally used for checking. The result is in line with the actual size.