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Forum: CFX

Today, 18:27

Replies: 38

Propeller simulation not matching experimental data

Views: 410

Posted By ghorrocks

As the rotation speed increases the boundary...

As the rotation speed increases the boundary layers will get thinner and the flow more turbulent (at least in the trailing section of the foil), and the turbulence transition point will move closer...

Forum: CFX

Today, 10:50

Replies: 38

Propeller simulation not matching experimental data

Views: 410

Posted By keg504

RPM variation

I ran the simulations using the best grid I have, and I'm getting a systematic error of at least 15%, decreasing as the RPM gets lower. It's around 5% at 1606 RPM, but the next point at 2273 after is...

Forum: CFX

Yesterday, 22:48

Replies: 1

Frame Change Interface Location Between Rotating and Stationary Blades

Posted By ghorrocks

Have you tried using a frozen rotor interface?...

Have you tried using a frozen rotor interface? You can somewhat account for the frozen rotor's simplification of just modelling a single point in the rotation by sweeping it across a full pitch. Or...

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