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Analysis on ice-storage mechanism and simulation for an immersion evaporative coil.

Number: pap. ID: 519

Author(s) : LI L., WANG F., WU H., et al.

Summary

This paper is analyzed the mechanism of ice growth process for an immersion evaporative coil which is used in a small energy storage air-conditioning unit. Ice formation outside the evaporator coil tube consists of two parts: the crystallization process and freezing process. The crystallization process consists of the induced phase, the crystal growth stage and the crystal regeneration stage. The freezing process is divided into the initial cooling stage, the non-restricted ice phase, the limited ice phase and the process of the sensible heat of pure ice cooling. Then by using fluent software, simulate the process of static ice storage in the ice storage tank under the circumstances of natural convection. The results of the simulation offer some improvement suggestions to the testing system. Through the use of immersion evaporator coil added intermittent disturbance model to enhance water side heat transfer, or increasing the ice storage capacity at night using the valley power to meet the changing needs of unit load during the day, let the test of the experimental system be closer to the application of heat storage unit.

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Pages: 7 p.

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Details

  • Original title: Analysis on ice-storage mechanism and simulation for an immersion evaporative coil.
  • Record ID : 30002019
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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