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Investigation of an Electromagnetic Interference-Free Active Static Discharging Technique for Fixed and Rotary Wing Aircraft

机译:固定翼和旋翼飞机电磁无干扰主动静电放电技术研究

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An active electrostatic discharger was designed and constructed for the elimination of electrostatic charges from aircraft. This discharger maintains the charge potential of any type of aircraft at a very low level. The radio frequency interference generated by the corona discharge through the active discharger is very much lower than the interference generated by discharge from an aircraft equipped with passive dischargers. Corona discharge probes for use with active electrostatic dischargers were studied with regard to their current and R. F. interference characteristics. Characteristics of numerous probe designs were evaluated through wind tunnel tests. A reduction of 40 to 60 db. dependent upon frequence and conditions in the RFI noise due to static charge buildup in helicopters can be anticipated by using active discharging techniques. (Author)

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