Experimental study on the characteristics of phase change materials as a cold storage method for refrigerant air dryers
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초록
This study examined the fundamental characteristics of phase change materials (PCMs) for the development of a novel refrigerant air dryer. The PCMs were used as a cold storage method in order to overcome the drawbacks associated with conventional energy-saving refrigerant air dryers. For this purpose, an experiment was performed on two types of PCMs with a test device capable of simulating the interior of a heat exchanger. During this study, it was found that both PCMs exhibited good performance and suitable properties, given that the temperature and volume changes were small during phase change, and that PCMs contain dissolved gas. PCM A exhibited superior performance as a cold storage method than PCM B when PCM A was completely frozen and proceeded to melt under general conditions. However, under the actual operating conditions of the air dryer, PCM B exhibited superior performance according to the operating temperature owing to the partial changes in phases of both PCMs.
Abstract
This study examined the fundamental characteristics of phase change materials (PCMs) for the development of a novel refrigerant air dryer. The PCMs were used as a cold storage method in order to overcome the drawbacks associated with conventional energy-saving refrigerant air dryers. For this purpose, an experiment was performed on two types of PCMs with a test device capable of simulating the interior of a heat exchanger. During this study, it was found that both PCMs exhibited good performance and suitable properties, given that the temperature and volume changes were small during phase change, and that PCMs contain dissolved gas. PCM A exhibited superior performance as a cold storage method than PCM B when PCM A was completely frozen and proceeded to melt under general conditions. However, under the actual operating conditions of the air dryer, PCM B exhibited superior performance according to the operating temperature owing to the partial changes in phases of both PCMs.
참고문헌 (5)
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