Device for measuring total pressure of a flow

Details Device for measuring total pressure of a flow Device for measuring total pressure of a flow

G - Physics

01

P

G01P 5/165 (2006.01) B64D 43/02 (2006.01) G01P 13/02 (2006.01)

Patent

CA 2454670

The invention concerns a device for measuring the total pressure of a fluid flow, in particular the total pressure of an air stream surrounding an aeroplane. The invention proposes to replace a Pitot tube by a device wherein at least two fluid layers are sampled in the stream. Said layers are brought in contact so that they mutually slow down in a zone (11) wherein pressure is measured. Said measured pressure is representative of the total pressure (Pt).

L'invention se rapporte à la mesure de pression totale d'un écoulement fluide, notamment la pression totale de l'écoulement d'air entourant un aéronef. L'invention propose de remplacer un tube de Pitot par un dispositif dans lequel au moins deux filets de fluide sont prélevés dans l'écoulement. Ces filets sont amenés en contact de manière à se ralentir mutuellement dans une zone (11) oú l'on mesure la pression. Cette pression mesurée est représentative de la pression totale (Pt).

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