Abstract
ABSTRACTEfficient power density (EPD), defined as the ratio of efficient power to the maximum volume of working fluid, is taken as the objective for performance analysis and optimisation of an internally and externally irreversible radiative Carnot heat engine model from the viewpoint of finite-time thermodynamics or entropy generation minimisation. Maximising the value of EPD gives maximum efficient power density (MEPD). Results obtained are compared with those obtained using maximum efficient power (MEP) criteria, maximum power density (MPD) criteria and maximum power (MP) criteria. The results showed that the engine design at MEPD conditions has an advantage of smaller size and is more efficient than those designed at MP, MPD and MEP conditions.
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