Pipe Flow Calculations Forum

Thank you for your assistance. Hope you can find it. Will try on my side as well.

Thank you for receiving me in this forum. Need help to determine the time required to drain a pressurized tank. It's a 5 cubic meters tank, with air at 100 psi and need to drain to atmosphere through a 12 mm orifice. Problem is that the tank pressure will be gradually reduced as it is being drained,...