Numerical simulation of a flat plate film cooling with a coolant supply into different shape indentations

被引：1
|
作者：
Khalatov, A. A. [1 ,2 ]
Panchenko, N. A. [1 ,2 ]
Severin, S. D. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Engn Thermophys, Kiev, Ukraine
[2] I Sikorsky Natl Tech Univ Ukraine, Kiev Polytech Inst, Kiev, Ukraine
来源：
THERMOPHYSICS AND AEROMECHANICS | 2017年 / 24卷 / 05期
关键词：
film cooling; film-cooling efficiency; surface dimples; triangular craters; transverse trench;
D O I：
10.1134/S0869864317050080
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Results of a film cooling numerical simulation over a flat plate with coolant supply into indentations of different shape are reported. The calculations were performed for the blowing-ratio changed from 0.5 to 2.0. For comparison, data for traditional film cooling scheme with one row of discrete cylindrical inclined holes were used. At small value of blowing ratio (m = 0.5), the average film-cooling efficiency is roughly identical for all indentations tested. With blowing ratio growth, the scheme with a coolant supply into the transverse trench demonstrates the best results.
引用
收藏
页码：731 / 737
页数：7
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