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Two-dimensional air flows around a quad bundle conductor covered with crescent-shaped ice of different thickness are numerically simulated, based on which the aerodynamic coefficients of each iced subconductor vary with the angle of wind attack are determined. The numerically obtained aerodynamic coefficients are compared with those by the wind tunnel test carried out previously. It is seen that the...
The aerodynamic coefficients varying with wind attack angle of a typical iced quad-bundled conductor are investigated by both of wind tunnel test and numerical simulation method. The experimental and numerical results indicate that the aerodynamic characteristics of a sub-conductor of the four sub-conductors are different from those of the other sub-conductors due to the wake interference of the wind...
The galloping of iced quad-bundled conductor under the action of stochastic wind load is investigated. A three-node cable element with three translational and one torsional degrees-of-freedom at each node is employed to discretize the bundled conductor and the two-node Euler-Bernoulli beam elements are used to simulate the spacers. With the Kaimal spectrum and the Davenport mutual spectrum, the samples...
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