This paper outlines a NASA project plan for demonstrating a prototype lightning strike measurement system that is suitable for installation onto research aircraft that already operate in thunderstorms. This work builds upon past data from the NASA F106, FAA CV-580, and Transall C-180 flight projects, SAE ARP5412, and the European ILDAS Program. The primary focus is to capture airframe current waveforms during attachment, but may also consider pre and post-attachment current, electric field, and radiated field phenomena. New sensor technologies are being developed for this system, including a fiber-optic Faraday polarization sensor that measures lightning current waveforms from DC to over several Megahertz, and has dynamic range covering hundreds-of-volts to tens-of-thousands-of-volts. A study of the electromagnetic emission spectrum of lightning (including radio wave, microwave, optical, X-Rays and Gamma-Rays), and a compilation of aircraft transfer-function data (including composite aircraft) are included, to aid in the development of other new lightning environment sensors, their placement on-board research aircraft, and triggering of the onboard instrumentation system. The instrumentation system will leverage recent advances in high-speed, high dynamic range, deep memory data acquisition equipment, and fiber-optic interconnect.


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    Title :

    Aircraft Lightning Electromagnetic Environment Measurement


    Contributors:
    J. J. Ely (author) / T. X. Nguyen (author) / G. N. Szatkowski (author)

    Publication date :

    2011


    Size :

    8 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Aircraft Lightning Electromagnetic Environment Measurement

    Ely, Jay J. / Nguyen, Truong X. / Szatkowski, George N. | NTRS | 2011


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    Electromagnetic interaction of lightning with aircraft

    Perala, R.A. / Rudolph, T. / Eriksen, F. | Tema Archive | 1982