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Optoelectronic-strain-measurement system for rotating disks

Research paper by M. L. Simpson, D. E. Welch

Indexed on: 01 Mar '87Published on: 01 Mar '87Published in: Experimental mechanics



Abstract

A recently developed optical technique is presented in the following paper for measuring in-plane deformations and strains of rotating hardware. The technique is fully described. Data are presented which were obtained in preliminary tests using the system on a rotating disk. The experiments show that the system is capable of making radial-deformation measurements to within 9.5 μm over a 10-mm range.