Finite-time thermodynamic multi-objective optimizations for an irreversible simple Brayton refrigeration cycle based on four objectives, NASG-II algorithm and three decision-making strategies

Journal of Thermal Analysis and Calorimetry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

Language: Английский

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Power-consumption minimization for multistage sequential endoreversible heat-pump systems with complex heat-resistance model

Journal of Thermal Analysis and Calorimetry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 27, 2025

Language: Английский

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Exergy-based efficient ecological-function optimization for endoreversible Carnot refrigerators

Journal of Non-Equilibrium Thermodynamics, Journal Year: 2025, Volume and Issue: unknown

Published: March 12, 2025

Abstract Based on the definition of exergy-based efficient ecological-function (EEF) proposed in existing literature, which is product energy conversion coefficient-of-performance ( ɛ ) and E ), this paper will introduce EEF into performance optimization for Carnot refrigerator cycle. Via endoreversible model established previous expression derived based finite-time thermodynamic theory, relationships dimensionless versus cooling load R are studied, differences cycles at maximum EEF, , cooling-load conditions compared. The results demonstrate that parabolic-like ones; actual design, should be designed larger points. When taken as optimization-objective, although decreases slightly, increased, entropy-generation-rate σ greatly decreased, so does not only reflect compromise between but also .

Language: Английский

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Optimal performance of irreversible quantum Stirling refrigerator with extreme relativistic particles as working substance

Physica A Statistical Mechanics and its Applications, Journal Year: 2025, Volume and Issue: unknown, P. 130486 - 130486

Published: Feb. 1, 2025

Language: Английский

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