Original title:
Modelling of Flow in Linear Blade Cascade with Thick Trailing Edge at a Lower Reynolds Number
Authors:
Straka, P. ; Příhoda, Jaromír Document type: Papers Conference/Event: Engineering Mechanics 2017 /23./, Svratka (CZ), 20170515
Year:
2017
Language:
eng Abstract:
In the paper there are compared results of numerical simulation of compressible turbulent flow through a low-pressure turbine blade cascade with relatively thick trailing edges for various physical models. Steady, unsteady, fully turbulent, transitional, two-dimensional and three-dimensional models are compared. Results show that: a) steady simulation gives an incorrect prediction of the boundary layer development, b) two-dimensional unsteady simulation leads to inaccurate prediction of the far wake development and c) only three-dimensional unsteady transitional simulation gives sufficiently accurate prediction. Results of numerical simulations are compared with the experimental data.
Keywords:
boundary layer transition; linear blade cascade; vortex series Project no.: TA04020129 (CEP) Funding provider: GA TA ČR Host item entry: Engineering Mechanics 2017, ISBN 978-80-214-5497-2, ISSN 1805-8248
Institution: Institute of Thermomechanics AS ČR
(web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences. Original record: http://hdl.handle.net/11104/0279591