A method of operating an optical icing conditions sensor includes transmitting a first light beam with a first transmitter (16) and a second light beam with a second transmitter (18), thereby illuminating two illumination volumes. A first receiver (20) receives the first light beam. A second receiver (22) receives the second light beam. A controller (100) measures the intensity of light received by the first and second receivers. The controller compares the intensities to threshold values and determines if either intensity is greater than the threshold values. The controller determines a cloud is present if either intensity is greater than the threshold values. The controller calculates a ratio of the intensities if a cloud is present. The controller determines, using the ratio, whether the cloud contains liquid water droplets, ice crystals, or a mixture of liquid water droplets and ice crystals.


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    Titel :

    DETECTION OF AIRCRAFT ICING CONDITIONS AND DISCRIMINATION BETWEEN LIQUID DROPLETS AND ICE CRYSTALS


    Weitere Titelangaben:

    ERKENNUNG VON FLUGZEUGVEREISUNGSBEDINGUNGEN UND UNTERSCHEIDUNG ZWISCHEN FLÜSSIGKEITSTRÖPFCHEN UND EISKRISTALLEN
    DÉTECTION DE CONDITIONS DE GIVRAGE D'AÉRONEF ET DISCRIMINATION ENTRE DES GOUTTELETTES DE LIQUIDE ET DES CRISTAUX DE GLACE


    Beteiligte:
    ANDERSON KAARE JOSEF (Autor:in) / RAY MARK (Autor:in) / RAMTHUN KENT ALLAN (Autor:in)

    Erscheinungsdatum :

    2024-04-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G01S RADIO DIRECTION-FINDING , Funkpeilung



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