منابع مشابه
Lightning Discharge and Fundamentals of Lightning Protection
A review of lightning protection concepts introduced by Benjamin Franklin (18th century) and James Clerk Maxwell (19th century) is given. Modern approaches to lightning protection of various structures and systems are discussed. In particular, the widely used electrogeometrical model (one version of which is the Rolling Sphere Method) and the topological shielding are presented. Bonding require...
متن کاملBall Lightning Discharge Fed by an Atmospheric Maser
The present paper describes the interaction of the maser with the soliton, finally deriving the fundamental ball lightning (BL) equation for the linear heat diffusion case. This equation is a rough first approximation based on many drastic simplifications. It assumes stationarity and neglects the field emission of carriers caused by the maser. Our calculations prove for the first time that the ...
متن کاملModelling of Lightning Discharge Patterns as Observed from Space
Thunderstorms are an integral component in the Earth's atmospheric system and have profound influence on a variety of industries. Specifically, the occurrence of lightning discharges has many negative effects, including disturbances on power lines, the commencement of forest fires and the delay of aircraft missions. Consequently, modelling the patterns of lightning discharges is intended to pro...
متن کاملRelationship between lightning-storm characteristics, and both power and rate of lightning-discharge RF emissions observed by FORTE
Prior studies have noted a strongly nonlinear enhancement of lightning flash rates with increasing cloud height. Here we report a related observation, of a tendency for increased intracloud (IC)-discharge radioemission power versus increased height of the electrified cloud. We find that there is a strong statistical increase of effective radiated power (ERP, or isotropic peak power radiated fro...
متن کاملReview of Three Equivalent Approaches for Computing Electromagnetic Fields from an Extending Lightning Discharge
Three different general approaches for calculating the electromagnetic fields at any point in space from a lightning return stroke, which is modelled as an extending linear antenna, are reviewed and compared. In the first approach, known as the dipole approach, the electric field is completely expressed in terms of the retarded current on the lightning channel and in the second approach the ele...
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ژورنال
عنوان ژورنال: Science
سال: 1890
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-15.378.276