Research on the Charged Omni-Directional Spatial Electric Field Tester

Yu Liu; Xi Chen; Kai Tang

doi:10.4028/www.scientific.net/AMR.681.110

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 681Research on the Charged Omni-Directional Spatial...

Research on the Charged Omni-Directional Spatial Electric Field Tester

Abstract:

The spatial electric field tester is mainly used for the measurement of high-altitude electrostatic field. The spatial electric field tester will be electrostatically charged during the period it is sent to a certain height by a micro-rocket. In order to study the charge characteristics, the paper analyzes the charging mechanism of the omni-directional spatial electric field tester and builds mathematics model for the friction charging, which is a main factor of the charging process. The numerical calculation and experimental research demonstrate that the friction introduces a slow charge accumulation process for the electric field instrument in the course of its campaign. Under the testing conditions in this paper, the charge amount is 10-11 C within the 6s duration. In order to improve the accuracy of the electric field measurement, a time-frequency analysis method can be adopted to remove the slow-varying electric field signal.

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Periodical:

Advanced Materials Research (Volume 681)

Pages:

110-114

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.681.110

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Online since:

April 2013

Authors:

Yu Liu, Xi Chen, Kai Tang

Keywords:

Charge, Electric Field Tester, Electrostatic Field, Friction

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