Testing device capable of calibrating air inlet flow of aero-engine
The invention belongs to the technical field of aviation, and provides a test device capable of calibrating the air inlet flow of an aero-engine, and the device comprises an air flow channel assembly, a supporting assembly used for supporting the air flow channel assembly, and an engine in butt join...
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creator | CAO QINGYU LI YANJUN LIANG BAOKUI YANG HE YIN DONG JI HAIYUN LIU XUFENG |
description | The invention belongs to the technical field of aviation, and provides a test device capable of calibrating the air inlet flow of an aero-engine, and the device comprises an air flow channel assembly, a supporting assembly used for supporting the air flow channel assembly, and an engine in butt joint with the tail end of the air flow channel assembly. The air flow channel assembly sequentially comprises an air inlet flow pipe, a straight pipe measuring section, a diffusion switching section, a diffusion section, a front pressure stabilizing section with an invariable inner diameter, a nozzle set mounting section, a rear pressure stabilizing section, a contraction section, a short straight section and a horn mouth switching section from the head end to the tail end. Wherein a plurality of critical flow venturi nozzles used for measuring flow are mounted on the nozzle group mounting section, each critical flow venturi nozzle is provided with an air flow channel, an electromagnetic valve for controlling the open |
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subjects | MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
title | Testing device capable of calibrating air inlet flow of aero-engine |
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