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Analysis of Thermal Performance of a Solar Heating & Cooling System  

Kwak, Hee-Youl (Korea Institute of Energy Research, Solar Thermal Research Center)
Shin, U-Cheul (Dept. of Architectural Engineering, Daejeon University)
Publication Information
Journal of the Korean Solar Energy Society / v.28, no.4, 2008 , pp. 43-49 More about this Journal
Abstract
The purpose of this study is to present the simulation results and an overview of the performance assessment of a solar heating & cooling system by means of the $200m^2$ evacuated tube solar collector. The simulation was carried out using the thermal simulation code TRNSYS with new model of a single-effect LiBr/$H_{2}O$ absorption chiller developed by this study. The calculation was performed for yearly long-term thermal performance and for two design factors: the solar hot water storage tank and the cold water storage tank. As a result, it was anticipated that the yearly mean system efficiency is 46.7% and the solar fraction for the heating, cooling and hot water supply are about 84.4 %, 41.7% and 72.4%, respectively.
Keywords
single-effect LiBr/$H_{2}O$ absorption chiller; TRNSYS simulation; Solar heating & cooling system;
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