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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Effect of free stream turbulence on energy losses of turbine blade cascade
 Nádvorník, M. ; Straka, P. ; Příhoda, Jaromír
The contribution deals with the numerical simulation of 2D compressible flow through a linear turbine blade cascade including the laminar/turbulent transition. Predictions ware accomplished by means of several transition models for various free-stream turbulence and Reynolds numbers. Calculated values of the loss coefficient and the outlet flow angle were compared with experimental data obtained for the turbine blade cascade.
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Numerical solution of compressible flow through a turbine cascade using various transition models
 Nádvorník, M. ; Straka, P. ; Příhoda, Jaromír
The contribution deals with the numerical simulation of 2D compressible flow through a linear turbine blade cascade. Simulations were carried out by the in-house numerical code based on the two-equation k-omega turbulence model with the algebraic transition model and by the commercial software Fluent using the three-equation turbulence model including the transition model proposed by Walters and Cokljat. Predictions carried out for different Reynolds and Mach numbers cover the transition in the attached and separated flow as well. Predicted values of the loss coefficient and the flow outlet angle were compared with experimental data for the turbine cascade VS33.
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