Thanks everyone for the useful info. As Little Inch observed, I don't know much about steam, so this is just the info I was looking for. Pretty amazing how these forums work. I will start looking at steam tables and thermodynamic tables and doing some calculating.
We are injecting 230 deg C water at 275 atm into a small chamber with air at about 30 atm at about 500 deg C. Our thinking is that the water should be instantly turning to steam when leaving the injector nozzle. We expected to see a large increase in pressure due to the vaporization and...
