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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Numerical Solution of Foreign-Gas Film Cooling in Supersonic Flow
verfasst von : Hitesh Sharma, Dushyant Singh, Ashutosh Kumar Singh
Erschienen in: Recent Advances in Mechanical Engineering
Verlag: Springer Singapore
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Abstract
The present numerical study is carried out to understand the film cooling characteristics of supersonic flow over a flat plate. The numerical investigation is carried out for the main stream Mach no. Mα of 2.67, secondary stream (coolant stream) Mach no. MC 0.05 and injection angle of 90°. The domain size is (x/s = 277, y/s = 22.8, z/s = 11.4) where ‘s’ is the slot width. The governing equations such as continuity, momentum and energy are solved using Ansys Fluent 18.1. Air is considered as working fluid for both main as well as secondary stream. The numerical results obtained using the LES modelling are validated with available Direct Numerical Simulation (DNS) results. The comparison of different LES Sub-grid scale models has been shown for providing standards for this type of problem.