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Pressure - Nozzle axis

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criv

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Joined
Jun 28, 2012
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Good morning (sorry for my english)
but I've this graph
jfu2t3eu4t8cq66j1og_thumb.jpg


It represent thrust coefficient vs epsilon (ratio area) parameterized by dead end pressure.

The green line is the perfect adaptation. I've these 4 points and I've to create a graph that will show how the pressure goes with the exit area regarding these 4 point.

This should be the solution.

2k40reqxgumx694v4chu_thumb.jpg


I don't understand point three and four. Can anyone help me??
 
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