Thick Crescent Iced Sub-Conductors Spacing Influence on the Aerodynamic Properties

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Abstract:

Using computational fluid dynamics software FLUENT analysis and calculation the aerodynamic coefficient of the 28mm ice thickness crescent iced quad-bundle conductors under different spacing. Studies show that aerodynamic coefficient of downwind sub-conductors affected by wake-flow, with the upwind sub-conductors there is always a big difference. With different spacing values, quad-bundle iced conductors in the wake-flow of different effects. Upwind sub-conductors, spacing values have nothing to do with the aerodynamic coefficient. Downwind sub-conductors, drag coefficient in the larger change significantly, moment coefficient variation is relatively small. Sub-conductors spacing has no effect on the lift coefficient.

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62-66

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October 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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