Measurement of internal and external three-dimensional velocities of a submerged shell surface by optical vibrometry

Joseph F. Vignola; Harry J. Simpson; Brian H. Houston

doi:10.1117/12.248685

23 August 1996 Measurement of internal and external three-dimensional velocities of a submerged shell surface by optical vibrometry

Joseph F. Vignola, Harry J. Simpson, Brian H. Houston

Author Affiliations +

Proceedings Volume 2868, Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; (1996) https://doi.org/10.1117/12.248685
Event: Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 1996, Ancona, Italy

Abstract

An all fiber optic multi-axis laser vibrometer system has been constructed for measurements associated with structural acoustics research. This unique experimental capability was developed to allow the measurement of full 3D velocity vectors of both the interior and exterior of a structurally complex submerged cylindrical shell. The system consists of two laser vibrometers positioned by scanning robots. The design of this system as well as some preliminary measurements will be discussed.

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Joseph F. Vignola, Harry J. Simpson, and Brian H. Houston "Measurement of internal and external three-dimensional velocities of a submerged shell surface by optical vibrometry", Proc. SPIE 2868, Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (23 August 1996); https://doi.org/10.1117/12.248685

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