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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Real Gas Compressibility Factor Z
Category   : Tools

Files Included:
  - compressibility_z.f90 (Fortran 90/2008 Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have GNU Fortran (gfortran) or Intel Fortran (ifort) installed.
Run the following compilation command in your terminal:

  gfortran -O3 compressibility_z.f90 -o compressibility_z

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2. How to Execute
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Run the compiled binary and pipe the input.txt file into stdin:

  compressibility_z < input.txt

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3. Input Parameter Sequence
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Gas type (1=Nitrogen, 2=Oxygen, 3=CO2, 4=Methane, 5=Hydrogen, 6=Air, 7=Custom)
Temperature T [K]
Pressure P [MPa]
Custom critical temperature Tc [K]
Custom critical pressure Pc [MPa]
Custom acentric factor omega

Website : https://thermofluidcalc.com
