Investigation of effects of ignition improvers on ignition delay time of ethanol combustion with rapid compression and expansion machine
Conference proceedings article
ผู้เขียน/บรรณาธิการ
กลุ่มสาขาการวิจัยเชิงกลยุทธ์
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รายละเอียดสำหรับงานพิมพ์
รายชื่อผู้แต่ง: Munsin R., Laoonual Y., Jugjai S., Matsuki M., Kosaka H.
ผู้เผยแพร่: Hindawi
ปีที่เผยแพร่ (ค.ศ.): 2012
นอก: 0146-9428
eISSN: 1745-4557
ภาษา: English-Great Britain (EN-GB)
บทคัดย่อ
This work investigates the effects of ignition improvers on the ignition and combustion characteristics of hydrous ethanol with 5% by weight water and 1% by weight Lauric acid (Eh95) under simulated diesel engine conditions using the rapid compression and expansion machine (RCEM). Results indicate that hydrous ethanol with commercial additive (ED95) and hydrous ethanol with 5% by weight glycerol ethoxylate in hydrous ethanol exhibit a near identical rate-of-pressure-rise and heat release rate. Ignition delay of hydrous ethanol with 5% by weight glycerol ethoxylate is shorter, but hydrous ethanol with 1% by weight glycerol ethoxylate has longer ignition delay time and different combustion characteristics compared with hydrous ethanol with commercial additive (ED95). Hydrous ethanol with 1% by weight glycerol ethoxylate and hydrous ethanol with 5% by weight glycerol ethoxylate are considered suitable fuels for high compression-ratio diesel engines. Ignition and combustion characteristics of hydrous ethanol with 5% by weight DEE and hydrous ethanol with 5% by weight biodiesel are similar to hydrous ethanol with 5% by weight water and 1% by weight Lauric acid (Eh95), with the longest ignition delay and the highest peak rate-of-pressure-rise of tested fuels. Copyright ฉ 2012 SAE International.
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