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TitleAssessment of film cooling’s surface quantities using pressure- and temperature-sensitive paint: Comparisons between shaped and sand-dune inspired holes
AuthorWenwu Zhou a b Di Peng a b Yingzheng Liu a b Hui Hu c
Affiliation(s)a Key Lab of Education Ministry for Power Machinery and Engineering, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China b Gas Turbine Research Institute, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China c Department of Aerospace Engineering, Iowa State University, 2271 Howe Hall, Room 1200, Ames, IA 50011, USA
PublishedExperimental Thermal and Fluid Science Vol. 101, Jan. 2019 https://doi.org/10.1016/j.expthermflusci.2018.10.005
KeywordFilm cooling PSP and TSP Barchan dune Adiabatic effectiveness Heat transfer coefficient Net heat flux reduction
SnippetA high-power ultraviolet LED light (UHPT-LED-385, Prizmatix) with a wavelength of 385 nm was used as the excitation source. A high-resolution …
AbstractFollowing the previous work (Zhou and Hu, 2017), a comprehensive assessment was performed to further evaluate the film cooling’s surface quantities behind shaped and sand dune-inspired holes. Adiabatic film cooling effectiveness, heat transfer coefficient, and net heat flux reduction (NHFR) were measured at four blowing ratios (M = 0.40, 0.90, 1.40, and 2.00). The measured quantities were compared side-by-side between the shaped and sand dune-inspired holes. ...

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