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Forum: Main CFD Forum

September 23, 2016, 16:43

Replies: 7

Unexpected Results

Views: 727

Posted By Jeffreyb723

So I understand the Reynolds number now and why...

So I understand the Reynolds number now and why it wasn't calculating correctly, but I'm still confused about my total head loss and how I could have 379.7 ft of loss in a 10 ft pipe.

Forum: Main CFD Forum

September 23, 2016, 16:31

Replies: 7

Unexpected Results

Views: 727

Posted By Jeffreyb723

to convert from lbs(weight) to slugs(mass), you...

to convert from lbs(weight) to slugs(mass), you multiply by 32.2 (slug*ft)/(lbs*sec²)

µ = 0.00002034 lbs*sec/ft² * 32.2 (slug*ft)/(lbs*sec²) = 0.000654948 slugs/(ft*sec), using the second value...

Forum: Main CFD Forum

September 23, 2016, 15:24

Replies: 7

Unexpected Results

Views: 727

Posted By Jeffreyb723

Because I have to use Imperial since I'm running...

Because I have to use Imperial since I'm running these calculations to explain to our shop workers (whom have no concept of SI at all) what they should be seeing. So instead of converting everything...

Forum: Main CFD Forum

September 23, 2016, 14:49

Replies: 7

Unexpected Results

Views: 727

Posted By Jeffreyb723

Thank you for the reply, that makes sense, to...

Thank you for the reply, that makes sense, to convert that to M/(L*t) you would need to multiply the viscosity number I had by gravity to convert the lbs to slugs:
(lbs*sec/ft²) * (ft/sec²) =...

Forum: Main CFD Forum

September 23, 2016, 14:06

Replies: 7

Unexpected Results

Views: 727

Posted By Jeffreyb723

Unexpected Results

Hello,

I've been trying to figure out and understand the formulas for calculating pressure drop in copper tubing and I'm getting unexpected results. I was wondering if someone could point out...

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