Heat Transfer Research

ISSN for PRINT: 1064-2285

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2001, Volume32

Issue 4-6

174 pages

Issue price - $1011.00

A. L. Efimov
Moscow Power Institute (Technical University), Russia

E. I. Krupnov
Engineering-Construction Academy, Ivanovo, Russia

Heat transfer between a gas jet and evaporating liquid, with a nozzle cross-section for gas outflow being positioned differently with respect to a liquid level in the physical model of the apparatus containing a submerged burner, is studied experimentally. It is found that in the case when the nozzle outlet cross-section lies above the liquid level two flow modes - jet and bubbling - are possible. Empirical relations for calculation of the temperature of a vapor-gas mixture at the apparatus outlet are obtained for each mode. The results of the study are used in the development of energy-saving technological schemes of processing wastes of potato starch production and evaporative decontamination of mineralized sewage.

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