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¹ßÇàÇÐȸ : Çѱ¹»êÇбâ¼úÇÐȸ [The Korea Academia-industrial cooperation Society]
¹ßÇàÁ¤º¸ : Çѱ¹»êÇбâ¼úÇÐȸ³í¹®Áö Á¦ 9±Ç 3È£ pp.587-592(6 pages)
¹ßÇà³âµµ : 2008
ÀúÀ۽ñâ : 2008³â
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Abstract
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In order to investigate the p
erformance of an internal heat exchanger for CO©ü refrigerant system, the experiment was performed. Four kinds of internal heat exchangers(IHX) were used. The effects on the IHX length, the number of tube, the operating condition and the type of IHX were investigated. With increasing of the IHX length, the capacity and efficiency increased. The pressure drop of the low-side was larger compared with that of the high-side. As the temperature of the gas cooler increased, the capacity and efficiency increased linearly. The operation condition of evaporator was suggested as two phase region rather than superheat region. The capacity and efficiency of the micro-channel was larger about 90% and 75% than those of the tube. But the pressure drop of the micro-channel was more larger, compared with that of the tube. (ÀÌÇÏ »ý·«)
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