In order to improve the performance of a free-piston Stirling engine by means of a thermodynamic design optimization, it is important to quantify the entropy productions related to the different causes of irreversibility typical of these machines. This is done in the present paper, where the entropy generated in the various engine components is calculated applying the energy and entropy balance equations and assuming for the engine behaviour description a mathematical model presented in past studies. The developed methodology is applied to the Sunpower RE-1000 engine for which it allows the most important causes of energy loss to be singled out.
The Influence of Thermodynamic Losses on Free-Piston Stirling Engine Performance
DE MONTE, FILIPPO;
1995-01-01
Abstract
In order to improve the performance of a free-piston Stirling engine by means of a thermodynamic design optimization, it is important to quantify the entropy productions related to the different causes of irreversibility typical of these machines. This is done in the present paper, where the entropy generated in the various engine components is calculated applying the energy and entropy balance equations and assuming for the engine behaviour description a mathematical model presented in past studies. The developed methodology is applied to the Sunpower RE-1000 engine for which it allows the most important causes of energy loss to be singled out.Pubblicazioni consigliate
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