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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Annular (Circular) Fin Efficiency
Category   : Conduction

Files Included:
  - annular_fin_efficiency.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 annular_fin_efficiency.f90 -o annular_fin

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

  annular_fin < input.txt

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3. Input Parameter Sequence
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Inner radius r1 [m]
Fin thickness t [m]
Corrected outer radius r2c [m]
Thermal conductivity k [W/m-K]
Convection coefficient h [W/m2-K]
Base temperature T0 [Â°C]
Ambient temperature Tinf [Â°C]

Website : https://thermofluidcalc.com
