Thermal-flow Characteristics of Double-Jet Film Cooling Holes with Various Transverse Trench Configurations

摘要：

　　In this study,thermal-flow characteristics on the adiabatic surface with film cooling hole arrangements were numerically investigated.The DJFC(Double-Jet Film Cooling)holes were embedded in a transverse trench with various configurations.In order to examine the flow characteristics and the effect of various configurations,basic geometry and three different trench configurations were considered.The depth of trench is fixed as 1 mm.Various values of trench width(w =6.25,7.25,and 20.0 mm)were considered.Numerical study was performed by using ANSYS CFX 14.5 with the shear stress transport(SST)turbulent model.As a result,the film cooling effectiveness,temperature distributions,and velocity vector distributions were graphically depicted with various geometrical configurations.

关键词： Film cooling DJFC (Double Jet Film Cooling) Transverse trench Film cooling effectiveness

作者: Moon-Young Cho Youn-Jea Kim

作者单位: Graduate School of Mechanical Engineering,Sungkyunkwan Univerisity,Suwon 440-746,Korea School of Mechanical Engineering,Sungkyunkwan Univerisity,Suwon 440-746,Korea

会议类型: 国际会议

会议名称: 2014 Asia-Pacific International Symposium on Aerospace Technology(2014亚太航空航天技术学术会议)

会议地点: 上海

会议语种:英文

页码: 1-8

在线出版日期: 2014-09-24（万方平台首次上网日期，不代表论文的发表时间）