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Performance of Centrifugal Fan with scroll casing |
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July 3, 2008, 08:33 |
Performance of Centrifugal Fan with scroll casing
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Hello,
I'm an inexperienced mechanical engineer regarding cfd analysis. I'm using Ansys CFX 11 currently. I have modelled a backward curved centrifugal rotor with bladegen,and had a mesh with turbogrid then I used CFX turbomachinery fan template to simulate free run performance of the rotor.Everything automatic. No problem.But I need the see volume flow rate @ zero back pressure at the outlet of scroll casing. I have volute(scroll casing) mesh that I have created with CFX MESH and "composit 2D region" defined for inlet and outlet of volute seperately, Other faces of volute defined as "default 2D region" when meshing. But I have no idea how to combine them (rotor and volute), what kind of interface should be defined between them and how to take volume flow rate results at the outlet. Is there any example case for such an operation.Can anybody help me please. Regards Altano. |
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