Pipe Flow Calculations Forum

Actually I'm trying to calculate how long it would take to empty this presurrized air tank through a pipe with con-div nozzle in the end of it, and yes I expect a fast velocity out of the nozzle, but I dont think it'll be higher than the speed of sound. If i'll have the discharge I can divide the vo...

Hey all, I really need help with this one: I have a tank in volume V which contains air, the pressure in the tank is X Kpa. from the tank there's a pipe, not sure what diameter yet, lets call it D. the pipe goes into a converging-diverging nozzle, and this nozzle is located inside a bigger pipe, so ...