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Forum: CFX

October 14, 2015, 07:53

Replies: 4

Problem with Scale in Geometry

Views: 1,255

Posted By bejanyar

I have no idea what to do for this. :( :( I...

I have no idea what to do for this. :( :(
I know from tullis formula that if we decrease the size of a valve it's starting cavitation number will decrease too.
I chose pressure range from 105000...

Forum: CFX

October 14, 2015, 04:50

Replies: 4

Problem with Scale in Geometry

Views: 1,255

Posted By bejanyar

I used 105,000 to 300,000 pa for input pressure...

I used 105,000 to 300,000 pa for input pressure and 101325 pa for outlet pressure since after valve flow goes to the atmosphere.
For all 12 inch to 120 inch, I used these pressure boundary.
The...

Forum: CFX

October 13, 2015, 14:04

Replies: 4

Problem with Scale in Geometry

Views: 1,255

Posted By bejanyar

Problem with Scale in Geometry

Hello.
I have a new problem that is so strange.
I have a 120 inch Butter-fly valve.
I should study valve is size of 20 inch to 120 inch and find a difference in flow properties.
I use Scale...

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