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노관종(Kwan-Jong Noh),김지영(Ji-Young Kim),강은철(Eun-Chul Kang),박희문(Hye-Moon Park),이의준(Euy-Joon Lee) 한국지열·수열에너지학회 2007 한국지열에너지학회논문집 Vol.3 No.1
A steady-state simulation model for Dual-Source Heat Pump(DSHP) of 8RT was presented. A Dual-Source Heat Pump(DSHP) has been designed to make up for the conventional air source heat pumps. The performance evaluation has been conducted under internal standard test conditions such as ISO-13256-1 and KS C 9300. However, as test conditions such as entering water, indoor and outdoor air conditions could not be controlled to satisfy the standard test conditions in outdoor tests, a series of experiments have been conducted with the actual test conditions. Then, computer models for DSHP could be used for the standard condition have developed using EES program. The model was developed from basic thermodynamic principles and heat transfer relations. Most of the parameters were obtained with EES from the actual catalog data. The simulation results were in good agreement with the experiments.
유성연(Seong-Yeon Yoo),한승호(Seung-Ho Han),이제묘(Je-Myo Lee),한규현(Kyou-Hyun Han),노관종(Kwan-Jong Noh) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
The peak demand of electricity in summer season mainly comes from the day time cooling loads. Ice thermal Storage System (ITSS) uses off-peak electricity at night time to make ice for the day time cooling. In order to maximize the use of cold storage in ITSS, the estimation of day time cooling load for the building is necessary. In this study, we present a method of cooling load estimation using 5 years of normalized outdoor temperature, relative humidity, and the building construction data. We applied the hourly-based estimation to a general hospital building with relatively less sudden heat exchange and the results are compared with the measured cooling load of the building. The results show that the cooling loads estimation depends on the indoor cooling design temperature of the building.