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[General] To calculate Reaction-Force on a nozzle by the massflow

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Old   July 14, 2019, 17:39
Question To calculate Reaction-Force on a nozzle by the massflow
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Harsha Vardhan
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I am trying to simulate a Convergent nozzle for my college project. I am using simscale for solving the problem and Paraview for post processing. Below are few details of problem.

Inlet radius-5cm.
outlet(nozzle outlet) radius-2.5cm.
Nozzle lenght 10cm.
Nozzle axis is 5deg out from Length axis.

Fluid domain is 0.5m in lenght.

KE turbulance model with incompressible solver.
velocity inlet-10m/s.
pressure outlet-ambient pressure.

The problem is.. I am not able to calculate the Reactionary forces on the nozzle(rho*A*v2). The forces calculated by simscale are pressure forces which i am not interested in. Can someone give the exact process to find out the same.

My idea was to find out the rho*A*v2 at the nozzle outlet using calculator and integrating variables command in paraview but I was not able to create a surface at the nozzle exit.
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