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Effects of Wall Proximity on Drag, Lift, and Torque of Oblate Spheroids

delete2026-04-30
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PRE
AI
D
Dong Zhang
Y
Yakun Liu
Z
Zhanpeng Li
D
Danesh K. Tafti
Z
Ze Cao *
DOI:10.1016/j.ijmultiphaseflow.2026.105752delete
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Abstract

Abstract

En 中文
• Simulated shear flow past a near-wall oblate spheroid with particle-resolved method; • Wall effect becomes negligible when the particle-wall gap ( δ) exceeds 3.5deq; • The sin2θ correlation captures pressure-drag variance with respect to θ at all δ; • The sinθcosθ correlation captures lift dependence on θ only when δ=3.5deq; • Empirical correlations for drag, lift and torque coefficients are proposed.
Keywords:
wall proximity
drag
lift
torque
oblate spheroids

Journal

International Journal of Multiphase Flow cover
International Journal of Multiphase Flow
IF:
3.8
Papers:
4.7K
Citations:
1.5W

Organization

V
virginia tech
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668
Papers: 302
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D
Dalian University of Technology
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Citations: 5.5W
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