Experimental investigation of atomization and combustion characteristics of high-pressure pulse sprays

被引：7

作者：

Yokoi, Satoki ^{[1
]}

Sugawara, Shota ^{[1
]}

Sagawa, Ryuichi ^{[1
]}

Saito, Yasuhiro ^{[1
]}

Matsushita, Yohsuke ^{[1
]}

Aoki, Hideyuki ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Chem Engn, Aoba Ku, 6-6-07 Aoba, Sendai, Miyagi 9808579, Japan

来源：

FUEL PROCESSING TECHNOLOGY | 2016年 / 148卷

关键词：

Spray combustion; Spray penetration; NOx reduction; Pulse spray; Common rail; PREMIXED FLAMES; DIESEL-ENGINE; LOW-NOX; INJECTION; EMISSIONS; CHEMILUMINESCENCE; IMPACT;

D O I：

10.1016/j.fuproc.2016.02.008

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This study investigated the effect of fuel injection pressure (20-80 MPa) on atomization and combustion characteristics using a stationary combustor with an intermittent supply of liquid fuel. In the atomization experiments, spray tip penetration and spray width increased, and the Sauter mean diameter of droplets decreased with an increase in the fuel injection pressure. In the combustion experiments, the OH emission intensity and combustion gas temperature upstream of the furnace increased with the fuel injection pressure, whereas nitrogen oxides emissions were reduced. The results demonstrate that high-pressure pulse spray combustion can reduce NOx emissions and enhance the combustion load by an increase in the fuel injection pressure. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：269 / 275

页数：7

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