scholarly journals On the solutions of a phase change problem with temperature-dependent thermal conductivity and specific heat

2020 ◽  
Vol 19 ◽  
pp. 103646
Author(s):  
Lazhar Bougoffa ◽  
Ammar Khanfer
Keyword(s):  
Thermal Conductivity ◽  
Phase Change ◽  
Specific Heat ◽  
Temperature Dependent ◽  
Temperature Dependent Thermal Conductivity ◽  
Change Problem

Phase Change Problems With Temperature-Dependent Thermal Conductivity

1974 ◽  
Vol 96 (2) ◽  
pp. 214-217 ◽  
Author(s):  
S. H. Cho ◽  
J. E. Sunderland
Keyword(s):  
Thermal Conductivity ◽  
Exact Solution ◽  
Phase Change ◽  
The Body ◽  
Temperature Dependent ◽  
Fusion Temperature ◽  
Infinite Body ◽  
A Value ◽  
Change Position ◽  
Temperature Dependent Thermal Conductivity

An exact solution is presented for the temperature distribution and phase change position of a semi-infinite body which is initially at a constant temperature different from the fusion temperature. The temperature of the free surface is instantaneously changed and held constant at a value that will cause either melting or solidification of the body. The thermal conductivity is assumed to vary linearly with temperature. The convection in the liquid phase due to density change is also considered.

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