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김만회,Kim, Man-Hoe 대한기계학회 1998 大韓機械學會論文集B Vol.22 No.1
The performance evaluation of a residential split system inverter air-conditioner has been conducted analytically and experimentally at different system operating conditions. A simulation program for modelling an air-conditioning system which consists of a compressor, a condenser, a capillary tube, an evaporator and related attachments was developed on the basis of the Oak Ridge heat pump design model, MARK III. The accuracy of the simulation results for the compressor frequencies of 32, 68 and 79 Hz for the residential split system inverter air-conditioner has been estimated by comparing calculation results to the experimental data and parametric study has been performed to investigate the effect of design parameters and operation conditions on the system performance.
R22 대체냉매 에어컨의 동적 특성에 대한 실험적 연구
김만회,Kim, Man-Hoe 대한기계학회 1998 大韓機械學會論文集B Vol.22 No.3
This study presents experimental results on the shut-down and start-up characteristics of a residential split-system air-conditioner with capillary tube, using R410A as a R22 alternative refrigerant. During shut-down, the transient characteristics are evaluated by measuring the high side and low side pressures and temperatures of the system. The dynamic behavior of the system after start-up is also investigated at the high temperature cooling test condition. All experiments are performed in psychrometric calorimeter. The cooling capacity, power consumption, dehumidification capacity and cycle characteristics after start-up are analyzed.