Results 11 to 20 of about 12,784 (263)

Thunderstorm Feature Dataset and Characteristics of Thunderstorm Activities in China

open access: yes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   +3 more
doaj   +1 more source

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

open access: yesSensors, 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   +6 more
doaj   +1 more source

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

open access: yes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   +3 more
doaj   +1 more source

Enhancing the Output Performance of a Triboelectric Nanogenerator Based on Modified Polyimide and Sandwich-Structured Nanocomposite Film

open access: yesNanomaterials, 2023
Recently, scientists have been facing major obstacles in terms of improving the performances of dielectric materials for triboelectric nanogenerators. The triboelectric nanogenerator (TENG) is one of the first green energy technologies that can convert ...
Jiaheng Zhou   +10 more
doaj   +1 more source

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

open access: yesEnergies, 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   +7 more
doaj   +1 more source

Project Management of Lightning Protection Innovative Design [PDF]

open access: yesE3S Web of Conferences, 2021
Lightning protection is becoming more and more important because the climate has changed in recent years and lightning occurs frequently. Given the lightning accidents in these years, this study adopted a new lightning protection device, increased ...
Ling Kang
doaj   +1 more source

10/350 µs Lightning Impulse Current Behavior of a Conductive Fabric

open access: yes, 2021
Lightweight Portable Lightning Protection Shelters require the use of new materials capable of supporting the high current densities associated with lightning currents.
Acosta, Cristian,   +13 more
core   +1 more source

Observation of the Whole Discharge Process During a Multi-stroke Triggered Lightning by Continuous Interferometer

open access: yes应用气象学报, 2020
The discharge process is often discussed in the lightning physics. VHF (very high frequency) observations play an important role in studying lightning discharge processes, because they show where air breakdown occurs.
Zhang Yang   +6 more
doaj   +1 more source

Improvement of the lightning performance of overhead distribution lines. Possible solutions

open access: yes, 2023
The lightning performance of overhead distribution lines is affected by both direct and indirect lightning. This study focuses on the influence of some protection measures on a real 20 kV medium-voltage distribution line under direct lightning events ...
Andreotti A.   +7 more
core   +1 more source

Two-dimensional Optical Observation of Striking Distance of Lightning Flashes to Two Buildings in Guangzhou

open access: yes应用气象学报, 2020
Lightning can strike directly on buildings, lightning protection devices or the lateral surface of buildings, endangering buildings on the ground. Effective lightning protection measures can avoid lightning damage to buildings and prevent possible fire ...
Qi Qi   +5 more
doaj   +1 more source

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