Recent content by cowpup

Thanks, I'll try that. As far as defining "protection", under 1cfm of air permeability is generally considered insensible for windchill.

I have been out of school a long time, so please go easy on me. If the answer is an equation with symbols or letters, could you please help define them for me? I am trying to calculate the windspeed flowing through a tube with circular opening that is 38cm2 when the vacuum creating the...