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http://dx.doi.org/10.5916/jkosme.2014.38.6.639

The effect of heat exchanger type for exhaust heat recovery system on diesel engine performance  

Kim, Cheol-Jeong (Department of Mechanical Engineering, Graduate School of Korea Maritime and Ocean University)
Choi, Byung-Chul (Ship & Plant Research Team, KR)
Park, Kweon-Ha (Division of Mechanical & Energy Systems Engineering, Korea Maritime University)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.38, no.6, 2014 , pp. 639-647 More about this Journal
Abstract
Due to global warming and depletion of fossil fuels, technologies reducing $CO_2$ emission and increasing fuel efficiency simultaneously are required. An exhaust gas heat recovery system is a technology to satisfy both issues. This study analyses three types of heat exchanger installed on an exhaust pipe. In case of plate type heat exchanger, back pressure rapidly increased and maximum cylinder pressure reduced in high speed and maximum load, and back pressure increased over twice and specific fuel consumption also increased up to 2% which were the highest increasing rate. In case of fin tube type, the amounts of exhaust emissions and specific fuel consumption rate were less than the other two types. The effect of shell and tube was in the middle. Making a decision by only the effect on engine performance, a fin tube type is the best for exhaust heat recovery systems.
Keywords
Exhaust heat recovery system; exhaust pressure; specific fuel consumption; exhaust emissions;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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