Thread: New Product Change Sun 10 blade 70mm
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Old Oct 11, 2012, 06:32 PM
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Joined Nov 1999
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Originally Posted by Odysis View Post
The relationship between CFM (volumetric flow) and efflux velocity is, wait for it, exhaust area.


Volumetric flow = velocity * area. Units of volume / time. We use m3/s, yanks use CFM.
So, efflux velocity * exhaust area = ..... ta da!

Has anyone here read Stu's threads on fan design? They're easily accessible, and explain a lot...
+1, the exhaust area is the ultimate area measurment in fan calculaton if you use an exhaust tube, if you dont use an exhaust tube the 100% Fan Swept Area is = 62mm outlet size for CS70mm.

Eric B.
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Last edited by AirX; Oct 11, 2012 at 06:38 PM. Reason: Spelling
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