Hot stream input:
Working fluid: air
Temp = 109.06 degrees Celsius
Pressure = 1.987 bar
mass flow rate = 353 kg/s
Cold stream input:
Working fluid: Iso-butane
Temp = 30 degrees Celsius
Pressure = 19.853 bar
mass flow rate = 59 kg/s
The goal is to obtain hot stream output temperature at 40.12 degrees Celsius and cold stream output temperature at 100 degrees Celsius!
You can modify the number of tubes, tube diameter, or shell diameter of HE; or else if possible in your requirement, try and introduce bypass streams to allow a portion of the hot or cold fluid to bypass the heat exchanger.. Additionally if required you can change the HE type or model that you are using. Otherwise try changing simulation settings or convergence criteria to potentially obtain a converged solution without changing the input stream parameters. This may require more iterations or stricter convergence tolerances.
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