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ISSN 打印: 1064-2285
ISSN 在线: 2162-6561

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DOI: 10.1615/HeatTransRes.v33.i1-2.80
9 pages

Numerical Investigation of Tornado Enhancement of Heat and Mass Exchange Processes in Flow Past Projections in Concave Surfaces

Alexander Leontiev
Joint Institute for High Temperatures
P. A. Baranov
Saint-Petersburg State University of Civil Aviation, Saint-Petersburg, 196210, Russia

ABSTRACT

Within the framework of multiblock approach, using a finite-volume algorithm based on the physical-process splitting concept and developed for the solution of three-dimensional nonstationary Navier-Stokes equations, a numerical analysis of spatial separated flow playing a dominant role in the mechanisms of heat transfer enhancement is carrier out. Special attention is given to computer identification of self-organizing jet-vortical structures. The correctness of the developed approach is checked in comparison of numerical and physical results for a turbulent flow in a channel with a lune. The structure of a vortical flow in the vicinity of the lune on a flat wall is numerically analyzed. The connection between reorganization of a vortical structure in the asymmetric lune growth of thermal output is found out.


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