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http://dx.doi.org/10.5855/ENERGY.2012.21.4.393

Experimental Research on an Organic Rankine Cycle Using Engine Exhaust Gas  

Shin, Dong Gil (Department of Engine Research, Korea Institute of Machinery & Materials)
Publication Information
Journal of Energy Engineering / v.21, no.4, 2012 , pp. 393-397 More about this Journal
Abstract
In this study, an organic Rankine cycle(ORC) for gas engine waste heat recovery for industry has been constructed and a performance analysis test has been carried out. Shell & tube style heat exchanger has been equipped on an engine exhaust manifold in order to absorb heat of engine exhaust gas into the working fluid(refrigerant R134a). Under 60 kW of engine power output, about 63 kW of engine exhaust gas heat was discharged and the proportion of heat recovered was 68~73% while 43~46 kW of heat was absorbed into working fluid. Consequently rated power output of ORC was 4.6 kW while the ratio of rated power output to engine exhaust gas heat was 7.3%.
Keywords
Engine exhaust gas; waste heat recovery; organic Rankine cycle(ORC); Scroll expander; Thermal efficiency;
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