Calculation of solidus and liquidus temperatures during multicomponent solidification -- CFD Online Discussion Forums

April 8, 2009, 06:32	Calculation of solidus and liquidus temperatures during multicomponent solidification	#1
luke.christ New Member Luke Christ Join Date: Apr 2009 Posts: 7 Rep Power: 17	Dear friends, I'm studying macrosegregation in casting process of steel using FLUENT. I have a problem with multicomponent solidification simulation. Firstly, it seems that equation (24.2-5) of user's manual is not correct. I think it should be 1/K instead of K. Secondly, it seems that FLUENT doesn't calculate solidus and liquidus temperatures by these equations at all! In a test, I used a solvent with just one solute with T_melt=1800, k=0.3 and m=-38, and the solidus temp. was about 1831! I retried using k=3 and m=-38 and the solidus temp. was about 1803. I really confused as I continued testing other possible values, as the calculated values are not in agree with the equations at all. I will be thankful if you can help me solving this problem.

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