ROTATING EFFECT ON TRANSONIC SQUEALER TIP COOLING PERFORMANCE

被引：0
|
作者：
Zhu, D. [1 ]
Lu, S. [2 ]
Ma, H. [1 ]
Zhang, Q. [3 ]
Teng, J. [2 ]
机构：
[1] Univ Michigan Shanghai Jiao Tong Univ Joint Inst, Shanghai, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Aeronaut & Astronaut, Shanghai, Peoples R China
[3] City Univ London, London, England
来源：
PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2017, VOL 5A | 2017年
基金：
美国国家科学基金会;
关键词：
LEADING-EDGE REGION; GAS-TURBINE BLADE; ROWS;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The aerothermal behavior of turbine blade tip has been studied for decades, mostly using stationary linear cascade. The blade rotation effect still remains unclear to the tip research community. This paper investigates two squealer tip cooling configurations with the effect of relative casing movement. The numerical method was validated against thermal measurement obtained in a transonic wind tunnel. Further analysis is presented for cases with relative casing motion. Dramatic changes in aerodynamics and heat transfer were observed, mostly due to the strong interactions between the over tip leakage flow and the coolant injection. The need to consider the rotating effect into future experimental validation is highlighted.
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页数：10
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