Numerical modelling of bypass transition in turbine cascades

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F15%3A00241968" target="_blank" >RIV/68407700:21220/15:00241968 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Numerical modelling of bypass transition in turbine cascades
Original language description
The work deals with numerical simulation of turbulent flows in turbine cascades taking into account transition to turbulence. The mathematical model is based on Favre-averaged Navier-Stokes equations closed by a turbulence model. The transition to turbulence is modelled by 2-equation model of Lodefier and Dick (2006) solving equations for intermittency and free-stream factor. In the model, arbitrary transition criteria based on empirical correlations can be used. The turbulence model is the EARSM (explicit algebraic Reynolds stress model). The results are shown for 3D turbine cascade with prismatic geometry and side walls. Fully turbulent and transitional simulations are compared. The implementation of the transition model in the multi-block grids enabling computation of boundary layer thickness and free-stream velocity and turbulence is discussed. The numerical method uses implicit finite volume solver with AUSM-type scheme.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the Conference on Modelling Fluid Flow
ISBN
978-963-313-190-9
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
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Publisher name
Budapest University of Technology and Economics, Department of Fluid Mechanics
Place of publication
Budapest
Event location
Budapest
Event date
Sep 1, 2015
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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