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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 7, Iss. 12 — Dec. 1, 1968
  • pp: 2383–2391

An Optical Technique for Measurement of Gas Flow Profiles Utilizing a Ring Laser

Paul Fenster and Walter K. Kahn  »View Author Affiliations


Applied Optics, Vol. 7, Issue 12, pp. 2383-2391 (1968)
http://dx.doi.org/10.1364/AO.7.002383


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Abstract

Fluid flow measurement capabilities of a traveling wave laser oscillator (or ring laser) are assessed theoretically and experimentally. The feasibility of this alternative optical technique for measuring gas flow profiles without insertion of a mechanical probe is examined. Measurements are reported for a range of Reynolds numbers including both laminar and turbulent flows and for a variety of tube diameters. The experimental results are compared with the theory of conditions preceding the establishment of the equilibrium laminar flow profile in round tubes.

© 1968 Optical Society of America

History
Original Manuscript: June 6, 1968
Published: December 1, 1968

Citation
Paul Fenster and Walter K. Kahn, "An Optical Technique for Measurement of Gas Flow Profiles Utilizing a Ring Laser," Appl. Opt. 7, 2383-2391 (1968)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-7-12-2383

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