Dear All,
I've got Ethylene gas at 15 deg C and 12 Kg/cm2(g) pressure and I'm letting it down to 1.5 Kg/cm2 (g). I'm trying to calculate the auto refrigeration of Ethylene at 1.5 kg/cm2 which I got from Hysys as -76 deg C. I think this temperatue is quite low. I've checked the P-H diagram and...