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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Convection Over a Sphere
Category   : Convection

Files Included:
  - sphere_convection.f90 (Fortran Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have a Fortran compiler installed (like gfortran).
Run the following compilation command in your terminal:

  gfortran -O3 sphere_convection.f90 -o sphere_convection

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

  sphere_convection < input.txt

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3. Input File Details
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The input file 'input.txt' contains sequential parameters separated by
newlines. Here is the structure of the included 'input.txt':

  Line 1 (Sphere diameter D [m]): 0.05
  Line 2 (Free stream velocity V [m/s]): 5.0
  Line 3 (Free stream temperature Tinf [C]): 25.0
  Line 4 (Surface temperature Ts [C]): 100.0
  Line 5 (Fluid type (1=Air, 2=Water, 3=Oil)): 1
  Line 6 (Custom density [kg/m3] (0=auto)): 0.0
  Line 7 (Custom viscosity [Pa-s] (0=auto)): 0.0
  Line 8 (Custom thermal conductivity [W/m-K] (0=auto)): 0.0
  Line 9 (Custom Prandtl number (0=auto)): 0.0
  Line 10 (Custom specific heat [J/kg-K] (0=auto)): 0.0
  Line 11 (Custom surface dynamic viscosity [Pa-s] (0=auto)): 0.0

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