Airborne testing under simulated and actual low-level wind shear conditions is underway on a NASA-Ames Learjet. An infrared CO2 band radiometer with a forward 'look distance' of 5 to 8 kilometers measures the air temperature weighted to this range ahead of the approach configured aircraft. Shear alerts occur when the difference between the forward temperature and static air temperature at the aircraft exceed a set value or when a perturbation occurs in the normally constant potential temperature. Aircraft approaches into thunderstorm downburst phenomena were simulated by approaches into cool estuarine air adjacent to much warmer air over land and by actual light wind shear conditions at Travis Air Force Base. Conditions were verified by the radiometer system with extensive on-board data acquisition.


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    Titel :

    Airborne operation of an infrared low-level wind shear prediction system


    Beteiligte:
    Kuhn, P. M. (Autor:in) / Kurkowski, R. L. (Autor:in) / Caracena, F. (Autor:in)

    Kongress:

    Aerospace Sciences Meeting ; 1982 ; Orlando, FL


    Erscheinungsdatum :

    1982-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Airborne operation of an infrared low-level wind shear prediction system

    KUHN, P. / KURKOWSKI, R. / CARACENA, F. | AIAA | 1982


    Airborne operation of an infrared low-level wind shear prediction system

    KUHN, P. M. / Northrop Services / Inc. et al. | AIAA | 1983


    Airborne operation of an infrared low-level wind shear prediction system

    Kuhn, P. M. / Kurkowski, R. L. / Caracena, F. | NTRS | 1983


    Airborne infrared low level wind shear predictor

    KUHN, P. / KURKOWSKI, R. | AIAA | 1984