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Influence of PM fouling on effectiveness of heat exchanges in a diesel engine with fin-type EGR coolers of different sizes |
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| Authors: | Sangki Park Kapseung Choi Hyungman Kim Kihyung Lee |
| Institution: | 1. Department of Mechanical Engineering, Graduate School of Hanyang University, Hanyang University, 1271 Sa1-dong, Sangrok-gu, Gyeonggi-do, 426-791, Korea 2. Department of Mechanical Engineering, High Safety Vehicle Core Technology Research Center, Inje University, 607 Obang-Dong, Gimhae-si, Gyongsangnam-do, 621-749, Korea 3. Department of Mechanical Engineering, Hanyang University, 1271 Sa1-dong, Sangrok-gu, Gyeonggi-do, 426-791, Korea |
| Abstract: | The particulate matter (PM) fouling in exhaust gas recirculation (EGR) coolers degrades the heat transfer performance considerably, which in turn has a significant influence on the design of the EGR cooler. To investigate the effects of PM fouling on the heat exchange effectiveness in the fin-type EGR coolers of six different sizes, engine dynamometer experiments were performed. The experimental results show that the heat exchange effectiveness varies with the size of the fin-type EGR cooler. |
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