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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2019, Volume 60, Issue 6, Pages 107–117
DOI: https://doi.org/10.15372/PMTF20190612 (Mi pmtf378) 		 
This article is cited in 10 scientific papers (total in 10 papers)

Film cooling performance for cylindrical holes embedded in contoured craters: effect of the crater depth

J. L. Fua, L. C. Baibc, C. Zhangbc, P. F. Jubc

a Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China
b Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, Tianjin, 300384, China
c Tianjin University of Technology, Tianjin, 300384, China
Full-text PDF (806 kB) Citations (10)
DOI: https://doi.org/10.15372/PMTF20190612
Abstract: The present study deals with the flow field and cooling performance for flat-plate cylindrical film cooling holes embedded in contoured craters, especially considering the effect of the crater depth. A test matrix of the crater depth ranging from 0.25 to 1.25 times of the cylindrical hole diameter and the blowing ratio ranging from 0.5 to 2.0 is used in CFD computations. The numerical results show that the flow fields downstream from the hole exit can be altered significantly due to interaction between the ejected coolant and contoured crater. The cooling performance depends on both the specific crater depth and blowing ratio; however, the cratered hole is always superior to the cylindrical hole in terms of the area-averaged cooling effectiveness regardless of the crater depth and blowing ratio. The cratered hole with a crater depth equal to the hole diameter is recommended.
Keywords: film cooling, contoured crater, crater depth, blowing ratio, anti-kidney-shaped vortex pair, adiabatic cooling effectiveness.
Funding agency Grant number
Natural Science Foundation of Tianjin Province 18JCQNJC07200
National Natural Science Foundation of China 51776201
51506150
Received: 05.02.2019
Revised: 25.04.2019
Accepted: 27.05.2019
English version:
Journal of Applied Mechanics and Technical Physics, 2019, Volume 60, Issue 6, Pages 1068–1076
DOI: https://doi.org/10.1134/S0021894419060129
Bibliographic databases:
Document Type: Article
UDC: 536.24; 621.45
Language: Russian
Citation: J. L. Fu, L. C. Bai, C. Zhang, P. F. Ju, “Film cooling performance for cylindrical holes embedded in contoured craters: effect of the crater depth”, Prikl. Mekh. Tekh. Fiz., 60:6 (2019), 107–117; J. Appl. Mech. Tech. Phys., 60:6 (2019), 1068–1076
Citation in format AMSBIB
\Bibitem{FuBaiZha19}
\by J.~L.~Fu, L.~C.~Bai, C.~Zhang, P.~F.~Ju
\paper Film cooling performance for cylindrical holes embedded in contoured craters: effect of the crater depth
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2019
\vol 60
\issue 6
\pages 107--117
\mathnet{http://mi.mathnet.ru/pmtf378}
\crossref{https://doi.org/10.15372/PMTF20190612}
\elib{https://elibrary.ru/item.asp?id=41444469}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2019
\vol 60
\issue 6
\pages 1068--1076
\crossref{https://doi.org/10.1134/S0021894419060129}
Linking options:
  • https://www.mathnet.ru/eng/pmtf378
  • https://www.mathnet.ru/eng/pmtf/v60/i6/p107
    • This publication is cited in the following 10 articles:
    1. Lin-chao Bai, Chao Zhang, Jing-lun Fu, Peng-fei Zhang, “Numerical Study of Film-Cooling and Aerodynamic Performance of Contoured Cratered Holes”, Heat Transfer Engineering, 45:1 (2024), 81  crossref
    2. Yuhui Shen, Wenzhuang Wang, Mingkuan Zhang, Chao Zhang, “Effect of different internal impingement structures and cratered film cooling holes on overall cooling effectiveness”, J Braz. Soc. Mech. Sci. Eng., 46:5 (2024)  crossref
    3. Y. C. Shi, C. Zhang, Z. Sun, Y. X. He, “Film-Cooling Performance of Cylindrical and Cratered Holes Fed by a Perpendicular Crossflow”, J Eng Phys Thermophy, 96:2 (2023), 482  crossref
    4. Wenzhuang Wang, Chao Zhang, Zhiting Tong, “Effect of protrusion shape on film cooling performance for the cylindrical hole embedded in a contoured crater”, Therm sci, 27:1 Part A (2023), 245  crossref
    5. Chao Zhang, Linchao Bai, Zhiting Tong, Artem Khalatov, “Film cooling performance for the cratered film-cooling holes with various coolant crossflow orientations”, Numerical Heat Transfer, Part A: Applications, 81:1-2 (2022), 15  crossref
    6. Chao Zhang, Wenzhuang Wang, Zhan Wang, Zhiting Tong, “Conjugate Heat Transfer Simulation of Overall Cooling Performance for Cratered Film Cooling Holes”, Machines, 10:5 (2022), 395  crossref
    7. Shuai Xu, Jian Pu, Jian-hua Wang, Yun Chen, Wei-long Wu, “Effects of mainstream cross-flow and wall contouring on film cooling effectiveness of cylindrical-holes embedded in elliptical craters”, International Journal of Heat and Mass Transfer, 194 (2022), 123014  crossref
    8. V. G. Krishna Anand, K. M. Parammasivam, “Thermal barrier coated surface modifications for gas turbine film cooling: a review”, J Therm Anal Calorim, 146:2 (2021), 545  crossref
    9. Chao Zhang, Linchao Bai, Jinglun Fu, Artem Khalatov, Yang Yang, “Discharge coefficients and aerodynamic losses for cylindrical and cratered film-cooling holes with various coolant crossflow orientations”, J Braz. Soc. Mech. Sci. Eng., 43:3 (2021)  crossref
    10. Artem Khalatov, E Shi-Ju, Dongyun Wang, Igor Borisov, “Film cooling evaluation of a single array of triangular craters”, International Journal of Heat and Mass Transfer, 159 (2020), 120055  crossref
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