Effect of in-cylinder environment on spray characteristics of diesel and biodiesel

被引：5

作者：

Fu, Wei ^{[1
,2
]}

Li, Fengyu ^{[1
]}

Liu, Yanju ^{[1
]}

Meng, Kesheng ^{[1
]}

Lin, Qizhao ^{[1
]}

机构：

[1] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China

[2] Hefei Gen Machinery Res Inst, Hefei, Anhui, Peoples R China

来源：

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2023年 / 45卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Biodiesel; diesel; in-cylinder environment; spray; dimensionless numbers; COMBUSTION CHARACTERISTICS; FLAME CHARACTERISTICS; PRESSURE; EMISSION; ETHANOL; PERFORMANCE; REDUCTION; SURROGATE;

D O I：

10.1080/15567036.2019.1668503

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The objective of this paper is to investigate the spray characteristics of diesel and biodiesel in different in-cylinder environments, including spray tip penetration, spray cone angle, projected spray area, and spray tip velocity. The in-cylinder environment was set to two different ambient pressures and five temperature gradients. The results showed that both ambient pressure and temperature had a significant effect on the spray characteristics of diesel and biodiesel. Higher ambient temperatures under non-evaporating conditions increased the spray tip penetration and projected spray area of the fuel. Biodiesel in the same in-cylinder environment exhibited different spray characteristics due to different physical properties compared to diesel. In addition, the initial breakup mechanism of the spray was analyzed using dimensionless numbers.

引用

页码：3464 / 3474

页数：11

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