Laminar or turbulent flows

Question

Laminar or turbulent flows

maaksvent (Civil/Environmental)

(OP)

1 Nov 13 09:39

Hello everybody!=)

Please help me. I can't find some materials, maybe calculation, comparison or something like this for laminar and lowturbulent flows in operationg room (hospitals). In different countries use different flows... and I want to writ about it...

bigears

Thanx!

chicopee (Mechanical) · Answer 1 · 2013-11-02 10:24:39

I think that you are making a mountain out of a mole hill by trying to figure out if you have laminar or turbulent flow. Design your exhaust system on industry standards which in your case would be hospital operating rooms for which I would expect that there are standards for air flow rates in surgical rooms and ducting systems. Whether these air flows are laminar or turbulent, in my mind, would be irrelevant.

maaksvent (Civil/Environmental) · Answer 2 · 2013-11-05 12:54:01

may be you're rigth, but it's very important to me to find this material... and no one can help me...

MikeHalloran (Mechanical) · Answer 3 · 2013-11-05 14:02:44

Your problem is that, for a large range of Re between the extremes, no calculation can predict whether a given flow will be laminar or turbulent. The wind does what it wants to do.

Mike Halloran
Pembroke Pines, FL, USA

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Laminar or turbulent flows