Results 1 to 10 of about 98,805 (251)

Risk zoning of lightning disaster in Hubei Province based on projection pursuit method

暴雨灾害, 2019
Using the cloud-ground lightning locating data from 2007 to 2017 and the thunderstorm day data from 1961 to 2003 in Hubei, we selected six lightning parameters such as thunderstorm day, cloud-ground lightning density, lightning current wave-head ...
Tianye YU, Xueliang WANG, Haifeng YUAN, Chuanlin ZHU   +3 more
doaj   +1 more source

Research on lightning transient distribution characteristics of cable-stayed bridges

暴雨灾害, 2023
Bridges are usually located at the junction of land and water, where the surrounding area is open terrain, making them to be easily damaged by lightning strikes.
Yajing SHI, Jian CHAI, Dajun XU, Ying PI, Jing Sun   +4 more
doaj   +1 more source

Evaluation of GHMLLS Performance Characteristics Based on Observations of Artificially Triggered Lightning

应用气象学报, 2022
Artificially triggered lightning refers to the lightning that is artificially triggered to the ground under appropriate thunderstorm conditions. The location of artificially triggered lightning can be determined; the occurring time can be precisely ...
Zhang Yue, Lü Weitao, Chen Lüwen, Wu Bin, Qi Qi, Ma Ying, Zhang Yang, Zheng Dong, Yan Xu, Meng Qing   +9 more
doaj   +1 more source

A Maintenance Cost Study of Transformers Based on Markov Model Utilizing Frequency of Transition Approach

Energies, 2018
In this paper, a maintenance cost study of transformers based on the Markov Model (MM) utilizing the Health Index (HI) is presented. In total, 120 distribution transformers of oil type (33/11 kV and 30 MVA) are examined.
Muhammad Sharil Yahaya, Norhafiz Azis, Amran Mohd Selva, Mohd Zainal Abidin Ab Kadir, Jasronita Jasni, Emran Jawad Kadim, Mohd Hendra Hairi, Young Zaidey Yang Ghazali   +7 more
doaj   +1 more source

Three types of bidirectional leader development in triggered lightning flashes

Scientific Reports, 2023
Eight cases of bidirectional leader (BL) development in artificially triggered lightning flashes are reported with synchronous high-speed camera images and electric field signals.
Rui Su, Fukun Wang, Jianguo Wang, Li Cai, Jinxin Cao, Junlin Wang   +5 more
doaj   +1 more source

Correlation between Frequency-Divided Magnetic Field and Channel-Base Current for Rocket-Triggered Lightning

Remote Sensing, 2023
Different discharge processes of triggered lightning can radiate electromagnetic signals with different frequency bands. During the triggered-lightning experiment conducted at the Field Experiment Base on Lightning Sciences of China Meteorological ...
Yanfeng Fan, Yang Zhang, Weitao Lyu, Ying Ma, Bin Wu, Qi Qi, Dong Zheng, Gaopeng Lu, Ankun Wu   +8 more
doaj   +1 more source

Thunderstorm Feature Dataset and Characteristics of Thunderstorm Activities in China

应用气象学报, 2021
A thunderstorm feature dataset (TFD) is built up based on the black body temperature (TBB) product and cloud classification (CLC) product of FY-2E meteorological satellite as well as the lightning data of the World-Wide Lightning Location Network (WWLLN).
Ma Ruiyang, Zheng Dong, Yao Wen, Zhang Wenjuan   +3 more
doaj   +1 more source

Study of the B-Dot Sensor for Aircraft Surface Current Measurement

Sensors, 2022
The B-dot sensor is a type of Rogowski coil widely used in the measurement of current. However, the accuracy of the B-dot for measuring aircraft high-frequency lightning current is greatly affected by factors such as numerical integration drift, high ...
Chen Tong, Zemin Duan, Yeyuan Huang, Shanliang Qiu, Xiaoliang Si, Zhibao Li, Zhijie Yuan   +6 more
doaj   +1 more source

Insights into ground strike point properties in Europe through the EUCLID lightning location system [PDF]

Natural Hazards and Earth System Sciences
Evaluating the risk of lightning strikes to a particular structure typically involves adhering to the guidance outlined in IEC 62305-2. Among the multitude of factors influencing the overall risk, flash density emerges as a crucial parameter.
D. R. Poelman, H. Kohlmann, W. Schulz
doaj   +1 more source

Real Talk: Designing Practice-Based Teacher Education for Family Communication

Education Sciences
Communication between families and schools is foundational for students’ academic success, community support for schools, and teachers’ experience. Yet, few preservice teacher education programs teach novices how to engage in equitable and effective ...
Lightning Peter Jay, Naorah Rimkunas
doaj   +1 more source