Testing device for measuring plane global frictional force vector field, and working method
A technology for measuring planes and test devices, applied in the field of aerodynamics, can solve the problems of high requirements for instrument design and installation, cumbersome measurement process, and inability to perform global measurement with friction force measurement technology. The effect of avoiding light interference and easy disassembly
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[0033] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and the drawings, and the content mentioned in the embodiments does not limit the present invention.
[0034] Reference figure 1 As shown, a test device for measuring the friction force vector field on the surface of a flat plate of the present invention includes a downstream flat plate 1, a detachable blackened flat plate 2, a calibration line 3, a bracket 4, a light source 5, a movable hinge 6, and an angle disk 7. , Rotatable cantilever 8, adjustable connecting rod 9, camera connecting bracket 10, hinge connecting part 11, among which,
[0035] The downstream flat plate 1 is connected to the nozzle, and the connection is smoothly transitioned to generate a flow field; the detachable blackened flat plate 2 is embedded in the test area of the downstream flat plate 1 to ensure that the upper surface of the detachable...
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