![]() This distribution is normalized with respect to the sheet cavitation thickness. The beta type probability density distribution of the initial bubble size is proposed. The number and size of free cavitation bubbles are related to the variation of propeller blade attached cavitation. The effectiveness of this proposed method is demonstrated by a real transmission line and a comparison of the results with a nonlinear finite element analysis."Ī method of evaluating the intermittent propeller blade fixed cavitation and shedding of free cavitation bubbles is presented. This allows the dynamic cable equation to be decoupled, allowing the time- and frequency-domain solutions of the along-wind dynamic tension to be obtained. The two modes that contribute most to the dynamic tension in a transmission line are the first out-of-plane mode and the first symmetric in-plane mode. Wind-induced vibrations in transmission lines exhibit nonlinear geometric characteristics Using the vibration equation for a continuous cable system, the dynamic tension generated in a transmissioOn line by along-wind loading was decomposed into the two components of static nonlinear effects dependent on the mean wind speed and dynamic linear effects caused by turbulent wind, in the equilibrium plane. " Dynamic tension in power transmission lines generated by wind-induced vibrations is a critical issue in the design of wind-resistant power transmission towers.
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