Slit ejector is one of the important structures in film cooling. It is used for the apparatus of the ships and the gas turbine exhaust emissions to reduce the exhaust emission temperature and protect the device. Now the research for this structure is the overall performance, in the single ejector structure is less. In this paper, numerical calculation and PIV experiment were studied in three different slit width of the single stage ejector structure. Through the analysis of the results obtained, we get the best result of the single stage ejector structure. The result can also provide some reference for next research for the structure.
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臧颖恺,陆振华,龚伟. 狭缝引射结构下冷却气膜的数值计算和PIV实验[J]. 科学技术与工程, 2013, 13(8): . zangyingkai, luzhenhua, gongwei. Numerical calculation and PIV experiment contrast for cooling gas film of slit ejector[J]. Science Technology and Engineering,2013,13(8).