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The Power Characteristics of a Stirling Heat Engine With Different Heat Transfer Laws

Guochang Liu

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Abstract

A model of a generalized irreversible Stirling heat engine is set up, the optimal performance of a Stirling heat engine with thermal resistance, heat leak and regenerative loss is studied. The optimal relation between the power and efficiency under heat leak by general heat transfer law is derived. The conclusions obtained here may provide the observed performance of a real heat engine and some new theoretical guidance for the manufacture and the optimal design of two-heat-source engines.

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What this paper is about

A model of a generalized irreversible Stirling heat engine is set up, the optimal performance of a Stirling heat engine with thermal resistance, heat leak and regenerative loss is studied. The optimal relation between the power and efficiency under heat leak by general heat transfer law is derived. The conclusions obtained here may provide the observed performance of a real heat engine and some new theoretical guidance for the manufacture and the optimal design of two-heat-source engines.

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Available abstract

A model of a generalized irreversible Stirling heat engine is set up, the optimal performance of a Stirling heat engine with thermal resistance, heat leak and regenerative loss is studied. The optimal relation between the power and efficiency under heat leak by general heat transfer law is derived. The conclusions obtained here may provide the observed performance of a real heat engine and some new theoretical guidance for the manufacture and the optimal design of two-heat-source engines.

Key concepts: Stirling engine, Heat engine, Heat transfer, Heat capacity rate, Stirling cycle, Heat sink, Thermal science, Thermodynamics

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