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MASOUD June 12, 2009 00:04
melting process for a pure substance
 
Dear all,
I need to know what are the solidus temperature and liquidus temperature for a pure substance??? Since beta is defined by (T-Ts)/(Tl-Ts), so if I use Ts=Tl=Tm, I will face to dividing bye zero. So what should I do?
regards
Masoud

chriss September 27, 2010 00:02
another equation
 
Dear Masoud

for pure substance, fluent use another equation for liquid fraction

MASOUD September 27, 2010 15:53
Quote:
Originally Posted by chriss (Post 276713)
Dear Masoud

for pure substance, fluent use another equation for liquid fraction
Dear Chris,

Would you please let me know where I can find it?

Regards

chriss September 27, 2010 17:54
Quote:
Originally Posted by MASOUD (Post 276828)
Dear Chris,

Would you please let me know where I can find it?

Regards
follow the reference:

V. R. Voller and C. Prakash. A Fixed-Grid Numerical Modeling Methodology for
Convection-Diffusion Mushy Region Phase-Change Problems. Int. J. Heat Mass
Transfer, 30:1709–1720, 1987.


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