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김정석(J. S. Kim),이권재(K. J. Lee),백대성(D. S. Back),이상재(S. J. Lee),한화택(H. T. Han),이인복(I. B. Lee),한건수(G. S. Han) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.11
In the present study, the performance of the heat-pump using EES program has been compared with the experimental data of cooling, heating and defrosting conditions. The performance of the heat pump was measured by the calorimeter of an air enthalpy method. At the cooling, heating and defrosting conditions, the EES data of the capacity, the input power and COP were satisfied within 5% with those of the experimental data. The EES program developed in this study was found to use for the performance estimation of the heat pump.
이권재(K. J. Lee),김정석(J. S. Kim),백대성(D. S. Back),이상재(S. J. Lee),한화택(H. T. Han),이인복(I. B. Lee),한건수(G. S. Han) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.11
An experimental study has been performed to investigate the heating performance of the heat pump with the ventilation system under a heating condition. The heating performance of the heat pump were measured by the psychrometric calorimeter and were experimented at the heating standard condition of KS C 9306. Also, the heating performance was studied under the temperature conditions of the ventilation system along the temperature efficiency by using EES program. The heat pump with the ventilation system was higher about 1.5%~3% for the heating capacity and about 4%~9% for COP than that without the ventilation system. The effect of the effective enthalpy efficiency of the ventilation system was not significant for the heat pump performance.