PIV Measurements of Shock/Cooling-Film Interaction at Varying Shock Impingement Position
PIV Measurements of Shock/Cooling-Film Interaction at Varying Shock Impingement Position
复制标题
不同冲击冲击位置处冲击/冷却膜相互作用的 PIV 测量
DOI:
10.1007/978-3-319-64519-3_12
复制
发表时间:
2018
期刊:
影响因子:
--
通讯作者:
W. Schröder
中科院分区:
文献类型:
--
作者:
P. Marquardt;M. Klaas;W. Schröder
A supersonic film-cooling configuration with shock interaction is investigated experimentally by means of high-speed particle-image velocimetry. A laminar cooling film is injected at an injection Mach number ofbeneath a turbulent boundary layer at a freestream Mach number of. A flow deflection ofgenerates a shock wave which impinges upon the cooling film. The influence of the impingement position of the incident shock on the cooling film is analyzed by the time-averaged velocity fields and Reynolds shear stress distributions. The results show a significantly, shock-induced increase of the turbulent transport. Shock impingement close to the injection nozzle equally increases the Reynolds shear stress in the shear layer and in the boundary layer on the bottom wall. An impingement position further downstream drastically increases the turbulent transport in the boundary layer, however, in the shear layer the increase in turbulent transport is lower.
DOI:
--
发表时间:
2016
期刊:
影响因子:
--
作者:
Pascal Marquardt;F. Michaux;M. Klaas
通讯作者:
M. Klaas
影响因子:
--
作者:
R. A. Seban;L. Back
通讯作者:
R. A. Seban;L. Back
影响因子:
4.6
作者:
S. Pirozzoli;M. Bernardini
通讯作者:
S. Pirozzoli;M. Bernardini