Flow around a cylinder

mvaz · April 3, 2009, 14:53

Hy guys ...
I am trying to use FLuent to get Cd around a cylinder, the Re = 150 and the viscous model is Laminar, but the result is different of experimental result. The simulation get a Cd = 1.1 but the real Cd = 1.5.
Can anybody help me?

Thank you.

devesh.baghel · April 4, 2009, 04:49

hello MVAZ

can you please give some more information about your problem:
1. you are using Circular Cylinder or Square Cylinder ? with dimensions i.e. Diameter or size ?
2. size of the flow domain around cylinder (If you are considering Un-Confined Flow)
3. Fluid using for simulation i.e. AIR, WATER etc....

Regards
Dev.....

mvaz · April 6, 2009, 13:11

Hi Dev, how are you?
Well ..
I am using a circular cylinder with diameter = 1m
The domain is a rectangle with 55mx50m
The fluid is air with default properties.

Can you help me?

Thank you.

April 3, 2009, 14:53	Flow around a cylinder	#1
mvaz New Member Fabio Moraes Join Date: Apr 2009 Posts: 2 Rep Power: 0	Hy guys ... I am trying to use FLuent to get Cd around a cylinder, the Re = 150 and the viscous model is Laminar, but the result is different of experimental result. The simulation get a Cd = 1.1 but the real Cd = 1.5. Can anybody help me? Thank you.

April 4, 2009, 04:49	Flow around cylinder	#2
devesh.baghel Member Devesh Baghel Join Date: Mar 2009 Posts: 84 Rep Power: 17	hello MVAZ can you please give some more information about your problem: 1. you are using Circular Cylinder or Square Cylinder ? with dimensions i.e. Diameter or size ? 2. size of the *flow domain around cylinder* (If you are considering Un-Confined Flow) 3. Fluid using for simulation i.e. AIR, WATER etc.... Regards Dev.....

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April 6, 2009, 13:11		#3
mvaz New Member Fabio Moraes Join Date: Apr 2009 Posts: 2 Rep Power: 0	Hi Dev, how are you? Well .. I am using a circular cylinder with diameter = 1m The domain is a rectangle with 55mx50m The fluid is air with default properties. Can you help me? Thank you.