Experimental investigation of the influences of shape and surface area on the EGR cooler efficiency
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- 作者：Sanghoon Jang (1)
Sangki Park (2)
Kapseung Choi (1)
Hyungman Kim (1) mechkhm@inje.ac.kr - 刊名：Heat and Mass Transfer
- 出版年：2011
- 出版时间：June 2011
- 年：2011
- 卷：47
- 期：6
- 页码：621-628
- 全文大小：603.9 KB
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- 刊物类别：Engineering
- 刊物主题：Engineering Thermodynamics and Transport Phenomena
Industrial Chemistry and Chemical Engineering
Thermodynamics
Physics and Applied Physics in Engineering
Theoretical and Applied Mechanics
Engineering Fluid Dynamics - 出版者：Springer Berlin / Heidelberg
- ISSN：1432-1181
文摘
The cooled EGR system is one of the most effective techniques currently available for reducing NOx emissions. In this study, engine dynamometer experiments were performed to investigate the efficiencies of the shell and tube-type and stack-type EGR coolers. The results show that the heat exchange of the stack-type EGR cooler is much more effective than that of the shell and tube type because of the increased surface area and better mixing of the coolant flow, and also more PM is produced at low exhaust gas temperature than at high temperature.