ArticleEntropy (Basel, Switzerland)2020
Performance of Universal Reciprocating Heat-Engine Cycle with Variable Specific Heats Ratio of Working Fluid.
Article in Entropy (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Four-Objective Optimization for an Irreversible Porous Medium Cycle with Linear Variation in Working Fluid's Specific Heat.Entropy (Basel, Switzerland) · 2022Article
- Multi-Objective Optimization of Braun-Type Exothermic Reactor for Ammonia Synthesis.Entropy (Basel, Switzerland) · 2021Article
- Modeling and Performance Optimization of an Irreversible Two-Stage Combined Thermal Brownian Heat Engine.Entropy (Basel, Switzerland) · 2021Article
- Power and Efficiency Optimization for Open Combined Regenerative Brayton and Inverse Brayton Cycles with Regeneration before the Inverse Cycle.Entropy (Basel, Switzerland) · 2020Article
- Constructal Design of Elliptical Cylinders with Heat Generating for Entropy Generation Minimization.Entropy (Basel, Switzerland) · 2020Article
- Optimal Power and Efficiency of Multi-Stage Endoreversible Quantum Carnot Heat Engine with Harmonic Oscillators at the Classical Limit.Entropy (Basel, Switzerland) · 2020Article
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5 authors.
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Abstract
Considering the finite time characteristic, heat transfer loss, friction loss and internal irreversibility loss, an air standard reciprocating heat-engine cycle model is founded by using finite time thermodynamics. The cycle model, which consists of two endothermic processes, two exothermic processes and two adiabatic processes, is well generalized. The performance parameters, including the power output and efficiency (PAE), are obtained. The PAE versus compression ratio relations are obtained by numerical computation. The impacts of variable specific heats ratio (SHR) of working fluid (WF) on universal cycle performances are analyzed and various special cycles are also discussed. The results include the PAE performance characteristics of various special cycles (including Miller, Dual, Atkinson, Brayton, Diesel and Otto cycles) when the SHR of WF is constant and variable (including the SHR varied with linear function (LF) and nonlinear function (NLF) of WF temperature). The maximum power outputs and the corresponding optimal compression ratios, as well as the maximum efficiencies and the corresponding optimal compression ratios for various special cycles with three SHR models are compared.
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