Help Calculating time to recharge air tanks

[Michael Hill]

Originally Posted by GeeTwo

I'm not sure exactly what you're doing in your spreadsheet, but I certainly do find it suspicious that you wind up with a temperature of over 1000R (550F).

Yup there's a problem there. Didn't even notice it. The compressor gets hot, but not that hot.

My assumption is isentropic compression, but I obviously have a mistake in my math somewhere. That's what happens when you take someone who was once pretty good at aerodynamics and thermo and give them a job dealing with spacecraft...