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http://dx.doi.org/10.5855/ENERGY.2019.28.1.022

An Evaluation of Heating Performance of the Heat Pump System Using Wasted Heat from Thermal Effluent for Greenhouse Facilities in Jeju  

Moon, Sungbu (Department of Mechanical Engineering, Jeju National University)
Hyun, Myung-Taek (Department of Mechanical Engineering, Jeju National University)
Heo, Jaehyeok (New and Renewable Energy Institute, Korea Institute of Energy Research)
Lee, Dong-Won (New and Renewable Energy Institute, Korea Institute of Energy Research)
Lee, Yeon-Gun (Department of Nuclear and Energy Engineering, Jeju National University)
Publication Information
Abstract
A heat pump system using wasted heat from thermal effluent to supply the heating energy can reduce energy consumption and emissions of greenhouse gases by greenhouse facilities nearby. The Jeju National University consortium constructed a heat pump system using the thermal effluent from the Jeju thermal power plant of KOMIPO to provide with cool or hot water to greenhouse facilities located 3 km from the power station. In this paper, the system configuration of the heat pump system was summarized, and the results of operations for demonstration of a heating performance carried out during the winter season in 2018 were investigated. The preoperational tests proved that the water temperature drop through the pipeline transporting extracted heat was less than $2^{\circ}C$. The COP (coefficient of performance) of the heat pump was higher than 4.0, and hot water with the maximum temperature of $50^{\circ}C$ could be supplied to greenhouse facilities by utilizing wasted heat from thermal effluent.
Keywords
Thermal effluent; Jeju thermal power plant; Heat pump system; Heating performance; Temperature drop; COP;
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Times Cited By KSCI : 2  (Citation Analysis)
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