I need to find the optimum time to start deicing process for LNG Air vaporizer
Can any one give me some advise? or a program that can help solving transient heat transfer by using a simulation. cuz my teacher dont let me to use hand calculation or excel


Here is some detail: Inlet LNG 1 mole at -162 degree C to be vaporized by any kind of ambient air vaporizer to 30 degree C.
I need to answer
1. how much the ice would be formed according to wind speed 5 mph at 35 degree C for regular air vaporizer and forced air vaporizer
2. When shall we stop vaporizer to deice?