articleInternational Communications in Heat and Mass TransferFeb 8, 2024HYBRID OA

Exploring mushy zone constant in enthalpy-porosity methodology for accurate modeling convection-diffusion solid-liquid phase change of calcium chloride hexahydrate

WYWei‐Biao YeMAMüslüm Arıcı

Xiangtan University · Kocaeli Üniversitesi

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Abstract

Mushy zone constant (Am) is a crucial parameter in the momentum source term of enthalpy-porosity technique for modeling convection-diffusion solid-liquid phase change. Literature survey on the computations of Am found that the oriented customizable approaches have not revealed it in detail. Although the literature conducted an attempt on Am relationship by investigating the unconstrained melting of Calcium Chloride Hexahydrate (CaCl2·6H2O), they failed to directly establish the correlation between Am and ΔT; where ΔT is the driving temperature difference, which denotes an excess temperature of the hot wall above melting point of the CaCl2·6H2O. In view of the shortcoming in the literature, the relationship…

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Topics & keywords

Topics
Keywords
  • Dimensionless quantity
  • Thermodynamics
  • Diffusion
  • Enthalpy
  • Porosity
  • Materials science
  • Constant (computer programming)
  • Grashof number
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