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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Heat Exchanger Fouling Factor
Category   : Tools

Files Included:
  - fouling_factor.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 fouling_factor.f90 -o fouling_factor

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

  fouling_factor < 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 (Hot side fluid preset ID (1=Distilled water, 2=River water, 3=Sea water, 4=Engine coolant, 5=Fuel oil, 6=Steam, 7=Air, 8=Organic solvents, 9=Light hydrocarbons, 10=Exhaust gas)): 1
  Line 2 (Cold side fluid preset ID): 1
  Line 3 (Clean overall heat transfer coefficient Uc [W/m2-K]): 1000.0

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