文章详细信息 关键词： 一级半透平;;顶部间隙;;泄漏流;;非定常流动 [gap=908]Keywords: one and half turbine stage;tip clearance;leakage flow;unsteady flow
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上游静叶干涉减少了动叶顶部二次泄漏流强度。
Upstream stator-rotor interaction reduces the double leakage flow intensity in the rotor tip region.
由泄漏流引起的回流、分离和旋涡等使静子中靠近轮毂处流场十分复杂。
Backflow, separation and vortices result from hub leakage lead to a complex flow structure near hub in the stator passage.
另外，叶根泄漏流的周向速度分量越大，泄漏流对转子流场的不利影响也越大。
Additionally, the larger the circumferential velocity component of hub leakage flow, the greater the deleterious effect of hub leakage upon the rotor flow.
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