Heat Transfer Research

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Improvement of the Characteristics of the Elements of Vapor Generating Equipment by Heat Transfer Enhancement

Yu. A. Kuzma-Kichta
Moscow Power Engineering Institute (Technical University), 111250, Krasnokazarmennaya, 14, Moscow, Russian Federation

A. S. Komendantov
The Moscow Power Engineering Institute, 111250, Krasnokazarmennaya, 14, Moscow, Russian Federation

G. Bartsch
Technical University, Berlin, Germany

ABSTRACT

The effect of porous coating on boiling heat transfer in channel, critical heat flux, heat transfer characteristics in transition and post- and dryout regions is investigated. The calculated dependences are presented. The efficiency of application of porous coating for heat transfer enhancement in vapor generating equipment is analyzed. It is shown that application of porous coating in two zones of the boiling-type evaporator allows one to increase the heat-transfer coefficient by 30%.