Typically, the exit pressure from a stage is ~ 2 times the entering pressure. A mol of hydrogen at 1 bar and 300 K is to be compressed to 300 bar and 300 K. We can cool the hydrogen to 300 K between stages using heat exchange with ambient air.
My question is How do we calculate the entropy production per mole of gas compressed in a continuous process as a function of the number of compression stages employed for the whole range, 1 stage to an infinite number of stages, using enthalpy pressure diagram.
We can assume a stage efficiency of 0.5 and ignore entropy recovery during heat exchange. Hydrogen can be assumed to be an ideal gas.
Many thanks,
Alise
My question is How do we calculate the entropy production per mole of gas compressed in a continuous process as a function of the number of compression stages employed for the whole range, 1 stage to an infinite number of stages, using enthalpy pressure diagram.
We can assume a stage efficiency of 0.5 and ignore entropy recovery during heat exchange. Hydrogen can be assumed to be an ideal gas.
Many thanks,
Alise
