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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Pressurized Gas Vessel Transient Blowdown Sizer
Category   : Fluid-mechanics

Files Included:
  - pressurized_vessel_blowdown_transient.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 pressurized_vessel_blowdown_transient.f90 -o pressurized_vessel_blowdown_transient

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

  pressurized_vessel_blowdown_transient < input.txt

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3. Input Parameter Sequence
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Gas Type (1=Methane, 2=Nitrogen/Air, 3=Hydrogen, 4=CO2)\nInitial Pressure [bar abs]\nInitial Temperature [°C]\nVessel Volume [m³]\nBlowdown Orifice ID [mm]\nFlare Backpressure [bar abs]\nDischarge Coeff Cd\nTarget Pressure [bar abs]

Website : https://thermofluidcalc.com
