Wang Ying
TorqueParasitic dragReynolds numberMaterials scienceSurface frictionMechanicsMicrochannelSurface finishAnnulus (firestop)Drag
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For the drag reduction application of hydrophobic material, the drag characteristic of typical surface with different roughness or different hydrophobicity is studied by a new annulus experiment. The corresponding torque characteristic and drag reduction rate curve are acquired. The experiment indirectly calculate the surface friction of the annulus by measuring the torque of disk driving annulus and breaks through the limitation of scale in traditional microchannel experiment, avoids the drawba...
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