DEVICE FOR MULTIPOINT ACQUISITION/DISTRIBUTION OF FLUID, IN PARTICULAR PROBE FOR TAPPING PRESSURE IN A TURBOMACHINE AIR INLET

摘要

In a general manner, the invention is aimed at achieving accurate and rapid acquisition or distribution of fluid - at multipoints - with good spatial resolution and minimal bulk. To do this, the invention provides for a twisted arrangement of ducts in the acquisition/distribution zone making it possible to perform several acquisitions/distributions over several heights with one and the same device. In particular, concerning an acquisition of measurement of gyration in flight, the device is a pressure probe (10), in which a probe body (1) exhibits a first part (12) or section for acquiring pressure forming a cylinder less than 6 mm in diameter. The probe (10) exhibits internal ducts (C1 to C9) forming parallel helicoidal traces on the section (12) and channels (K1 to K9) formed in a metal alloy body (1) between the ducts (C1 to C9) and inlet orifices (O1 to O9). The number of internal ducts (C1 to C9) is advantageously equal to nine, three orifices (O1 to O3, O4 to O6, O7 to O9) being disposed over three different heights (H1 to H3) of the probe body.