- #1
kdgarg
- 1
- 0
How can we predict the actual test performance of pump from CFD. I need some formulation/calculation method to predict closure.
Centrifugal pump's Test performance prediction from CFD
- Thread starter kdgarg
- Start date
AI Thread Summary
Predicting the actual test performance of centrifugal pumps from CFD involves starting with a meanline or 1D code, which utilizes a velocity-triangle approach for initial calculations. After this, a model is created and meshed, with ANSYS ICEM recommended for achieving high-quality hex mesh, as mesh quality is crucial in CFD. The model is then solved in a CFD solver, where moving boundaries can be applied to the rotor, often yielding results close to experimental values. Various tools have been developed for this process, emphasizing the importance of methodical steps in CFD analysis. Accurate predictions can significantly enhance pump performance assessments.
- #2
minger
Science Advisor
- 1,494
- 2
There are lots of tools developed for just this. Typically our approach for compressors is to start with a meanline or 1D code first. Basically it's a glorified "velocity-triangle" approach to solving, but will get you very close.
From there a model is created and meshed. For the best mesh quality, we bring it into ANSYS ICEM in order to get a full hex mesh. Mesh quality if very important with CFD; always.
At that point it's brought into your solver and solved. Moving boundaries can be applied to the rotor and from what I've seen, results can be quite close to experimental values.
From there a model is created and meshed. For the best mesh quality, we bring it into ANSYS ICEM in order to get a full hex mesh. Mesh quality if very important with CFD; always.
At that point it's brought into your solver and solved. Moving boundaries can be applied to the rotor and from what I've seen, results can be quite close to experimental values.
- #3
FredGarvin
Science Advisor
- 5,093
- 10
minger said:
And then we put it in the test cell and tell Minger that he's out to lunch
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