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研究生:林強
研究生(外文):KeongLam
論文名稱:300-W級史特靈引擎理論模式與實作
論文名稱(外文):Theoretical Model and Manufacturing of a 300-W Stirling Engine
指導教授:鄭金祥
指導教授(外文):Chin-Hsiang Cheng
學位類別:碩士
校院名稱:國立成功大學
系所名稱:航空太空工程學系碩博士班
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
語文別:中文
論文頁數:91
中文關鍵詞:史特靈引擎非理想絕熱分析軸功性能量測設計
外文關鍵詞:Stirling engineNon-ideal adiabatic modelShaft powerPerformance testDesign
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  • 被引用被引用:2
  • 點閱點閱:214
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  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:0
本研究利用二階非理想絕熱分析法設計及製作300-W級史特靈引擎,並掌握高效能史特靈引擎效能提升的關鍵技術。本研究針對β型史特靈引擎做設計,因其機構緊湊,可有效減小引擎體積,相較於其它型引擎有較大的輸出功率。引擎的性能量測以轉速、扭力和輸出軸功為主,利用不同填充工作流體結合各種再生器,在不同引擎轉速之下觀察其性能差異。研究結果指出,再生器的選擇是影響史特靈引擎效率的關鍵。在相同填充壓力下,引擎的功率表現以利用氦氣作為工作流體比利用空氣的來得更好。在8 bar填充壓力、加熱溫度為850 ℃、120目孔質材料的再生器下,引擎的作功可達390 W,熱效率達32 %。此外,本研究的數值模擬結果符合實驗數據趨勢,可彌補實驗量測的不足,未來可利用此理論模型輔助設計更高功率的史特靈引擎。
In this study, a second order non-ideal adiabatic model is used to investigate the performance of a beta type 300-W Stirling engine. In this report, the outline of the engine design and the results of performance test are presented. Experiments are conducted with two different filling working gases (air and helium) and with various wire meshes that forms the regenerator. The torque, rotation speed and shaft power of the engine have been measured under various conditions. Results indicate that the power generated by filling helium as working fluid is larger than air. In addition, the efficiency of Stirling engine is highly dependent on the mesh of the woven mesh regenerator. As the filling pressure is elevated to 8 bar and a No.120 woven mesh is used to form the regenerator, the shaft power of the engine reaches 390 W. In addition, results of numerical simulation by the model developed in this study closely agree with the experimental data. This implies that the present theoretical model can be helpful and applied in the future development of an engine of higher capacity.
摘要 I
Abstract II
誌謝 III
目錄 IV
表目錄 VII
圖目錄 VIII
符號索引 XI
第一章 前言 1
1.1 研究動機 1
1.2 史特靈引擎發展概要 2
1.3 史特靈引擎的分類 3
1.3.1 α型史特靈引擎 4
1.3.2 β型史特靈引擎 4
1.3.3 γ型史特靈引擎 5
1.4 理想史特靈循環 5
1.5 實際史特靈循環 7
1.6 研究目的 7
第二章 引擎機構設計 9
2.1 機構選擇 9
2.2 設計概要 9
2.3 設計構想 9
2.3.1 熱交換器設計: 9
2.3.2 移氣器 10
2.3.3 活塞 11
2.3.4 連桿、飛輪和背壓室 11
2.3.5 密封元件 12
2.4 引擎組裝與測試 12
第三章 理論模式 13
3.1 引擎幾何參數 14
3.2 熱力學模式 16
3.2.1 理想絕熱分析 16
3.2.2 非理想絕熱分析 22
3.3 數值求解方法 27
3.4 基準組數值模擬結果 28
第四章 實驗設備與量測 30
4.1 實驗目的 30
4.2 量測之實驗設備 30
4.3 實驗步驟 32
第五章 結果與討論 34
5.1 實驗量測結果 34
5.1.1 空氣作為工作流體 34
5.1.2 氦氣作為工作流體 35
5.1.3 溫度對引擎性能的影響 37
5.1.4 實驗結果總結 38
5.2 理論模擬與實驗結果比較 38
第六章 結論 40
參考文獻 42
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[9] 林昱廷, 民國100年, 自由活塞式史特靈引擎之動態模擬與製作,碩士論文, 成功大學, 台南.
[10] Cheng, C. H., and Yang, H. S., Optimization of geometrical parameters for Stirling engines based on theoretical analysis, Applied Energy, 92, pp. 395-405.
[11] Kirkley, D. W., 1962, Determination of the optimum configuration for a Stirling engine, Journal of Mechanical Engineering Science, 4(3), pp. 204-212.
[12] Tanaka, M., Yamashita, I., and Chisaka, F., 1990, Flow and heat transfer characteristics of the Stirling engine regenerator in an oscillating flow, JSME International Journal. Ser. 2, 33(2), pp. 283-289.
[13] Organ, A. J., 1994, The wire mesh regenerator of the Stirling cycle machine, International Journal of Heat and Mass Transfer, 37(16), pp. 2525-2534.
[14] 楊燿禎, 民國98年, 小型史特靈發電機之設計及性能測試,碩士論文, 成功大學, 台南.
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