Method and device for obtaining buffeting characteristics by using static force measurement test model

The invention belongs to the technical field of aerodynamic design of airplanes, and particularly relates to a method and a device for acquiring buffeting characteristics by using a static force measurement test model. The method comprises the following steps: S1, controlling an airplane model to re...

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Hauptverfasser: SUN YINGDAN, ZHOU JILIANG, YANG DEMIN, WANG MUGUO, GUO CANSHENG
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creator SUN YINGDAN
ZHOU JILIANG
YANG DEMIN
WANG MUGUO
GUO CANSHENG
description The invention belongs to the technical field of aerodynamic design of airplanes, and particularly relates to a method and a device for acquiring buffeting characteristics by using a static force measurement test model. The method comprises the following steps: S1, controlling an airplane model to reach a specified attack angle attitude in a wind tunnel flow field within a specified attack angle change range according to a set step length; s2, after the wind tunnel flow field is stabilized, collecting aerodynamic force borne by a strain balance used for measuring the aerodynamic force on the airplane model; s3, calculating the root mean square of the pulsating quantity of the pitch moment coefficient according to the collection result; s4, based on an accelerometer arranged at the nose position of the airplane model, determining the acceleration of the nose position of the airplane model; and S5, determining the buffeting intensity of the specified attack angle attitude according to the root mean square of the
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subjects MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
PHYSICS
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
title Method and device for obtaining buffeting characteristics by using static force measurement test model
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