Improvement of Diesel Engine Performance in Plateau Based on Oxygenated Fuel of Polymethoxy Dibutyl Ether

CAO Siqi; LIU Yuqiang; ZHI Huaibin; JI Shude; KONG Xiangxin; HUANG Xu; AN Gaojun

doi:10.3969/j.issn.1001-2222.2020.05.007

Vehicle Engine ›› 2020, Vol. 0 ›› Issue (5) : 41-46. DOI: 10.3969/j.issn.1001-2222.2020.05.007

Improvement of Diesel Engine Performance in Plateau Based on Oxygenated Fuel of Polymethoxy Dibutyl Ether

CAO Siqi¹,LIU Yuqiang¹,ZHI Huaibin¹,JI Shude¹,KONG Xiangxin¹,HUANG Xu¹,AN Gaojun²

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Abstract

The performance of diesel engine was analyzed at 0 m, 3 700 m and 4 500 m on a plateausimulated test bench by using two different fuels of diesel and oxygenated fuel of polymethoxy dibutyl ether (DMB100). The results show that DMB100 can raise the lowspeed torque and torque backup coefficient effectively. DMB100 can also improve the specific energy consumption and specific air consumption due to its oxygenrich property. The abovementioned power and fuel economy characteristics of DMB100 were more evident at high altitude. Besides, DMB100 can improve the brake specific energy consumption and peak combustion pressure of diesel engine at partial load. The brake specific energy consumption improves obviously at low load, while the peak combustion pressure improves more obviously at high load.

Key words

diesel engine / oxygenated fuel / plateau test

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CAO Siqi,LIU Yuqiang,ZHI Huaibin,JI Shude,KONG Xiangxin,HUANG Xu,AN Gaojun. Improvement of Diesel Engine Performance in Plateau Based on Oxygenated Fuel of Polymethoxy Dibutyl Ether[J]. Vehicle Engine. 2020, 0(5): 41-46 https://doi.org/10.3969/j.issn.1001-2222.2020.05.007