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modeling equilibrium state of 2-phase saturated nitrogen |
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April 11, 2011, 02:22 |
modeling equilibrium state of 2-phase saturated nitrogen
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#1 |
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muyongbin
Join Date: Apr 2011
Posts: 2
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hello alls
hope you have a good day. I want to model a equilibrium state of the 2-phase saturated nitrogen using CFX recently , but no idea how to do that. problem description: a cooper bar is inserted into a pressure vessel which is colsed and full of liquid nitrogen initially . all boundary congditions are adiabatic except two planes: the top of the bar keeping the constant temperature 300K ,and the bottom of the vessel keeping 70K. so heat leak into the vessel and go out through bottom . that lead to pressure , level state in a equilibrium. I only interested in the steady modeling . who have experience in modeling such a phenomenon, please give me some suggestions. best regards, mu I appreciate giving a email to me muyongbin@163.com |
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April 11, 2011, 06:23 |
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#2 |
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Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,703
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This would be very hard to model in CFD. If you are interested in the final steady state answer I would try to simplify it down to a 1D model and use matlab or a fortran program to solve it. Is that possible?
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April 12, 2011, 01:17 |
thanks ghorrocks
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#3 |
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muyongbin
Join Date: Apr 2011
Posts: 2
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thanks ghorrocks
it can not be simplydied to 1D . as it is just one part of an integral problem in practice best regards mu |
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cfx two phase |
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