燃料噴射壓力對B20花生油甲酯生質柴油引擎性能影響之研究

The Study on the Effect of Using B20 Peanut Oil Methyl Ester with Different Injection Pressure on DI Diesel Engine Performance

孫祿銘(Lu-Ming Sun)

指導教授 ： 林百福

國立臺北科技大學/機電學院/車輛工程系所/碩士(2008年)

摘要

利用不同生質柴油的種類和製程而得到的油品特性均有所差異，其中生質柴油的密度和動力黏度高低均與柴油引擎的燃料噴射壓力有關，而影響柴油引擎的性能、燃料消耗率和廢氣排放等，本研究使用B20花生油甲酯生質柴油在不同的燃料噴射壓力下所探討的結果顯示，燃料噴射壓力較低時，燃料消耗率、smoke和HC的排放濃度均分別減低4.96%、14.71%和15.36%，但NOx排放濃度增加7.09%。相反的，當燃料噴射壓力較高時，則燃料消耗率、smoke和HC的排放濃度分別增加2.78%、17.44%和21.30%，而NOx排放濃度減低12.71%。

關鍵字

B20花生油甲酯生質柴油 ； 燃料噴射壓力 ； 直噴式柴油引擎 ； 性能 ； 燃料消耗率 ； 廢氣排放 ； 燃燒特性

並列摘要

Each biodiesel characteristics that made from different bio-materials and processes are different; especially that fuel injection pressure for diesel engine is related to the biodiesel density and kinematic viscosity. And such characters effect engine performance, brake specific fuel consumption and exhaust gas emissions.
Thus, B20 peanut oil methyl ester with different fuel injection pressure is operated in this study. The experimental results demonstrated whenever fuel injection pressure is lower than original design, brake specific fuel consumption, the concentrations of smoke and HC emission are decreased 4.96%, 14.71% and 15.36%, respectively, but the concentration of NOx emission is increased 7.09%. On the other hand, the fuel injection pressure is higher, brake specific fuel consumption, the concentrations of smoke and HC emission are increased 2.78%, 17.44% and 21.30%, respectively, but the concentration of NOx emission is decreased 12.71%.

並列關鍵字

B20 Peanut Oil Methyl Ester ； Biodiesel ； Fuel Injection Pressure ； DI Diesel Engines ； Engine Performance ； Fuel Consumption ； Concentration of Exhaust Gas Emission ； Combustion Characteristic

參考文獻

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