NDLI: Numerical investigation of three-dimensional turbulent flow and endwall heat transfer in a large-scale cascade of turbine blades

Content Provider	Springer Nature Link
Author	Levchenya, A. M. Smirv, E. M.
Copyright Year	2010
Abstract	Numerical simulation is performed of three-dimensional turbulent flow and heat transfer in a cascade of turbine blades (Langston cascade), for which numerous data are available in the literature. For closing the system of Reynolds-averaged Navier-Stokes equations, use is made of two-parameter models of turbulence of the k-ω family, low-Reynolds version of the Wilcox model, and the SST model of Menter. Numerical solutions are obtained in detailed grids (over a million cells) using the finite-volume code of second-order accuracy. It is demonstrated that the predicted structure of flow and local heat transfer on the end wall are very sensitive to the choice of model of turbulence, especially in the case of a thick boundary layer at the cascade inlet. By and large, the use of the Menter model enables one to well reproduce the complex vortex structures of flow in the cascade, as well as the local and integral characteristics of loss of total pressure. The local endwall heat transfer is predicted adequately.
Starting Page	57
Ending Page	67
Page Count	11
File Format	PDF
ISSN	0018151X
Journal	High Temperature
Volume Number	48
Issue Number	1
e-ISSN	16083156
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2010-03-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Industrial Chemistry/Chemical Engineering Physical Chemistry Classical Continuum Physics Materials Science Atoms and Molecules in Strong Fields, Laser Matter Interaction
Content Type	Text
Resource Type	Article
Subject	Engineering Condensed Matter Physics

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