Abstract
일반적인 냉각 과정에 적용되는 이차 냉매로서 아이스슬러리 적용 기술이 최근 개발되고 있다. 아이스슬러리는 액체와 거의 동일한 특성을 가지고 있고, 단위 체적당 아이스슬러리의 에너지용량이 얼음 입자의 잠열로 인해 냉각수나 브라인에 비해 상당히 높지만 파이프를 통해서 잘 유동시킬 수 있다. 아이스슬러리를 적용하는 냉각시스템의 설계를 위한 기초 결과를 제시하기 위하여, 쇼케이스의 냉각 코일에 아이스슬러리를 적용하는 실험을 수행하였다. 냉각 코일 입구에서의 아이스슬러리의 온도가 R22에 비하여 적어도 <TEX>$5^{\circ}C$</TEX> 정도 높지만, R22를 적용하는 냉각시스템에 비하여 동등한 열적 성능을 가지고 있었다. A promising alternative technology is the potential use of ice slurries as a secondary refrigerant in conventional cooling process. Ice slurries behave almost like a liquid and can be pumped through pipes although the energy capacity of ice slurries per unit volume is considerably higher than that for chilled water or brine due to the latent heat capacity of the ice particles. To give the basic data for the design of cooling systems using ice slurries, experimental study has been conducted to find out the performance of the cooling coil of show-case with ice slurries. Despite the fact that ice slurries entering the cooling coil had at least <TEX>$5^{\circ}C$</TEX> higher temperature than that of R22, it was still capable of providing a similar cooling performance than that obtained with R22.
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