Transition Modelling on Separated Flow in Turbine Cascade

0471310 - ÚT 2018 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Louda, Petr - Příhoda, Jaromír - Kozel, K.
Transition Modelling on Separated Flow in Turbine Cascade.
Topical Problems of Fluid Mechanics 2017. Prague: Institute of Thermomechanics AS CR, v. v. i., 2017 - (Šimurda, D.; Bodnár, T.), s. 211-220, č. článku 027. ISBN 978-80-87012-61-1. ISSN 2336-5781.
[Topical Problems of Fluid Mechanics 2017. Prague (CZ), 15.02.2017-17.02.2017]
Grant CEP: GA ČR GAP101/12/1271
Institucionální podpora: RVO:61388998
Klíčová slova: turbine cascade * transition model * separation bubble * shock wave-boundary layer interaction
Obor OECD: Fluids and plasma physics (including surface physics)
http://www.it.cas.cz/fm2015/im/admin/showfile/data/my/Papers/2017/27-TPFM2017.pdf

The work deals with numerical simulation of turbulent ow through turbine cascade by RANS model with model of transition to turbulence. Performance of two transition models is compared. First one is gamma-zeta model based on transition criteria, second one algebraic transition model based on the concept of laminar uctuations energy (Kubacki, Dick 2016). The criterion for transition in separated state is re-formulated in order to remove stream-wise non-local formulation. The performance of the transition models is observed on the shock wave - boundary layer interaction on turbine blade.
Trvalý link: http://hdl.handle.net/11104/0273595