Browse Publications Technical Papers 2007-01-3446
2007-08-05

Heat Exchange Efficiency Characteristics of EGR Cooler with Stack-Type or Shell &Tube-Type 2007-01-3446

The use of Exhaust Gas Recirculation (EGR) system has become a popular way for reducing NOx levels in internal combustion engine. Reducing NOx and PM emissions from diesel engine, and improving fuel consumption simultaneously are important in meeting government regulations and society needs. Recently, an important goal in diesel engine research is the development of means to reduce the emissions of NOx and PM. Cooled EGR system is one of the most effective techniques currently available for reducing NOx and PM emission in internal combustion. In particular, EGR system has the trade-off relation between NOx and PM emission, especially at high loads. In the present study, engine dynamometer experiments have been carried on the characteristics which improve heat exchange effectiveness of EGR cooler with shell & tube-type and stack-type. The heat exchange effectiveness has been experimentally examined with shell & tube-type and stack-type of EGR cooler and compared the performance characteristics of two types.

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