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Notice that the pressure decreases as it flows to the right.

Total Pressure Contour Plot

Let's look at the total pressure in the nozzle

Display > Contours...

Select Pressure... and Total Pressure under Contours of. Select Filled. Use Levels of 100. Image Added
 
Click Display.

Mach Number Plot

As in the previous tutorials, we are going to plot the velocity along the centerline. However, this time, we are going to use the dimensionless Mach quantity.

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