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http://dx.doi.org/10.3795/KSME-B.2012.36.9.937

Thermodynamic Analysis of Trilateral Cycle Applied to Exhaust Gas of Marine Diesel Engine  

Choi, Byung-Chul (Environment & Plant Team, Korean Register of Shipping)
Kim, Young-Min (Department of Engine Research, Korea Institute of Machinery & Materials)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.36, no.9, 2012 , pp. 937-944 More about this Journal
Abstract
The thermodynamic characteristics of a trilateral cycle with water as a working fluid have been theoretically investigated for an electric generation system to recover the waste heat of the exhaust gas from a diesel engine used for the propulsion of a large ship. As a result, when a heat source was given, the efficiencies of energy and exergy were maximized by the specific conditions of the pressure and mass flow rate for the working fluid at the turbine(expander) inlet. In this case, as the condensation temperature increased, the volume expansion ratio of the turbine could be reduced properly; however, the exergy loss of the heat source and exergy destruction of the condenser increased. Therefore, in order to recover the waste exergy from the topping cycle, the combined cycle with a bottoming cycle such as an organic Rankine cycle, which is utilized at relatively low temperatures, was found to be useful.
Keywords
Carnot Cycle; Trilateral Cycle; Bottoming Cycle; Combined Cycle;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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