Thermodynamic analysis of a Stirling engine including dead volumes of hot space, cold space and regenerator

Bancha Kongtragool and Somchai Wongwises

Renewable Energy, 2006, vol. 31, issue 3, 345-359

Abstract: This paper provides a theoretical investigation on the thermodynamic analysis of a Stirling engine. An isothermal model is developed for an imperfect regeneration Stirling engine with dead volumes of hot space, cold space and regenerator that the regenerator effective temperature is an arithmetic mean of the heater and cooler temperature. Numerical simulation is performed and the effects of the regenerator effectiveness and dead volumes are studied. Results from this study indicate that the engine net work is affected by only the dead volumes while the heat input and engine efficiency are affected by both the regenerator effectiveness and dead volumes. The engine net work decreases with increasing dead volume. The heat input increases with increasing dead volume and decreasing regenerator effectiveness. The engine efficiency decreases with increasing dead volume and decreasing regenerator effectiveness.

Keywords: Stirling engine; Hot-air engine; Regenerative heat engine (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (34)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:31:y:2006:i:3:p:345-359

DOI: 10.1016/j.renene.2005.03.012

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