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Effect of Various Boundary Conditions on the Supersonic Flow Through the Tip-Section Turbine Blade Cascade with a Flat Profile
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SYSNO ASEP 0511865 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Effect of Various Boundary Conditions on the Supersonic Flow Through the Tip-Section Turbine Blade Cascade with a Flat Profile Author(s) Musil, Josef (UT-L) ORCID
Příhoda, Jaromír (UT-L) RID, ORCID
Fürst, J. (CZ)Source Title Proceedings of Computational mechanics 2019. - Plzeň : University of West Bohemia, 2019 / Adámek V. ; Jonášová A. ; Plánička S. ; Zajíček M. - ISBN 978-80-261-0889-4 Pages s. 133-134 Number of pages 2 s. Publication form Print - P Action Conference with international participation Computational mechanics 2019 Event date 04.11.2019 - 06.11.2019 VEvent location Srní Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords turbine cascade ; transition model ; shock wave-boundary layer interaction Subject RIV BK - Fluid Dynamics OECD category Applied mechanics R&D Projects TH02020057 GA TA ČR - Technology Agency of the Czech Republic (TA ČR) Institutional support UT-L - RVO:61388998 Annotation The paper deals with the numerical simulation of 2D compressible flow though the tip-section turbine blade cascade with a flat profile. The OpenFOAM code was used for simulations based on the Favre-averaged Navier-Stokes equations completed by the two-equation SST turbulence model and the gama-Re_th transition model proposed by Langtry and Menter (2009). Calculations were carried out for two nominal regimes with the inlet Mach number M1 = 1.2 and isentropic outlet Mach numbers M2is = 1.7 and 1.9. Simulations of compressible flow with the supersonic inlet were focused on the relation between of the inlet Mach number and the inlet angle given by the unique incidence rule. Further, the effect of the inlet free-stream turbulence and of the outlet isentropic Mach number on the flow filed in the blade cascade was investigated. Numerical results were compared with results of optical and pressure measurements. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2020
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