The changes in density appeares in the evolution of the temperature at the beginning and at the end of the melting process.
As you see in the picture below that i've shared the results of the experiment and the simulation are very good at the process of fusion but when it finished the curve of the simulation don't match with the experimental one.
concerning the effects of convection yes there's and approved in the experimental research.
In my model i utilised the green dashed line of the Cp property as you can see in the picture below.And you can remarque in this picture that after 36°C the Cp values decrease fastly so i supposed maybe this is the problem. So what should i do cuz i can't take another values of the Cp just like this.Is there a solution in fluent maybe i can do.
thank you sir for your interaction.This toke me a lot of time and i feel like exausted.
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