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研究生:張育誠
研究生(外文):Yu-Cherng Chang
論文名稱:柴油機燃料添加二次丙基二醇之研究
論文名稱(外文):A Study on Using Dipropylene Glycol Blended Diesel Fuel for a Diesel Engine
指導教授:鄭 元 良林 成 原
指導教授(外文):Yuan-Liang JengCherng-Yuan Lin
學位類別:碩士
校院名稱:國立海洋大學
系所名稱:機械與輪機工程學系
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:1999
畢業學年度:87
語文別:中文
中文關鍵詞:二次丙基二醇柴油引擎替代燃料廢氣排放乳化油
外文關鍵詞:Dipropylene GlycolDiesel EngineAlternative FuelExhaust EmssionsEmulsified Fuel
相關次數:
  • 被引用被引用:9
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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:1
人類文明進步對於能源的使用率增加,造成全球空氣污染日趨惡化,已經嚴重對人體健康及生態環境造成威脅。有鑑於此,世界各國之環保組織已有所警覺,將空氣污染排放標準日益升高。柴油引擎具有諸多優點並且數量眾多,其廢氣排放乃因燃燒碳氫燃料所致。為了有效控制柴油引擎之污染,改善廢氣排放之研究就變得迫切重要,使用替代性燃料現今已被國內外認為可行有效之方法。在評估各種可能替代性燃料的安全性、價格、毒性等因素後,認為屬富氧燃料之二次丙基二醇為一具發展潛力之替代性燃料。
因此本論文擬在柴油中添加不同比例之二次丙基二醇作為燃料,進行柴油引擎測試,研究對於柴油引擎油耗及各項廢氣排放之影響。其他之變動參數包括柴油乳化油之摻水量比例、引擎轉速、及扭力等。實驗結果顯示,氮氧化物隨著引擎轉速提高而降低,且當二次丙基二醇比例增加時,曲線有先升高後下降之趨勢。在一氧化碳方面,則隨著轉速及二次丙基二醇比例提高而增多。當摻水量與二次丙基二醇比例較高時,容易造成柴油引擎爆震現象。
The increasing usage of energy resources with the civilization progress of mankind has resulted in the increasingly serious problem of global air pollution. This endangers the ecological environment and the health of human beings. Aware of this, international organizations of environment protection have raised the standard of combustion emissions. The advantages of higher power output and sturdiness in structure for diesel engines have lead to popular applications for diesel engines. The exhaust emissions of diesel engines are originated from combustion of fuel. In order to control effectively the pollution from diesel engines, it is imminently important in making efforts to improve the exhaust emissions for diesel engines. It has been considered an effective and feasible way to improve combustion emissions by using alternative fuels. After evaluating the safety, price, and toxicity of numerous possible alternative fuels, dipropylene glycol is considered as bearing high potential of development.
It is therefore the goal of this thesis to study the effects of fuel consumption and emission characteristics for diesel engines by using diesel oil blended with different proportions of dipropylene glycol as the fuel. Other parameters, like the fraction of water added in the emulsified fuel oils, engine speed, and torque, are also varied during the experiments. The experimental results show that nitrogen oxides(NOx) is reduced with the increase of the engine speed. Moreover, the curves of NOx appear to increase and then decrease with the increase of dipropylene glycol proportion in the emulsified oil. As for the carbon monoxide emission, the exhaust concentration significantly increases with the engine speed and the proportion of dipropylene glycol. The phenomena of diesel-knocking is observed when the emulsified oil contains a higher fraction of dipropylene glycol or water.
目 錄
誌謝.................................................................................. i
摘要(中)....................................................................... ii
摘要(英)....................................................................... iii
目錄.................................................................................... iv
表索引................................................................................ vi
圖索引................................................................................ vii
第一章 前言...................................................................... 1
第二章 理論背景............................................................. 5
2-1柴油引擎廢氣排放種類及對生態環境的影響 5
2-2著火延遲因素....................................................... 9
2-3乳化油燃料........................................................... 10
2-4引擎基本操作參數.............................................. 13
第三章 實驗設備與方法................................................ 17
3-1實驗設備與儀器.................................................. 17
3-2乳化燃油性質...................................................... 21
3-3實驗方法............................................................... 22
3-4乳化燃油之準備.................................................. 26
3-5實驗步驟............................................................... 27
第四章 實驗結果與討論............................................... 31
第五章 結論與建議........................................................ 53
5-1結論....................................................................... 53
5-2建議....................................................................... 54
參考文獻.......................................................................... 55
附表................................................................................... 61
附圖................................................................................... 68
附錄..................................................................................117
參考文獻
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2. Kerminen, V. M., et al., "Characterization of the Particulate Phase in the Exhaust from a Diesel Car," Environmental Science and Technology, Vol. 31(7), pp. 1883-1889, Jul. 1997.
3. IMO, Regulations for the Prevention of Air Pollution from Ships, London, 1998.
4. Nil, "NOx Reduction Technology Challenges Marine Diesel Builders," Diesel and Gas Turbine Worldwide, Vol. 29(7), pp. 30-34, Sep. 1997.
5. Wilson, K., "Reducing Emission: The Effects on Shipowners," Diesel and Gas Turbine Worldwide, pp. 28-30, Sep. 1996.
6. Parker, K. R., "Technological Advances in High-Efficiency Particulate Collection," Proc. Instn. Mech. Engrs., Vol. 211(A), pp. 53-65, 1997.
7. 橫田久司,???-???車??排出???粒子狀物質?削減技術?現狀?實用化??課題,資源環境對策,Vol. 33(12), pp. 39-45, Dec. 1997.
8. James, A. H., and Agosta, V., "Effects of Emulsified Fuel on Combustion in a Four-Stroke Diesel Engine," Journal of Ship Research, Vol. 35(4), pp. 356-363, Dec. 1991.
9. Green, R., and Pearce, S., "Alternative Transport Fuels," Energy World, Vol. 222, pp. 8-11, Oct. 1994.
10. Rideout, G., Kirshenblatt, M., and Prakash, C., "Emission from Methanol, Ethanol, and Diesel Powered Urban Transient Buses," SAE Paper No. 942261, 1994.
11. Spataru, A., and Roming, C., "Emission and Engines Performance from Blends of Soya and Canola Methyl esters with ARB#2 Diesel in a DCC 6V92TA MUI Engine," SAE Paper No. 952388, 1995.
12. Bailey, B., et al., "Diethyl Ether(DEE)as a Renewable Diesel Fuel," SAE Paper No. 972978, 1997.
13. Fleisch, T., et al., "A New Clean Diesel Technology: Demonstration of ULEV Emission on a Navistar Diesel Engine Fueled with Dimethyl Ether," SAE Paper No. 950061, 1995.
14. Kapus, P., and Ofner, H., "Development of Fuel Injection Equipment and Combustion System for DI Diesel Operated on Dimethyl Ether," SAE Paper No. 950062, 1995.
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