本論文探討脈衝管史特靈引擎之運作原理以建立熱力理論模式，同時並以設計製造脈衝管史特靈引擎之原型機並進行性能量測為目標。在熱力理論模式中，將引擎分成五個工作腔室，分別為汽缸、連接管、加熱器、再生加熱室、冷卻器，探討各腔室內的質量、壓力及溫度的變化，並考慮引擎工作流體在各腔室內所造成的壓力損失，完成脈衝管史特靈引擎之預測模式。利用所建立之熱力理論模式，可模擬引擎在不同操作條件與設計參數下的性能。此外，在原型機的性能測試方面，發現此脈衝管史特靈引擎原型機在使用一大氣壓之空氣為工作氣體，且加熱溫度為1000°C 時，引擎功率可達約7.85 W。另外，在不同加熱溫度下進行原型機性能量測，並將實驗數據與數值模擬結果相互驗證，發現理論預測與實驗結果的趨勢相當吻合，誤差僅5%以內。

This thesis is intended for investigation of operating principle and thermodynamic model of pulse-tube Stirling engines. In parallel, a prototype engine is built and the performance testing for this prototype engine has been conducted. In the thermodynamic model, the engine is divided into five chambers for analysis, namely cylinder, connecting tube, heater, regenerative heater and cooler. In the model, effects of the heat losses and pressure losses are considered. Instantaneous heat transfer rates, temperatures, pressures and masses of air in all the chambers are predicted by the model. A parametric study of the effects of influential operating and geometrical parameters has been performed. Meanwhile, the numerical predictions by the theoretical model have been compared with the performance testing data. A close agreement with a relative error less than 5% between the numerical and the experimental data has been found. Based on the experiments, the prototype Pulse-tube Stirling engine is successfully designed and built. At 1-atm pressure and 1000°C heating temperature, an engine power of 7.85 W is observed.

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