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Yongchen Song

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates


Gender:Male
Alma Mater:大连理工大学
Degree:Doctoral Degree
School/Department:能源与动力学院
Discipline:Energy and Environmental Engineering
Business Address:能动大楼810
Contact Information:songyc@dlut.edu.cn
E-Mail:songyc@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

直喷式柴油机喷油特性的测试分析

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Indexed by:期刊论文

Date of Publication:2004-06-01

Journal:农业机械学报

Included Journals:PKU、ISTIC、CSCD

Volume:35

Issue:3

Page Number:37-40

ISSN No.:1000-1298

Key Words:直接喷射柴油机;喷油特性;喷油率;测试

Abstract:为分析柴油机的燃烧过程和性能,在喷油泵试验台上用W. Bosch长管法研究了喷油过程.介绍了试验装置和原理,分析了测试精度.试验结果表明: 喷油管内气泡产生与压力波尾部形状有关;长管内残余压力很低,燃油声速接近理论声速;喷油率图近似于梯形,燃油喷射呈"先急后缓"的特征;喷油压力、喷油始点、喷油持续角和喷油率均取决于柴油机转速和负荷.