E3燃料應用於五期環保噴射機車汽油引擎性能影響之研究

The Study on the Effect of Using E3 Ethanol-gasoline fuel Gasoline to EFI Motorcycle Engine Performance

陳宗男(Tsung-Nan Chen)

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(2009年)

摘要

目前國內市售的酒精汽油油品特性，主要是以95無鉛汽油掺入3％生質酒精為主，本研究將以中國石油公司市售的92、95和98無鉛汽油與無水酒精調配而成酒精含量3%之酒精混合燃料，使用在一單缸四行程125cc燃油噴射機車引擎上，探討酒精在掺入不同辛烷值的汽油後對引擎性能、燃油消耗率和廢氣排放等之影響。其實驗結果顯示在92、95和98無鉛汽油中掺入3％無水酒精，對於引擎輸出功率分別下降8％、7％和6％，引擎輸出扭矩也分別減少5％、5％和4％，燃油消耗率分別增加12％、9％和5％，CO2排放濃度之平均值分別增加4％、2％和1％，但CO排放濃度之平均值分別減少11％、14％和15％，HC排放濃度之平均值分別減少13％、20％和19％。

關鍵字

E3燃料 ； 引擎性能 ； 燃料消耗率 ； 廢氣排放

並列摘要

In this study, 3 percent ethanol-gasoline fuel, prepared with ethanol and unleaded gasoline of octane numbers 92, 95, 98 from the China Petroleum Company (CPC) respectively, was investigated for the effect of ethanol addition on two-wheel engine performance, fuel consumption and exhaust emission. Gasoline and ethanol obtained for testing is commercial grade, and one single-cylinder four-stroke 125cc fuel injection engine is used in this study.
Compared to the unleaded gasoline sampled with octane numbers 92, 95, and 98, the results show that the blending with 3% ethanol decreased engine power by 8％, 7％ and 6％, and engine torque by 5％, 5％ and 4%, respectively. Examined in the manner, fuel efficiency was found enhanced by 12％, 9％ and 5％, while the increased amounts of CO2 exhaust emission were determined by 4％, 2％ and 1％. However, the decreasing of the CO exhaust emission was detected in the scales of 11％, 14％ and15％, and the HC exhaust emission in 13％、20％ and 19％, respectively.

並列關鍵字

E3 ethanol-gasoline fuel ； engine performance ； fuel efficiency ； exhaust emission

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