Abstract
This review presents the state of the art in film cooling applied to high-speed flows. Film cooling is a promising technique to reduce heat transfer and shield a surface that is exposed to high-temperature core stream. The technique applies cold pneumatic injection into a hot core stream, and while the film cooling in gas turbines is generally subsonic, it has also been a success in high-speed environment such as an extension nozzle of liquid rocket engines. The present paper aims to bring together the main results from experiments and numerical simulation on film cooling in high-speed flow. Parameters from not only fluid dynamical conditions but also gas properties and geometric features of injection affect the cooling performance.
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Fujiwara, K., Sriram, R., Kontis, K., Ideta, T. (2019). Review on Film Cooling in High-Speed Flows. In: Sasoh, A., Aoki, T., Katayama, M. (eds) 31st International Symposium on Shock Waves 2. ISSW 2017. Springer, Cham. https://doi.org/10.1007/978-3-319-91017-8_118
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