(adsbygoogle = window.adsbygoogle || []).push({}); Part one:

Supposed: A wind funnel. Circular Input radius = 600" Windspeed = 24 ft/sec

Air weight = 2 lbs/yd3 Circular Output radius = 60" Disregard = backpressure.

1 HP = 560 ft lb/ sec

Solve for = (1) Theoretical Wind speed at output (2) HP at output.

Part two:

Backpressure will limit air speed at output and restrict input. Using same input size as above, determine the smallest output diameter that would still allow available wind unrestricted flow through funnel. :surprised

Solve for = Output diameter.

Solve for = How did you determine Pressure and Back Pressure?

Thank you.

Ed Shaw

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Calculating output force of wind funnel

**Physics Forums | Science Articles, Homework Help, Discussion**