A method of detecting that an aircraft is flying in icing conditions. A processor unit determines a real power developed by the turboshaft engine and a theoretical power that the engine can develop in theory, the theoretical power being determined using a theoretical model supplying a power as a function at least of a speed of rotation of a gas generator of the engine. The processor unit determines a difference between the real power and the theoretical power. The processor unit generates a warning to indicate the presence of icing conditions when the power difference is greater than a predetermined power threshold for a length of time longer than a time threshold, and when a temperature outside the aircraft lies between a low temperature threshold and a high temperature threshold.
PROCÉDÉ ET DISPOSITIF POUR DÉTECTER QU'UN AÉRONEF VOLE DANS DES CONDITIONS GIVRANTES
METHOD AND DEVICE FOR DETECTING WHEN AN AIRCRAFT FLIES IN ICING CONDITIONS
VERFAHREN UND VORRICHTUNG ZUM ERFASSEN, OB EIN FLUGZEUG IN VEREISUNGSKONDITIONEN FLIEGT
2016-08-24
Patent
Electronic Resource
French
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