FIELD: power engineering; mechanical engineering; engine operating in cyclic process. SUBSTANCE: gas-liquid mixture featuring inverse solubility to temperature. During first working phase, volume of chamber increases, pressure drops and mechanical work is carried out. At increase in volume and drop of pressure liberation of gas phase takes place, accompanied by liberation of heat, so amount of supplied heat can be reduced. During compression gas dissolves in liquid, absorbing the heat, thus reducing compression work. EFFECT: enhanced thermodynamic efficiency of cycle. 2 cl, 5 dwg
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