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http://dx.doi.org/10.7316/KHNES.2015.26.3.278

Thermodynamic Performance Analysis of a Cogeneration System in Series Circuit Using Regenerative ORC  

KIM, KYOUNG HOON (Department of Mechanical Engineering, Kumoh National Institute of Technology)
PARK, BAE DUCK (Graduate School of Kumoh National Institute of Technology)
KIM, MAN-HOE (School of Mechanical Engineering, Kyungpook National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.26, no.3, 2015 , pp. 278-286 More about this Journal
Abstract
This paper presents the analytical results of the thermodynamic performance characteristics for a cogeneration system using regenerative organic Rankine cycle (ORC) driven by low-grade heat source. The combined heat and power cogeneration system consists of a regenerative superheated ORC and an additional process heater in a series circuit. Eight working fluids of R134a, R152a, propane, isobutane, butane, R245fa, R123, and isopentane are considered for the analysis. Special attention is paid to the effect of turbine inlet pressure on the system performance such as thermal input, net power and useful heat productions, electrical, thermal, and system efficiencies. The results show a significant effect of the turbine inlet pressure and selection of working fluid on the thermodynamic performance of the system.
Keywords
ORC; Combined heat and power(CHP); Series circuit; Working fluid; Thermodynamic performance;
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Times Cited By KSCI : 2  (Citation Analysis)
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