Results 21 to 30 of about 21,827,196 (263)
Dynamic Response Modeling of Mountain Transmission Tower-Line Coupling System under Wind–Ice Load
Buildings, 2023 Transmission lines have the characteristics of being tall tower structures with a large span distribution of transmission lines that are sensitive to external loads such as wind and ice, and belong to strong, nonlinear, complex, rigid-flexible coupling ...
Haoran Song, Yingna Li
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Optimization of VEDs for Vibration Control of Transmission Line Tower
Advances in Civil Engineering, 2021 This paper investigates the optimization of viscoelastic dampers (VEDs) for vibration control of a transmission line tower. Considering the stiffness of the steel brace connected to a VED, the mechanical model of the VED-brace system was established ...
Guoping Huang +4 more
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Shock and Vibration, 2021 The accuracy of transmission tower-line system simulation is highly impacted by the transmission line model and its coupling with the tower. Owing to the high geometry nonlinearity of the transmission line and the complexity of the wind loading, such ...
Xiao Zhu, Ge Ou
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Shock and Vibration, 2015 The vibration control and performance evaluation on a transmission-tower line system by using friction dampers subjected to wind excitations are carried out in this study. The three-dimensional finite element (FE) model of a transmission tower is firstly
Bo Chen +3 more
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Dynamic response analysis of transmission tower line system under random fluctuating wind field
电力工程技术The transmission tower and tower line coupling system is an important carrier of the power system transmission process. Strong winds in coastal areas have a significant impact on the transmission tower and tower line system. To study the dynamic response
YAN Chengyang +4 more
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Icing risk assessment and reinforcement measures of 500 kV transmission tower
电力工程技术, 2023 The existing of transmission line icing may lead to the collapse of the transmission tower and disconnection of the transmission line, which seriously threatens the safe and stable operation of power grid. In this paper, aiming at the typical icing lines
WEN Yi +5 more
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Energies, 2022 The paper presents the transmission line dynamic response considering tower-conductor cable coupling under wind and rain load is presented. The cable and the tower are modeled using the Spectral Element Method.
Yanne Marcela Soares Fernandes +2 more
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IEEE AccessDownburst is a type of near-surface short-term destructive strong wind that significantly affects wind-sensitive flexible structures like transmission tower-line systems.
Yongli Zhong +4 more
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Shock and Vibration, 2018 Only one wind field model loading the transmission tower or the tower-line system was investigated in the previous studies, while the influence of two different wind field models was not considered.
Xiaolei Zhang, Yanzhong Ju, Fuwang Wang
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Referral Patterns and Diagnostic Timeliness in Pediatric Cancer: A Hospital‐Based Study in Indonesia
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Timely diagnosis and treatment are critical for improving survival among children with cancer. In low‐ and middle‐income countries (LMICs), delays are common and may be influenced by fragmented referral pathways and diagnostic limitations.
Nur Melani Sari +5 more
wiley +1 more source