Abstract
Accounting for wind load characteristic of iced OPGW, flow field around OPGW optical fibre, with ice thickness of 5mm and 20mm, respectively, are simulated by solving Naviver-Stokes equations enclosed by transition SST turbulence model, under different wind speed conditions. The results indicate that, shape coefficients of iced OPGW with ice thickness 5mm or 20mm are basically consistent with each other at wind speeds of both 5m/s and 15m/s. It means that shape coefficients are not sensitive to Reynolds number under these two icing thickness conditions; increasing of icing thickness has obvious influence on shape coefficient under same wind speeds: in case wind angle is less than 50° or greater than 120°, increase of icing thickness will decrease the shape coefficients of iced OPGW; in case wind angle lies within wind angle section of 50°~120°, windward area will increase following the increase of icing thickness, hence shape coefficients of OPGW will increase obviously, following increasing of icing thickness.
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