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2d DFBI rotation momentum report in 3d terms

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Old   November 16, 2022, 05:15
Default 2d DFBI rotation momentum report in 3d terms
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Roman
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Hello dear CFD pro

I am simulating the axial rotor turbine. But instead of simulating the 3d model I took a cross section and simulated in 2d. Obtained the DFBI momentum report (which turned out to be extremely low).

I am wondering if I can extrapolate the 2d result into 3d in order to know the torque of the whole rotor (instead of one its' 2d section).

more practical question: how deep is Z coordinate in 2d domain? say its 1mm deep, so if I have a rotor of 20 mm long so I just multiply the 2d result x20?

Thanx in advance
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2-d, 3-d, dfbi, rotation, star ccm+

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