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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Gray Enclosures & Shields
Category   : Radiation

Files Included:
  - gray_radiation.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 gray_radiation.f90 -o gray_radiation

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

  gray_radiation < input.txt

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3. Input Parameter Sequence
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Mode (1=Two-Surface Enclosure, 2=Radiation Shields)
Enclosure Geometry (1=Parallel Plates, 2=Concentric Cylinders, 3=Concentric Spheres)
Temperature T1 [Â°C]
Temperature T2 [Â°C]
Area A1 [m2]
Area A2 [m2]
Emissivity eps1
Emissivity eps2
View Factor F12

Website : https://thermofluidcalc.com
