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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor
International Heat Transfer Conference 4

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

FLOW AND HEAT TRANSFER IN HORIZONTAL TUBES UNDER COMBINED EFFECT OF FORCED AND FREE CONVECTION

B. S. Petukhov
Institute of High Temperatures of the Russian Academy of Sciences, Moscow, Russia

Anatoly F. Polyakov
Department of Heat Transfer, Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13/19, Moscow 127412, Russia

DOI: 10.1615/IHTC4.3690
pages 1-11

Resumo

There has been conducted experimental investigation of local heat transfer and some characteristics of deteriorated stability in horizontal tube flows with constant heat emission in the wall. The measurements were taken of Re values within the range from 200 to 3.5·104 and the values of Ra within the range from 5·106 to 2·1010. There have been obtained the data on distribution of heat transfer along both the perimeter and length of the wall. The results of measurements were generelized through the use of interpolation equations for local heat transfer.

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