Abstract
Research results regarding hydrodynamics and heat transfer during boiling in a rotating gas–liquid layer are presented. The dependencies for defining the gas content, angular velocity, and height of the liquid layer retained on the heat transfer surface at the expense of the force of inertia of the rotating gas flow are obtained. It is shown that the heat transfer coefficient increases with growth of the angular velocity of the layer and the decrement of its average temperature. The increment of the heat transfer coefficient during boiling in comparison to boiling in the chamber volume was achieved up to three times. Construction of the vortex evaporator (condenser) was elaborated, and the heat transfer coefficient in it constituted 15 000–30 000 W/(m2 K).
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