Nozzle expansion ratio Calculator

The nozzle expansion ratio refers to the ratio of the area of the nozzle’s exit to the area of its throat. It’s a critical parameter in the design and performance analysis of nozzles used in various engineering applications, particularly in propulsion systems like rocket engines and gas turbines.

Where:

  • = Nozzle expansion ratio
  • = Exit area of the nozzle
  •  = Area of the throat of the nozzle

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