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Heat Transfer Research
Fator do impacto: 0.404 FI de cinco anos: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v37.i6.80
pages 561-570

Numerical Investigation of the Hydrodynamics and Heat Transfer in a Tube with a Spiral Tape

A. M. Erokhina
Moscow Power Engineering Institute (Technical University), 14 Krasnokazarmennaya Str., Moscow, 111250, Russia
Alexander T. Komov
National Research University "Moscow Power Engineering Institute", Russia, 111250 Moscow, Krasnokazarmennaya str., 14
Yu. N. Tokarev
Moscow Power Engineering Institute (Technical University), 14 Krasnokazarmennaya Str., Moscow, 111250, Russia

RESUMO

This work is devoted to theoretical investigation of heat transfer and hydrodynamics in a cylindrical tube with a coiled tape for Reynolds numbers 200-3600 and small twist pitches. A numerical solution of full Navier-Stokes and energy equations is obtained using the FLUENT applied program package. The fields of the distribution of thermodynamic parameters have been obtained. The nonstationarity of the Taylor-Goertler vortices has been revealed and, based on this, the conclusion on the possible incipience of a high-scale turbulence in swirled regions at small Reynolds numbers has been made.


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