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- Title
Finite-time exergoeconomic performance of a generalized irreversible Carnot heat engine with complex heat transfer law.
- Authors
Jun Li; Lingen Chen; Yanlin Ge; Fengrui Sun
- Abstract
The finite time exergoeconomic performance of the generalized irreversible Carnot heat engine with the losses of heat resistance, heat leakage and internal irreversibility, and with a complex heat transfer law, including generalized convective heat transfer law and generalized radiative heat transfer law, q ∝ (ΔTn )m , is investigated in this paper. The focus of this paper is to obtain the compromised optimization between economics (profit) and the energy utilization factor (efficiency) for the generalized irreversible Carnot heat engine, by searching the optimum efficiency at maximum profit, which is termed as the finite time exergoeconomic performance bound. The obtained results include those obtained in many literatures and can provide some theoretical guidelines for the design of practical heat engines.
- Subjects
CARNOT cycle; THERMODYNAMIC cycles; HEAT engines; HEAT transfer; HIGH temperatures
- Publication
International Journal of Energy & Environment, 2015, Vol 6, Issue 5, p517
- ISSN
2076-2895
- Publication type
Article