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승도현(Dohyun Seung),최태규(Tae Gyu choi),이주혁(Joo Hyuk Lee),홍희기(Hiki Hong) 대한설비공학회 2019 대한설비공학회 학술발표대회논문집 Vol.2019 No.11
In this study, we are going to analyze the cooling capacity and COP of the solar power hybrid desiccant cooling system (HDCS), one of the heat-driven cooling systems, to conduct a demonstration of the system. The hybrid desiccant cooling system can be driven by relatively low-temperature heat sources and inserts a heat pump into the air-conditioning system, which has also succeeded in miniaturizing it through proper arrangement of evaporator and condenser. If the ambient air temperature is 32℃, the temperature of the storage top showed a cooling capacity of 12.49 ㎾ at 73℃ and COP was 5.4. Under the same outdoor conditions, cooling capacity and consumption power tended to increase as the temperature of the storage top decreased, and COP tended to decrease. In addition, if the temperature decreases, dehumidification does not occur due to the lack of regenerating of the dehumidification rotor. In such a case, the indirect evaporation cooler and the heat pump alone are used for cooling, and the cooling capacity and COPele are decreasing, but the consumption power is also significantly reduced.