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GSR(Gas Side Resistance)모델 시뮬레이션을 적용한 데시컨트 휠의 제습성능 예측
박명현(Myeong Hyeon Park),이상헌(Sang Hun Lee),김용찬(Yongchan Kim) 대한설비공학회 2020 대한설비공학회 학술발표대회논문집 Vol.2020 No.6
In this study, a dehumidification performance simulation model is developed for desiccant wheel based on the Gas Side Resistance (GSR) model. A sine wave single-channel with silica-gel is chosen as a simulation model, and a finite difference method is introduced to solve one-dimensional heat and mass transfer equations. The simulation results according to the cycle of the desiccant wheel are compared with the experimental results, and 2% mean error is shown. A simulation of the desiccant wheel is performed under the conditions of a regeneration time of 256s and a dehumidification time of 256s. In the regeneration section, wet air flows into the desiccant wheel at an absolute humidity of 0.01930 ㎏·㎏<SUP>-1</SUP>, and gradually decreases after showing a maximum value of 0.03541 ㎏·㎏<SUP>-1</SUP>. In the dehumidification process, wet air flows into the desiccant wheel at an absolute humidity of 0.01930 ㎏·㎏<SUP>-1</SUP> and increases gradually after showing a minimum value of 0.00701 ㎏·㎏<SUP>-1</SUP>. In addition, the simulation of the present study closely replicates the saturation phenomenon and the equilibrium state between the desiccant wheel and wet air.