An experimental study on removal of exhaust gas recirculation cooler fouling using washer fluid steam

被引：8

作者：

Woo, Seungchul ^{[1
]}

Park, Sangki ^{[1
]}

Shon, Jungwook ^{[2
]}

Lee, Kihyung ^{[1
]}

机构：

[1] Hanyang Univ, Dept Mech Engn, 1271 Sa3 Dong, Ansan 426791, Gyeonggi Do, South Korea

[2] Hanon Syst, Powertrain HEX Team, 95 Sinilseo Ro, Daejeon, South Korea

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2017年 / 108卷

基金：

新加坡国家研究基金会;

关键词：

EGR cooler; Fouling; Diesel engine; Particulate matter; Soot; Steam soot blower; EMISSIONS; EGR;

D O I：

10.1016/j.ijheatmasstransfer.2016.12.009

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Lowering the temperature of recirculated gas in an exhaust gas recirculation (EGR) system reduces the emission of nitrogen oxide (NOx). However, the EGR cooler can become polluted by PM in recirculated EGR gas, which reduces the cooling efficiency and the gas flow rate. A steam EGR cooler fouling remover (SECFR) system was designed using evaporated washer fluid to remove fouling on the cooler surface. However, the injection pressure is only 5 bar, which is not sufficient to atomize the washer fluid. Therefore, in this study, an impinging plate was used to promote the atomization of sprayed washer fluid, and the droplet area ratio (DAR) and droplet uniformity index (DUI) were measured through quantitative analysis of high-speed images. Finally, the performance. of the SECFR system was evaluated in a real diesel engine. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：301 / 308

页数：8

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