自循环吸附动叶设计原理及数值模拟分析

doi:10.7527/S1000-6893.2017.621098

Abstract

Abstract:

In the present study, a new self-circulating aspirated rotor is designed, and the self-circulating aspirated configuration and principles are analyzed. This new self-circulating aspirated configuration can restrain suction-surface separation and tip secondary flow by increasing boundary layer momentum using centrifugal effect, resulting in better rotor efficiency and stability margin. A comparison with the traditional methods for casing treatment shows the technical advantages of this rotor self-circulating aspirated configuration and tip jet design. According to the basic aspiration and injection theories, a concept design for the Rotor37 case, which contains suction slot, tip injection holes and hollow cavum, is carried out. This work breaks through the mesh generation technology with complex geometry, and conduct an analysis of the flow in the hollow cavum and the main passage of the self-circulating aspirated rotor. The results show significant advantages of this new self-circulating aspirated configuration, and feasibility of the configuration in numerical simulation.

Key words: self-circulating, aspirated rotor, vane suction hole, tip injection, stability extension

CLC Number:

V211.6

CAO Zhipeng, ZHAO Longbo, WANG Jingyu, GUAN Chaobin. Design principles and numerical simulation analysis of self-circulating aspirated rotor[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(9): 521098-521098.

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Design principles and numerical simulation analysis of self-circulating aspirated rotor

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