Abstract
One of the directions of creating advanced gas and steam power units is usage of new working substances (freons) in the steam turbine stage. This paper presents the authors’ method for estimation (which is the scientific novelty) and results of calculating the efficiency and design-layout parameters of assemblies of a steamand gas power unit (SGU)with the freon technology. It is shown that the use of freons with supercritical parameters in SGU makes it possible to obtain efficiency on a level of 58% and apply more compact (compared to conventional) turbines and once-through recovery boilers, and a regenerator and condenser whose design-layout parameters are comparable with similar conventional designs.
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