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Heat and mass transfer in turbulent flows with several recirculated flow eddies

E. Baake1 , B. Nacke1 , A. Jakovics2 , A. Umbrashko2

1 Institute for Electrothermal Processes, University of Hannover Wilhelm-Busch-Str. 4, D-30167 Hannover, Germany
2 Laboratory for Mathematical Modelling of Environmental and Technological Processes University of Latvia, Zellu str. 8, LV-1002 Riga, Latvia

Numerical modeling of the concentration and temperature distribution in axial symmetrical systems with several recirculated flow eddies, which is based on various 2D stationary k−ε models and commercial codes, e.g. ANSYS and FLUENT, leads to results, which are significantly different from experimental data. Therefore additional user-defined subroutines were included in the commercial program code to improve the turbulent heat and mass transfer in the zone between the recirculated flow eddies. In addition transient 3D calculations were performed to investigate scientifically the flow dynamics. Figs 9, Refs 8.

Magnetohydrodynamics 37, No. 1/2, 13-22, 2001 [PDF, 0.27 Mb]

Copyright: Institute of Physics, University of Latvia
Electronic edition ISSN 1574-0579
Printed edition ISSN 0024-998X