Triboelectric Charging of Aircraft Dielectric Surfaces in the Microwave Frequency Region (1-4 GHz)
AIR FORCE AVIONICS LAB WRIGHT-PATTERSON AFB OH
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Triboelectric charging can cause serious problems to modern aircraft. This work effort attempts to determine the RF spectral content of streamers produced on various dielectric materials that are being used or could be used on future high performance aircraft. These values are found to be in good agreement with the theoretically derived spectrum. This investigation covered the frequency range of 1.0 GHz to 4.0 GHz. Such a range is convenient in that it starts where other researchers have stopped and gives a good indication of expected signal levels at higher frequencies. A more detailed study could also be conducted due to the small frequency span. The first part of this report discusses the experimental setup and the rationale for the procedures used. Based on the experimental values obtained, definite recommendations are made for the reduction of precipitation static interference. The values obtained show a close correlation with flight test data.
- Radiofrequency Wave Propagation