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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: tauqirnawaz

Forum: CFX April 28, 2012, 06:25

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz So this means we can use Swirl Number to quantify... So this means we can use Swirl Number to quantify the flow and Vortisity to predict the direction?

Forum: CFX April 27, 2012, 07:03

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Thank you Ghorrocks, please find the corrected... Thank you Ghorrocks, please find the corrected formula below; areaInt(Density*(X^2+Z^2)*sqrt(Velocity v^2)*sqrt((Velocity u^2)+(Velocity w^2)))@Plane 1/(maxVal(sqrt(X^2+Z^2))@Plane...

Forum: CFX April 26, 2012, 10:49

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Agree that abs() function would do the same... Agree that abs() function would do the same thing. As regards square of radius, it comes from the formula quoted earlier and I have used sqrt(X^2+Z^2) to calculate radius. Also sqrt((Velocity...

Forum: CFX April 26, 2012, 03:29

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz You have to divide the equation by 1[m] to make... You have to divide the equation by 1[m] to make it dimensionless because when you take max value of the radius; the output you get is dimensionless in CFX. If you do not divide by the unit 1[m], the...

Forum: CFX April 25, 2012, 06:10

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Agreed the correct equation is... Agreed the correct equation is http://www.cfd-online.com/Forums/attachment.php?attachmentid=12718&stc=1&d=1335348574 areaInt(Density*(sqrt(X^2+Z^2))^2*sqrt(Velocity v^2)*sqrt((Velocity...

Forum: CFX April 12, 2012, 07:52

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Did you check it in CFX or is it a guess? Did you check it in CFX or is it a guess?

Forum: CFX March 16, 2012, 04:20

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Safia, I normally use these expressions for... Safia, I normally use these expressions for the calculation of swirl at pump suction (i.e. stationery frame of reference), to adjust the blade angles. Never used them for the rotating frames.

Forum: CFX March 15, 2012, 04:56

Replies: 23 Quantifying the swirl in CFX, Swirl Number/Swirl Angle Views: 24,509 Posted By tauqirnawaz Quantifying the swirl in CFX, Swirl Number/Swirl Angle [Note: It might be the case that this information has already been shared on the CFX forum but this is an effort to bring it under one thread.] Quantifying swirl becomes very important in some...

Showing results 1 to 8 of 8

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