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ice accretion on airfoil - actually getting accretion |
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February 20, 2010, 00:37 |
ice accretion on airfoil - actually getting accretion
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Dennis
Join Date: Feb 2010
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Hi,
I'm trying to validate a collection efficiency model with a NACA 0012 but am having trouble getting the water particles (inert) to even strike the surface of the airfoil. I do have trap conditions set on the airfoil wall as well as the erosion/accretion option set in DPM. Injection type I have set is group, with 1500 particle streams. I also have the range of injection in the y direction from -3 to 3. Diameter is 1.6e-5. All distance units are in meters (not that it makes a difference). Displaying the particles with respect to time with the grid background shows that none of the particles are even coming within the first 5 or 10 grid points. Could someone offer a suggestion that would help in getting the particles to actually strike the wall (airfoil)? Thank you! |
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