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RESEARCH PAPERS

Diffractographic Techniques for Vibration Measurement

[+] Author and Article Information
W. J. Pastorius

Department of Mechanical Engineering, University of Survey, Guildford, Surrey, England

T. R. Pryor

Diffracto Ltd., Windsor, Ontario, Canada

J. Eng. Ind 96(2), 553-556 (May 01, 1974) (4 pages) doi:10.1115/1.3438364 History: Received June 06, 1973; Online July 15, 2010

Abstract

The single slit diffraction phenomenon is shown to be useful as a noncontacting vibration measurement technique. The diffracting slit is formed between the vibrating object and stationary reference point. Little or no mass need be added to the object. Several readout techniques are described as well as a method for determining vibratory data along a line, in which case vibratory amplitude may be determined at all points in one coordinate direction.

Copyright © 1974 by ASME
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