Abstract
Finite-time exergoeconomic performance of an irreversible constant temperature heat reservoir gas turbine closed-cycle cogeneration plant with heat resistance losses in heat exchangers and compression and expansion losses in compressors and turbines is investigated. Heat conductance allocations among hot-, cold- and consumer-side heat exchangers and pressure ratio of the compressor are optimized by taking the maximum profit rate as an objective. There exist a sole group of optimal heat conductance allocations among the three heat exchangers, an optimal pressure ratio of the compressor and an optimal consumer-side temperature, which leads to the maximum dimensionless profit rate.
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