Contribution to the study of periodical heat transfer in Stirling machines.

Contribution à l'étude des transferts de chaleur périodiques dans les machines de Stirling.

Type of article: Article

Summary

This study describes the problems in modelling and calculating convective heat fluxes between the gas and the side wall in the case of alternative open machines. Performances of Stirling machines depend on the simultaneous variations of internal pressure and enthalpy fluxes between the cylinders and the regenerator during cycles. An ordinary convective heat transfer model is incapable of describing heat transfer in reciprocating machines such as compressor and internal combustion engines considered as closed systems. Expressions of complex temperatures and convective heat transfer coefficients are developed from a simple conduction model. Comparisons between measured and calculated results are presented.

Details

Original title: Contribution à l'étude des transferts de chaleur périodiques dans les machines de Stirling.
Record ID : 1999-0122
Languages: French
Source: Entropie - vol. 33 - n. 206
Publication date: 1997
Document available for consultation in the library of the IIR headquarters only.

Links

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Indexing

Themes: Thermodynamic measurements;
Compressors;
Ejector systems, air cycle, Stirling cycle, other cycles)
Keywords: Calculation; Measurement; Heat transfer; Stirling; Modelling; Thermodynamic cycle