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Proceedings Paper

The application of vision measurement in aerodynamic testing combined with speckle correlation
Author(s): Ding Chen; Jin-guo Zhang; Ye-hua Zhang; Wei Wang; Hong-qiang Ma; Shang-bin Zhang; Jia-bo Feng
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Paper Abstract

This paper presents a combination of visual measurement technique of speckle correlation method in aerodynamic test application. Modal analysis of aerodynamic testing and deformation measurement is often very important but very difficult to achieve, fortunately, the development of modern optical measurement techniques made it possible. First, we conduct the modal analysis on an airfoil model and its deformation analysis under certain conditions. Then, the above technique was used to verify it. The results of the aerodynamic test and finite element analysis agree well, The novel of the new method is combining the speckle correlation and the model deformation in the aerodynamic testing. This method using the speckle correlation to process the data, combining sub-pixel correlation can make the results achieve very high precision and realized the real planar measuring. This non-contact full-field optical metrology shows a lot of abstracting potentials in aerodynamic test applications.

Paper Details

Date Published: 22 June 2015
PDF: 6 pages
Proc. SPIE 9530, Automated Visual Inspection and Machine Vision, 953006 (22 June 2015); doi: 10.1117/12.2184614
Show Author Affiliations
Ding Chen, China Academy of Aerospace Aerodynamics (China)
Jin-guo Zhang, China Academy of Aerospace Aerodynamics (China)
Ye-hua Zhang, China Academy of Aerospace Aerodynamics (China)
Wei Wang, China Academy of Aerospace Aerodynamics (China)
Hong-qiang Ma, China Academy of Aerospace Aerodynamics (China)
Shang-bin Zhang, China Academy of Aerospace Aerodynamics (China)
Jia-bo Feng, China Academy of Aerospace Aerodynamics (China)


Published in SPIE Proceedings Vol. 9530:
Automated Visual Inspection and Machine Vision
Jürgen Beyerer; Fernando Puente León, Editor(s)

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