# Graph plot between Pressure ratio and constant span

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May 12, 2023, 08:38
Graph plot between Pressure ratio and constant span
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Sushil chaudhary
Join Date: May 2023
Posts: 3
Rep Power: 3
Does anyone have an idea how to calculate the inlet and outlet pressure at constant span (Lets say at 0.2,0.4,0.6,0.8,1.0)?
If I am able to calculate the inlet and outlet pressure at given span then I will be able to calculate the pressure ratio and plot the graph between pressure ratio and normalized span. Please help me out.
CFD analysis of axial flow compressor
I'm using ANSYS CFX - CFD POST
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 May 15, 2023, 03:50 #2 New Member   Yuanhua Liu Join Date: Dec 2021 Posts: 3 Rep Power: 4 Many ways to do this. For me, I prefer this way: Insert two Plane at some axial position you like as inlet and outlet. Locatio-ISO clip select the plane you interted, select the virable "Radius", insert the uppon bound and the lower bound. For example, the hub is at R = 0.1 and the shroud is R = 0.2, so the 10% span is Radius>= 0.1 and Radius <= 0.11 It is more efficient to use CCL in command editor

 Tags ansys 11, axial compressor rotor 37, cfd - post, turbo machinery

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