Effects of the layout of film holes near the vane leading edge on the endwall cooling and phantom cooling of the vane suction side surface

被引：13
|
作者：
Du, Kun [1 ,2 ]
Song, Liming [1 ]
Li, Jun [1 ]
Sunden, Bengt [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Inst Turbomachinery, Xian 710049, Peoples R China
[2] Lund Univ, Dept Energy Sci, Div Heat Transfer, SE-22100 Lund, Sweden
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2017年 / 71卷 / 09期
基金：
中国国家自然科学基金; 瑞典研究理事会;
关键词：
TURBINE ROTOR PASSAGE; HEAT-TRANSFER; HOT STREAKS; PERFORMANCE; SLOT;
D O I：
10.1080/10407782.2017.1326788
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In the current research, effects of the layout of film holes near the first-stage vane leading edge on the endwall cooling and phantom cooling of the vane suction side surface were numerically studied. The computational results indicate that the case with a positive film-hole angle achieves a higher cooling effectiveness level on the endwall and vane suction side surface compared to the case with a corresponding negative film-hole angle. Furthermore, the location of the film hole has a significant influence on the cooling performance of the endwall and vane suction side surface. In addition, the case with a smaller distance from film holes to the vane stagnation also attains a slightly higher cooling effectiveness (phantom cooling effectiveness) on the vane suction side surface.
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页码：910 / 927
页数：18
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