Components of Jet Engines - Design Procedure

Design Procedure

  • Step-1 Determine nozzle throat diameter:

Mass flow parameter

Assume value of CD and calculate actual flow area required and on Area ratio calculate the exit area of nozzle.

  • Step-2 Determine velocity coefficient:

Using gas table using Critical Area ratio calculate Mach no and Pressure ratio

Calculate ideal exit velocity

Calculate actual exit velocity

Calculate velocity coefficient

  • Step 3 – Nozzle performance assessment:

Calculate Nozzle thrust coefficient

Calculate gross thrust

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