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Relevant bibliographies by topics / Leader discharge

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Journal articles

Academic literature on the topic 'Leader discharge'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Leader discharge"

1

Rakov, V. A., M. D. Tran, Y. Zhu, et al. "New insights into the lightning discharge processes." Plasma Sources Science and Technology 31, no. 10 (2022): 104005. http://dx.doi.org/10.1088/1361-6595/ac9330.

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Abstract This review covers selected results of recent observations of lightning discharges performed across the entire electromagnetic spectrum (radiofrequency, optical, and energetic radiation) at the Lightning Observatory in Gainesville, Florida. The most important results include (a) characterization of the preliminary-breakdown, stepped-leader, and return-stroke processes in high-intensity (⩾50 kA) negative lightning discharges, (b) the first high-speed video images of bidirectional leader that made contact with the ground and produced a return stroke, (c) discovery of negative stepped le

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2

Das, Sayantan, and Udaya Kumar. "Modeling of Bi-Polar Leader Inception and Propagation from Flying Aircraft Prior to a Lightning Strike." Atmosphere 13, no. 6 (2022): 943. http://dx.doi.org/10.3390/atmos13060943.

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Lightning is one of the major environmental threats to aircraft. The lightning strikes during flying are mostly attributed to aircraft-triggered lightning. The first step toward designing suitable protective measures against lightning is identifying the attachment locations. For this purpose, oversimplified approaches are currently employed, which do not represent the associated discharge phenomena. Therefore, in this work, a suitable model is developed for simulating the inception and propagation of bi-polar leader discharge from the aircraft. Modeling of leader discharges requires field comp

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3

Ma, Xinyu, Chijie Zhuang, Zezhong Wang, and Rong Zeng. "Positive Leader Velocity and Discharge Current Considering Leader Branching Under Different Air Pressures." IEEE Transactions on Plasma Science 47, no. 5 (2019): 1939–43. http://dx.doi.org/10.1109/tps.2018.2886570.

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4

Belosheev, V. P. "Discharge leader self-organization on the water surface." Technical Physics 45, no. 7 (2000): 922–27. http://dx.doi.org/10.1134/1.1259749.

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5

Xie, Yaoheng, Yue Yishi, Huisheng Ye, Liu Yun, Yongheng Zhong, and Xiangeng Zhao. "The development characteristics of the discontinuous leader under the positive switching impulse with low rate of voltage rising." European Physical Journal Applied Physics 83, no. 2 (2018): 20802. http://dx.doi.org/10.1051/epjap/2018180103.

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Discontinuous leader development is the most important discharge process under the application of the switching impulse voltage with the low rate of voltage rising, which is of great significance to study the external insulation characteristics of ultra-high voltage (UHV) large scale air gap. Based on the CMOS high-speed camera, a discharge test with different operating impulse voltage is carried out by constructing a comprehensive observation platform of rod-plate air gap discharge, and a clear discontinuous leader development process picture is captured. Moreover, the leader current, injecti

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6

Qie, X., Y. Yu, C. Guo, P. Laroche, G. Zhang, and Q. Zhang. "Some features of stepped and dart-stepped leaders near the ground in natural negative cloud-to-ground lightning discharges." Annales Geophysicae 20, no. 6 (2002): 863–70. http://dx.doi.org/10.5194/angeo-20-863-2002.

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Abstract. Characteristics of the electric fields produced by stepped and dart-stepped leaders 200 µs just prior to the return strokes during natural negative cloud-to-ground (CG) lightning discharges have been analyzed by using data from a broad-band slow antenna system with 0.08 µs time resolution in southeastern China. It has been found that the electric field changes between the last stepped leader and the first return stroke could be classified in three categories. The first type is characterized by a small pulse superimposed on the abrupt beginning of the return stroke, and accounts for 4

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7

Cooray, Vernon, Hasupama Jayasinghe, Marcos Rubinstein, and Farhad Rachidi. "The Geometry and Charge of the Streamer Bursts Generated by Lightning Rods under the Influence of High Electric Fields." Atmosphere 13, no. 12 (2022): 2028. http://dx.doi.org/10.3390/atmos13122028.

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The streamer bursts generated during the initiation and propagation of leaders play an important role in the creation and maintenance of hot discharge channels in air. The most important parameters related to streamer bursts in this respect are the length of the streamer bursts, their lateral extent and the charge associated with them. The lateral extent of the streamer bursts may play a significant role in deciding the path and the tortuosity of the discharge channels of laboratory discharges and lightning. The charges associated with the streamer bursts are needed in understanding the physic

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8

Keffer, C. W. "Waste Discharge Reduction Program Overview – Monsanto Agricultural Company." Water Science and Technology 24, no. 12 (1991): 29–32. http://dx.doi.org/10.2166/wst.1991.0367.

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Monsanto is committed to being a leader in reducing waste discharges to the environment. The Company announced in June 1988 a commitment to reduce air emissions of hazardous materials by 90% by the end of 1992. In addition, Monsanto Agricultural Company established a further goal to reduce the discharge of organic and hazardous inorganic materials to all environmental media. Projects have been identified for the Agricultural Company to achieve the 90% air emission reduction goal and to reduce projected 1995 waste discharges from 150 million pounds to 50 million pounds.

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9

Pei, Zhehao, Weijiang Chen, Xing Fan, et al. "The contribution of femtosecond laser filaments to positive and negative breakdown discharge in a long air gap." Physics of Plasmas 30, no. 4 (2023): 043511. http://dx.doi.org/10.1063/5.0138646.

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Discharges of different polarities develop in different modes, resulting in different guiding effects by femtosecond laser filaments. Knowledge of the contribution of laser filaments to positive and negative discharges is the basis of the laser-guided long-air-gap discharge technique. This study presents a direct comparison of the inception, propagation, and breakdown characteristics of discharges of both polarities. Long-air-gap discharge experiments under the switching impulses of both polarities are carried out under the same experimental conditions. Discharge modes and phases are also cons

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10

Molas, Michał, and Marcin Szewczyk. "Experimental Evaluation of 3D Tortuosity of Long Laboratory Spark Trajectory for Sphere-Sphere and Sphere-Plane Discharges under Lightning and Switching Impulse Voltages." Energies 14, no. 21 (2021): 7409. http://dx.doi.org/10.3390/en14217409.

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Evaluation of attractive areas of high- and ultra-high voltage power transmission lines to direct lightning strokes is based on modeling of propagating progress of the lightning leader approaching the transmission line. The aim of the modeling is to determine the effectiveness of lightning protection for a given line design. The statistical models are currently being developed to extend the conventional deterministic models by embracing the randomness of the discharge channel in space and hence to reproduce the statistical distribution of the striking points. These models require experimental

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