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Forum: CFX

February 29, 2012, 01:19

Replies: 7

a problem of natural convection boundary conditions

Views: 3,222

Posted By xlworn

I've tried modeling full part of tank with a...

I've tried modeling full part of tank with a slender tube in it. Tank with 0.1*0.1*2, and tube with 6mm diameter, bouyance model concerned, water with constant properties, in transient calculation...

Forum: CFX

February 20, 2012, 01:47

Replies: 7

a problem of natural convection boundary conditions

Views: 3,222

Posted By xlworn

Rayleigh numeber is about 10^8, tube in the...

Rayleigh numeber is about 10^8, tube in the centre of the tank, other walls are adiabatic wall except the top free surface, and the surface don't move, at first i want to calculate without evaporate,...

Forum: CFX

February 19, 2012, 20:27

Replies: 7

a problem of natural convection boundary conditions

Views: 3,222

Posted By xlworn

Thank you very much. I will try to modeling with...

Thank you very much. I will try to modeling with full partition. The problem I want to simulate is a tank has a free surface in atmosphere pressure. What I concern about is in high rayleigh numbers，I...

Forum: CFX

February 19, 2012, 08:58

Replies: 7

a problem of natural convection boundary conditions

Views: 3,222

Posted By xlworn

a problem of natural convection boundary conditions

:confused:
http://img2081.poco.cn/mypoco/myphoto/20120219/21/6474248020120219212847055.png
I want to solve a problem like this，water in cylindrical tank at 293.15K，and a single tube located in the...

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