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The efficiency bounds at maximum profit are obtained from finite-time exergoeconomic analysis for three common heat transfer laws: Newton's law (n = 1), a linear pheomenological law in irreversible thermodynamics (n = 1), and the radiative heat law (n = 4). The relation between optimal profit and efficiency of an endoreversible Carnot engine is derived on the basis of the general heat-transfer law...
A performance analysis is performed on the air-standard Diesel cycle using finite-time thermodynamics. The relations between net work and/or power, efficiency, and compression ratio, and the maximum net work and/or power and the corresponding efficiency bound are derived for the cycle with heat-transfer considerations. Detailed numerical examples are given. The results obtained provide significant...
The performance of an endoreversible regenerative Brayton heat engine has been studied. The analysis is focused on minimizing irreversibilities associated with the hot and cold heat exchangers and regenerator.
The optimization problem of a combined refrigeration cycle formed by two endoreversible Carnot refrigeration cycles in series without intermediate reservoirs has been studied using finite-time thermodynamics. The fundamental relation between cooling quantity and coefficient of performance (COP) of the combined cycle is derived for a general physical model of a combined cycle. Relations are derived...
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