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研究生:許勝章
研究生(外文):Xu, Sheng-Zhang
論文名稱:改用液化石油氣對汽油引擎性能及排氣之影響
論文名稱(外文):Effects of Utilizing Liquefied Petroleum Gas on Engine Performance and Its Emissions
指導教授:周賢福
指導教授(外文):Zhou, Xian-Fu
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:機械工程研究所
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:1998
畢業學年度:86
語文別:中文
論文頁數:128
中文關鍵詞:運轉性能燃油消耗率液化石油氣引擎排氣機械工程工程
外文關鍵詞:Fuel consumption rateLiquefied petroleum gas (LPG)Engine emissionsMECHANICAL-ENGINEERINGENGINEERING
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One of the major factors influencing engine emissions is the formation and
accumulation of deposits in the engine by buring fuel. A feasible methodt
o reduce the emissions is to use a cleaner fuel such as liquefied petroleumga
s(LPG). The present research therefore focused on testing a gasoline/LPG due
l-fuelspark-ignited engine at various rotating speed and loading condition
s to determine the effects of LPG on engine performance and emissions. The e
nginetested is GA16DE ( New Sentra ). The fuels used in the engine were unle
aded gasoline grade 95 and liquefied petroleum gas(LPG)sold by the China Petro
leumCompany. The emission components measured include CO ,HC and NOx . F
uel consumption rate of the engine and economic benefits were also measured.
The experimental results showed that significant reduction in engine em
issions can be obtained by using LPG as the fuel. In general, the reducton ef
fects on the emissions decrease with increasing engine load. Amounts ofemi
ssion reduction range from 80% to 60% for CO, from 50% to 10% for HC, andfrom
70% to 30% for NOx, as the engine load increased from 25N-m to 75N-m.Theecono
mic benefits of using LPG could be much better than of the unleadedgasoli
ne, about making a 30% discount.
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