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研究生: 洪翊凱
Hung, Yi-Kai
論文名稱: 林邦史特靈引擎之設計與動力模式
Design and Dynamic Model of a Ringbom Stirling Engine
指導教授: 鄭金祥
Cheng, Chin-Hsian​g
學位類別: 碩士
Master
系所名稱: 工學院 - 航空太空工程學系
Department of Aeronautics & Astronautics
論文出版年: 2012
畢業學年度: 100
語文別: 中文
論文頁數: 70
中文關鍵詞: 林邦史特靈引擎熱力模式動力模式動態模擬
外文關鍵詞: Ringbom Stirling engine, Dynamic model, Thermodynamic model
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  • 本研究主要以可自動啟動之林邦史特靈引擎的設計開發為目標,整合所需之設計概念。另外,本研究利用舒密特模型以及動力方程式來模擬出林邦史特靈引擎(Ringbom Stirling engine)啟動時的移氣器位移、飛輪轉速以及其輸出功率變化。在飛輪轉速方面由於不必使用固定速度假設,飛輪轉速乃由零開始運轉,因此動態模擬更接近實際的情況。本研究可以得出林邦史特靈引擎的PV(壓力-體積)圖,顯示與理想的史特靈循環的不同,並得出活塞位移和移氣器位移之相位差。最後由改變飛輪慣量、熱端溫度、飛輪的曲柄半徑、移氣器的質量以及移氣器中央軸半徑作參數分析,探討相位角對於輸出功率之影響,找出林邦史特靈引擎合適的操作範圍。

    This study is aimed at design a automatically-driven Ringbom Stirling.engine.Two types of engines,Type1 and 2, have been developed.Type 2 has been driven automatically.
    This study is aimed at numerical simulation Ringbom Stirling engines by combining a thermodynamic and a dynamic models. Numerical predictions of the motion of displacer, angular speed of flywheel, and power output of the engine are carried out. Meanwhile, a parametric study has been performed to evaluate the dependence of engine performance on inertia of the flywheel,temperature in expansion chamber, eccentricity of the flywheel,mass of the displacer,and radius of the central bar of displacer. From the parametric study, the optimal phase angle of displacement is found as a function of the temperature in the expansion chamber,and the operating range of this Ringbom Stirling engine is found.

    第一章 前言 1 1.1 研究背景 1 1.2 史特靈引擎介紹 2 1.2.1 史特靈循環 2 1.2.2 史特靈引擎機構分類 4 1.3 林邦史特靈引擎介紹 5 1.4 研究目的 7 第二章 機構設計 9 2.1 設計原理 9 2.2 零件設計 11 2.3 原型機組立 13 2.4 測試結果 14 第三章 熱力及動力模擬 16 3.1 動力模式 16 3.1.1 移氣器位移 16 3.1.2 碰撞處理 18 3.1.3 活塞及連桿分析 19 3.1.4 飛輪動力分析 20 3.2 熱力模式 23 3.3 引擎輸出功率與引擎轉速 24 第四章 結果與討論 26 4.1 基準組參數模擬 26 4.1.1 活塞及移氣器位移 26 4.1.2 壓力變化 27 4.1.3 轉速變化 27 4.1.4 引擎PV循環圖 28 4.2 不同參數下引擎性能分析 28 4.2.1 飛輪慣量對引擎的影響 29 4.2.2 熱端溫度對引擎的影響 29 4.2.3 曲柄軸半徑對引擎影響 31 4.2.4 移氣器質量對引擎的影響 32 4.2.5 移氣器中央軸半徑對引擎的影響 33 4.2.6 相位角對輸出功率影響 33 4.2.7 摩擦轉矩係數(Cfr)決定 35 第五章 結論 36 參考文獻 38

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