Abstract
This paper describes our solutions to several problems of Stirling engine simulations which has been applied to the engine design. We made a 0.2KW Stirling engine and measurement system, and examined differences between both data from experiments and from simulations. The computer simulation models selected for the evaluation are as follows:— Five-space model, where state of working gas is assumed to be uniform within each four heater, cooler and cylinder spaces (eleven differential equations were calculated) .— Adiabatic model, which is the same as Schmidt model except adiabatic changes occur in an expansion and a compression space.Cyclic variation amplitudes of a working gas temperature and pressure are shown to be greater when calculated by computer simulations. We solved that the differences were caused by the lack of a space division especially in the regenerator space. By using a model with 37 spaces the differences were greatly reduced.
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