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- Article name
- Role of eddy currents in lifting force creating for an autonomous emitter of radio-waves
- Authors
- Nikitin A. I., , anikitin@chph.ras.ru, Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, 38/2, Leninsky av., Moscow, 117829, Russia
Leipunsky I. O., , anikitin@chph.ras.ru, Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, 38/2, Leninsky av., Moscow, 117829, Russia
Nikitina T. F., , anikitin@chph.ras.ru, Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, 38/2, Leninsky av., Moscow, 117829, Russia
- Keywords
- ball lightning / levitation / eddy currents / electric charge / corona discharge
- Year
- 2010 Issue 2 Pages 15 - 22
- Code EDN
- Code DOI
- Abstract
- For test a hypothesis for ball lightning levitation over conductor surface due to eddy currents, induced in conductor, experiments for measuring of the force, repelling a coil from a copper plate, were conducted. The coil of diameter 5.2 cm was fed with alternating current of frequency 440 kHz at a power 4.6 kW. It was found that this force at a distance 3 cm does not exceed 0.1 N and sharply decreases at shifting of the coil from the plate. This excludes eddy currents as a reason of ball lightning hovering. A new hypothesis is proposed that ball lightning levitation may be explained by existence of corona discharge on its surface.
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