Computational Study of Surface Roughness and Ice Accumulation Effects on Wind Loading of Overhead Line Conductors


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Abstract


Current transmission line analysis methods generally consider wind effects on conductors and supports as static loads, despite the dynamic nature of wind loading. In this paper, the authors explore wind-cable dynamic interactions using a two-dimensional fluid-structure interaction (FSI) model and finite element analysis. The numerical simulation results reported show the effects of ice accretion and bare conductor roughness on the resultant aerodynamic forces induced on the cable section.
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Keywords


Computational Fluid Dynamics; Conductor Lift and Drag Coefficients; Fluid-Structure Interactions; Interactive Wind And Ice Effects; Overhead Line Conductors

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