臺灣博碩士論文加值系統

本研究主旨，在經由實驗了解燃料添加劑對引擎輸出馬力的影響，以增加對汽油燃料添加劑知識領域的認識。透過使用可編程電腦系統來改變特定轉速下，調整點火正時角度等改變來評估添加劑的功效變化。計畫透過五種參數設定來觀察實驗結果。
實驗參數包括：引擎轉速(5000 rpm、6000 rpm、7000 rpm)、燃料種類（汽油、汽油添加1%生質柴油與汽油添加2%生質柴油)、點火正時角度(BTDC 26°〜34°、BTDC 27°〜35°、BTDC 28°〜36°、BTDC 29°〜37°)、滾動阻力係數0.01與空燃比AFR 13.3的設定，來探討上述運轉參數對引擎輸出馬力與燃油消耗量之影響。
本研究以實驗方式在單缸四行程機車噴射引擎中使用市售92無鉛汽油(G100)，並在無鉛汽油中分別添加1％與2％之生質柴油，作為實驗燃料（GB1與GB2），在引擎轉速N=5000、6000、7000 rpm與空燃比控制在AFR=13.3等運轉條件下，進行點火正時角度對於引擎輸出馬力與燃油消耗量之影響，由實驗結果分析，以生質柴油作為汽油添加劑，在可編程電腦系統(aRacer RC1 Super)的協助下，在特定轉速範圍內，調整點火正時角度，並無法達到提升馬力、減少燃油消耗量的假設目標。

The purpose of this study is to understand the impact of fuel additives on engine output horsepower through experiments to increase understanding of the knowledge of gasoline fuel additives. Evaluate the efficacy of the additive by using a programmable computer system to change the specific speed and adjust the ignition timing angle. The program observes the experimental results through five parameter settings.
The experimental parameters include: engine speed (5000 rpm, 6000 rpm, 7000 rpm), fuel type (gasoline, gasoline added 1% biodiesel and gasoline added 2% biodiesel), ignition timing angle (BTDC 26°~ 34°, BTDC 27°~35°, BTDC 28°~36°, BTDC 29°~37°), rolling resistance coefficient 0.01 and air-fuel ratio AFR 13.3, to discuss the effect of the above operation on engine output horsepower and fuel consumption. .
In this study, commercially available 92 unleaded gasoline (G100) was used in a single-cylinder four-stroke machine jet engine, and 1% and 2% bio-diesel were added to unleaded gasoline as experimental fuels (GB1 and GB2). Under the operating conditions of engine speed N=5000, 6000, 7000 rpm and air-fuel ratio control under AFR=13.3, the influence of ignition timing angle on engine output horsepower and fuel consumption is analyzed by experimental results, using biodiesel as Gasoline additives, with the help of a programmable computer system (aRacer RC1 Super), adjust the ignition timing angle within a specific speed range, and fail to achieve the hypothetical goal of increasing horsepower and reducing fuel consumption.

摘要 i
Abstract ii
誌謝 iii
目錄 iv
表目錄 vii
圖目錄 viii
符號表 xii
第一章 緒論 1
1.1 前言 1
1.2 研究動機 2
1.3 研究方法 5
1.4 論文架構 5
第二章 文獻回顧 6
2.1 生質柴油(Biodiesel)之研究 6
2.2 生質柴油 7
2.2.1 生質柴油之特性 7
2.2.2 生質柴油的品質標準 9
2.2.3 生質柴油之製成 13
2.2.4 轉酯化反應(transesterification reaction) 14
2.3 燃料與燃燒之研究 17
2.3.1 汽油添加劑（生質柴油）混合燃料之燃燒特性分析 18
2.3.2 燃燒方程式 19
2.3.3空氣中氧含量 19
2.3.4 空燃比計算 20
2.3.5 火花點火引擎之點火特性分析 21
2.3.6 點火正時對引擎輸出特性的影響 22
第三章 實驗設備與實驗方法 24
3.1 實驗系統 24
3.1.1 引擎測試系統 25
3.1.2 aRracer RC1 Super可編程噴射電腦系統 27
3.1.3 機車磁粉式動力計 32
3.1.4 燃油噴射系統 33
3.2 實驗燃料 34
3.3 實驗參數 35
3.4 實驗環境 37
3.5 實驗步驟與方法 37
3.5.1 aRacer RC1 Super 可編程噴射電腦系統實驗步驟 41
3.5.2 機車磁粉式動力計實驗步驟 44
第四章 實驗結果與討論 53
4.1 引擎輸出馬力與點火正時角度量測圖表 53
4.2 引擎輸出馬力與點火正時角度在相同空燃比(AFR)下量測結果 54
4.2.1 在相同的空燃比下改變點火正時角度後，添加不同比例生質柴油混油比時引擎的輸出輸出馬力 54
4.3 燃油消耗量與點火正時角度在相同空燃比(AFR)下量測結果 66
4.3.1 在相同的空燃比下改變點火正時角度後，添加不同比例生質柴油混油比時引擎的燃油消耗量 66
第五章 結論與未來展望 73
5.1 結論 73
5.2 未來展望 74
參考文獻 76
附錄A 79
附錄B 82
附錄C 85

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