Film cooling Calculator

Engineers use film cooling to shield surfaces from high temperatures, often in applications with combustion gases or hot fluids. It involves the introduction of a thin layer of cooler fluid (commonly air or a fuel-rich mixture) over the surface to create a protective barrier.

Where:

  • is the temperature of the surface being cooled,
  • is the temperature of the coolant (film),
  • is the temperature of the free stream (far away from the surface).

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