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Forum: Main CFD Forum

February 19, 2013, 17:32

Replies: 6

Turbulent Kinetic Energy

Views: 2,321

Posted By rietuk

That makes sense, thank you The experiment...

That makes sense, thank you

The experiment has an average velocity of 1m/s to give the Reynolds number of 40000

To match this Reynolds number the CFD average velocity is 15m/s

How do I...

Forum: Main CFD Forum

February 19, 2013, 15:39

Replies: 6

Turbulent Kinetic Energy

Views: 2,321

Posted By rietuk

Ok From CFD I have Turbulent Kinetic Energy in...

Ok
From CFD I have Turbulent Kinetic Energy in J/Kg

From experimental I have RMS of fluctuating velocitities u~, v~ and w~, all squared and multiplied the sum by 0.5 to give k.

Is the k...

Forum: Main CFD Forum

February 19, 2013, 14:45

Replies: 6

Turbulent Kinetic Energy

Views: 2,321

Posted By rietuk

Hi, So if I have the RMS of the fluctuating...

Hi,
So if I have the RMS of the fluctuating components does this equal the u'2 etc. as you mentioned or is it or does it need squaring to equal that?

Thanks for your reply

Forum: Main CFD Forum

February 19, 2013, 12:25

Replies: 6

Turbulent Kinetic Energy

Views: 2,321

Posted By rietuk

Turbulent Kinetic Energy

Hi,
I am conducting a CFD validation against some experimental data.
I am trying to compare turbulent kinetic energy as I am given the RMS of the fluctuating components for the 3 directions in an...

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