How to find the HX LMTD if one fluid is undergone evaporation + super heat?

i.e let water boils at 100 °C and super heated to 120 °C. Other fluid is sensibly cooled, let say from 300 °C to 150 °C. If the Heat exchanger (HX) is counter flow how to find the LMTD?

24 September 2019 6,528 2 View