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  ThermoFluidCalc — Standalone Fortran Execution Guide
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Calculator : Compact Heat Exchanger Sizing
Category   : Exchangers

Files Included:
  - compact_hx.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 compact_hx.f90 -o compact_hx

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

  compact_hx < input.txt

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3. Input Parameter Sequence
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Surface type (1=Plain fin, 2=Louvered, 3=Offset strip, 4=Wavy)
Reynolds number Re_Dh
Hydraulic diameter Dh [m]
Frontal area ratio sigma (Ac/Afr)
Surface density alpha [m2/m3]
Total surface area A_tot [m2]
Flow length Lf [m]
Inlet hot temperature Thi [Â°C]
Inlet cold temperature Tci [Â°C]
Hot fluid capacity rate Ch [W/K]
Cold fluid capacity rate Cc [W/K]
Hot fluid Prandtl number Pr_h
Cold fluid Prandtl number Pr_c

Website : https://thermofluidcalc.com
