NDLI: Estimation of stresses in atmospheric ice during aeolian vibration of power transmission lines

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Estimation of stresses in atmospheric ice during aeolian vibration of power transmission lines

Content Provider	Semantic Scholar
Author	Farzaneh, Masoud
Copyright Year	2013
Abstract	Aeolian vibration in bare and iced cable was simulated using the theory of cable vibration. High frequency vibration creates stresses in the cable and consequently in the ice covering that cable, which may result in ice failure and eventually ice shedding. These stresses were estimated in this study. Displacement of the cable during vibration was determined; furthermore, instantaneous wind loads in vertical and transverse directions, additional stresses induced by the motion in the cable and in the atmospheric ice, as well as torque due to cable springback were calculated. In order to simulate the loading conditions of a chunk of atmospheric ice in the middle of a span, a new model was developed using ABAQUS. Results from this model show in spite of high frequency vibration, the resulting level of stress in atmospheric ice is far less than its failure limit. In other words, the atmospheric ice under the condition assumed in this investigation does not shed due to aeolian vibration.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://eprints.hud.ac.uk/16077/1/2010_JWEIA_va_Estimation_of_stresses_in_atm_ice_during_aeolian_vibr_of_power_transm_lines.pdf
Alternate Webpage(s)	http://eprints.hud.ac.uk/id/eprint/16077/1/2010_JWEIA_va_Estimation_of_stresses_in_atm_ice_during_aeolian_vibr_of_power_transm_lines.pdf
Language	English
Access Restriction	Open
Subject Keyword	Assumed Bending stiffness Cable modem Category 5 cable Commercial software Decompression Sickness Diameter (qualifier value) Displacement mapping Earliest deadline first scheduling Estimated External ray Fatigue Finite element method Ice K-line (artificial intelligence) Less Than MATLAB Optical fiber cable Overhead (computing) Recent Thymic Emigrant Simulation Span Distance Tension Transmission line Transverse wave Vibration syndrome
Content Type	Text
Resource Type	Article

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