【摘 要】
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The distribution function and orientation tensor of fiber suspensions in wedge-shaped flow field were computed. The results indicate that with time increasing,
【机 构】
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Department of Mechanics
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The distribution function and orientation tensor of fiber suspensions in wedge-shaped flow field were computed. The results indicate that with time increasing, the fiber orient themselves to flow direction gradually. At the locations with same pole-radii, the angle between fiber orientation and centerline, which occurs with the most probability, decreases with the pole-angle increasing . At the locations with same pole-angle, the angle between fiber orientation and centerline increases with the pole-radii decreasing. The second-order tensors get steady more quickly at the points where the velocity gradients are larger. At the locations with same pole-angle, the steady values of orientation tensors are identical. At the locations with same pole-radii is, streamline becomes flatter as the pole-angle decreases.
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