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Experimental Investigation of Direct Expansion Dynamic Ice-on-coil Storage System Used in Residential Buildings

机译:住宅建筑用直接膨胀动态冰上冰蓄冷系统的实验研究

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The reduction in electricity consumption of an ice-storage system in the daytime leads to financial savings for building owners and extension savings for a power plant and national economy. Great advancements have been made in domestic ice-storage systems due to the bigger peak-to-valley differences of electricity used in residential buildings. However, there are still some shortcomings that affect its widespread applications. The paper reports on an experimental investigation on a domestic direct expansion dynamic ice-on-coil storage system that overcame the disadvantages of static and dynamic ice-storage system. It is concluded that periodic ice moving avoids the increased heat resistance that creates a decreased evaporating temperature. Due to a better heat exchanger ability caused by the larger surface of sheet ice, steady and low chilled water temperature was directly extracted from an ice storage tank. The longitudinal and axial fin-added coils improved the COP of the refrigerating unit and ice-packing factors.
机译:白天,蓄冰系统的用电量减少,可为建筑物所有者节省资金,并为电厂和国民经济节省扩展费用。由于住宅建筑物中使用的峰谷电差异较大,因此家用蓄冰系统已取得了巨大进步。但是,仍有一些缺点影响其广泛的应用。本文报道了一项针对国内直接膨胀动态冰上冰存储系统的实验研究,该系统克服了静态和动态冰存储系统的缺点。结论是,周期性的冰运动避免了增加的耐热性,从而导致降低的蒸发温度。由于较大的片状冰表面导致更好的换热能力,因此可以直接从储冰罐中提取稳定且较低的冷冻水温度。纵向和轴向翅片盘管提高了制冷机组的COP和冰袋系数。

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