Abstract

Latent cool storage system for air conditioning is largely used in coolness systems. This system includes phase change materials (PCMs) contained in plate type capsules. Solidification of PCMs inside these capsules has been formulated by using a conduction model. An enthalpy method with finite control volume approach is used. This model has been validated by comparison with available experimental results of the literature. The model is then used for numerical study on ice banks of the parallel plate type. The temperature and enthalpy history, the heat flow rate and the evolution of the solidified mass fraction are presented and discussed. In the extreme conditions, complete loading of the cool storage tank is achieved within 3h 37 mn. 81% of loaded energy is done in 57% of the total solidification time.

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