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Forum: FLUENT

February 12, 2013, 04:52

Replies: 15

Turorials on pipe flow

Views: 6,562

Posted By ghost82

Hi! it is not correct if you simulate it as a...

Hi!
it is not correct if you simulate it as a 2d planar problem; in 2d planar you are simulating a squared-rectangular base conduct with a depth equal to the value you set in the reference values...

Forum: FLUENT

January 15, 2012, 09:40

Replies: 15

Turorials on pipe flow

Views: 6,562

Posted By ghost82

You can estimate the length for fully developed...

You can estimate the length for fully developed flow in pipe:
for laminar flows:
El=0.06*Re
le=El*d

for turbulent flows:
El=4.4*Re^(1/6)
le=El*d

Where:

Forum: FLUENT

January 14, 2012, 03:41

Replies: 15

Turorials on pipe flow

Views: 6,562

Posted By ghost82

You should obtain the same results with all...

You should obtain the same results with all simulations.
The less expensive in termes of computational cost is the 2d axisymmetric.
If you want to draw 1/4 pipe, in gambit you can draw the full...

Forum: FLUENT

January 13, 2012, 11:36

Replies: 15

Turorials on pipe flow

Views: 6,562

Posted By ghost82

well, you can draw and simulate: 1- a 2d...

well, you can draw and simulate:
1- a 2d axisymmetric tube, by drawing 4 points (2 for the axis and 2 for the upper part of the tube), create edges and the surface, mesh it and apply boundary...

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