To complete the Nozzle inputs for our example please do the following:
- Enter 23.47 mm for the Nozzle Throat Diameter which we found in the projectile model in the model editor.
- Enter 6.7 deg for the Nozzle Exit Half Angle which can be found by looking at the projectile model in the model editor.
- Enter 56.388 mm for the Nozzle Area Ratio which can be found by looking at the nozzle section projectile model in the model editor.
- Enter 1 MPa for the Nozzle Closure Blowout Pressure
- Enter 0 for the Alignment Angle
- Enter 0.0013 mm/sec for the Erosion Rate
- Enter 0.000 for the Heat Transfer Coeff because we have no data on the heating rate of the case.
- Enter 0.000 for the Heat Sink Area
- Enter 1x10^30for the Heat Sink Capacity . A very large number is used to indicate the effect of this variable will not be considered.
The completed Nozzle Input Tab is shown below
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