臺灣博碩士論文加值系統

本文應用田口方法導入Alpha型史特靈引擎指示必v最佳化模擬分析，分析參數包含加熱溫度、轉速、再生器多孔率、膨脹室缸徑、壓縮室缸徑、膨脹室活塞衝程以及壓縮室活塞衝程。訂定品質特性為引擎指示必v與選定理想機能為望大特性，實驗設計之直交表為田口式L18直交表，由數值實驗結果可求得控制因子影響力大小，並決定最佳設計之因子組合，透過變異數分析法探討各項因子之重要性，預測最佳組合與原始組合之S/N比，分析結果預測值與實際值誤差率約8%。
最後針對最佳設計之分析數據進行探討，並與原始設計分析之結果相互比較，結論為引擎指示必v由4.37W提升至6.43W，確實提高引擎指示必v。

Taguchi Method is used to optimize the indicated power of an alpha-type Stirling Engine. Parameters of simulation include temperature of hot end, rotational speed, the porosity of the regenerator, cylinder bore diameter of expansion space, cylinder bore diameter of compression space, piston stroke length of expansion space and piston stroke length of compression space. The indicated power is the quality characteristics and the ideal function is the larger the better. Taguchi’s orthogonal array used in this experiment is L18 orthogonal array. The influence of the control factors and the optimal set of the control factors can be determined by the numerical experiments. The importance of each factor and the S/N ratio between the predicted experiments and the original experiments can be investigated by the analysis of variance. The difference of the S/N ratio between predicted experiment and confirmation experiment is around 8%.
Finally, the numerical simulation of the optimal design compares with the results of original design. The indicated power for the optimal engine increases from 4.37W to 6.43W. It does improve the performance of the original engine.

目錄
摘要 i
Abstract iii
目錄 iv
圖目錄 vii
表目錄 x
符號說明 xi
第一章 前言 1
1.1 研究背景 1
1.2 研究的重要性 2
1.3 相關文獻回顧 3
1.4 論文內容 10
第二章 史特靈引擎介紹 11
2.1 史特靈引擎發展史概論 11
2.2 史特靈循環 12
2.3 史特靈引擎型式 13
2.4 史特靈引擎優點 15
2.5 史特靈引擎子系統 16
第三章 數值方法與基本假設 25
3.1 基本假設 25
3.2 統御方程式 26
3.3 數值模型說明 29
3.3.1 數值模型建構 29
3.3.2 邊界與起始條件 32
第四章 田口實驗設計法 44
4.1 實驗設計法 44
4.2 田口設計實驗法步驟 46
4.3 信號雜訊比 49
4.4 變異數分析 51
第五章 結果與討論 59
5.1 田口實驗分析 59
5.1.1 指示必v分析 59
5.1.2 變異數分析 60
5.1.3 最佳化結果討論 61
5.1.4 確認實驗 63
5.2 數值模擬結果與討論 64
5.2.1 最佳化結果討論 64
5.2.2 原始設計與最佳設計討論 66
第六章 結論與未來目標 89
6.1 結論 89
6.2 未來目標 90
參考文獻 92

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