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grids between tip clearance

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Old   September 6, 2005, 10:34
Default grids between tip clearance
  #1
iceraining
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hi,everyone.

my model is a axial pump,and the tip clearance is very short to the whole radius. and i met a problem for grids.

when i make ogrids for blade,i don't know where to put the ogrids vertices between the shroud and blade tip. and some grids are always wrong with small angel ,such as 0-9 degree. how to avoid this situation?

thank you very much!

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Old   September 7, 2005, 06:19
Default Re: grids between tip clearance
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karunakara
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I dint get your question saying the axial pump having a shroud? In axial flow pumps the impeller blades are with the hub only. What is the clearence between impeller and casing.?

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Old   September 7, 2005, 09:11
Default Re: grids between tip clearance
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iceraining
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ah~ the pump was cased, and tip clearance is very small.could you tell me how to set the grids? thank you very much!
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