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Recording dynamic fringe patterns with a Cranz-Schardin camera

Paper reviews the requirements of an optimum high-speed photographic system for dynamic photoelasticity and compares the characteristics of the Cranz-Schardin camera with these requirements

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Abstract

The requirements of a high-speed recording system in dynamic photoelastic studies are closely met with a Cranz-Schardin camera. This camera, which operates at framing rates between 32,000 and 815,000 frames/sec, is capable of resolving a dynamic fringe pattern with a fringe gradient of 20 fringes/in. traveling with a velocity of 75,000 ips. Design details of the Cranz-Schardin system are given, and typical results obtained are illustrated.

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Authors and Affiliations

  1. Iowa State University, Ames, Iowa

    W. F. Riley (Associate Professor of Engineering Mechanics)

  2. Experimental Stress Analysis Laboratory, Illinois Institute of Technology, Chicago, Ill.

    J. W. Dally (Professor of Mechanics and Director)

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  1. W. F. Riley
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  2. J. W. Dally
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Riley, W.F., Dally, J.W. Recording dynamic fringe patterns with a Cranz-Schardin camera. Experimental Mechanics 9, 27N–33N (1969). https://doi.org/10.1007/BF02327718

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  • DOI: https://doi.org/10.1007/BF02327718

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