Heat Engine Cycle Configurations for Maximum Work Output with Generalized Models of Reservoir Thermal Capacity and Heat Resistance

A class of two finite-heat-reservoir endoreversible heat engine with the generalized models of both the reservoir thermal capacities and heat resistances is investigated. The optimality condition for cycle maximum work output is derived by applying optimal control theory, and impacts of both thermal...

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Bibliographic Details
Published inJournal of non-equilibrium thermodynamics Vol. 47; no. 4; pp. 329 - 338
Main Authors Chen, Lingen, Xia, Shaojun
Format Journal Article
LanguageEnglish
Published Berlin De Gruyter 31.10.2022
Walter de Gruyter GmbH
Subjects
Configurations
Control theory
endoreversible heat engine
Engineering
finite thermal capacity
finite time thermodynamics
Heat engines
Heat resistance
Heat transfer
maximum work output
optimal configuration
Optimal control
Optimization
Phase transitions
Reservoirs
Specific heat
Thermal resistance
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ISSN0340-0204
1437-4358
DOI10.1515/jnet-2022-0029

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Summary:A class of two finite-heat-reservoir endoreversible heat engine with the generalized models of both the reservoir thermal capacities and heat resistances is investigated. The optimality condition for cycle maximum work output is derived by applying optimal control theory, and impacts of both thermal capacity characteristics of heat reservoirs and heat transfer laws on the optimal configurations are discussed. The results obtained in some previous researches are special cases of those obtained herein, which can provide some guidelines for optimal design of actual heat engines.
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ISSN:0340-0204
1437-4358
DOI:10.1515/jnet-2022-0029