Excess point-discharge current during rapid field-changes

Kamra, A. K. ; Varshneya, N. C. (1967) Excess point-discharge current during rapid field-changes Journal of Atmospheric and Terrestrial Physics, 29 (12). pp. 1519-1527. ISSN 0021-9169

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002191...

Related URL: http://dx.doi.org/10.1016/0021-9169(67)90105-5


The point-discharge current from an isolated artificial point is studied. The phenomenon is explained on the basis of a transient reversed 'local potential-gradient' developed around the point. It is shown that the relation of Chalmers (1962) can be used with some alterations to correlate this point-discharge current with atmospheric potential-gradient and wind speed. Agreement is found between observed and calculated values except at high wind speeds.

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