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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 30 — Oct. 20, 2001
  • pp: 5379–5387

Simultaneous two-dimensional flow velocity and gas temperature measurements by use of a combined particle image velocimetry and filtered Rayleigh scattering technique

Dieter Most and Alfred Leipertz  »View Author Affiliations


Applied Optics, Vol. 40, Issue 30, pp. 5379-5387 (2001)
http://dx.doi.org/10.1364/AO.40.005379


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Abstract

For the first time, to the best of our knowledge, two-dimensional instantaneous measurements of the flow velocity and the gas temperature have been performed in a turbulent flame with simultaneous use of particle image velocimetry and planar filtered Rayleigh scattering. These single-shot measurements provide simultaneous information on the local flame structure (curvature and temperature gradients) and on the local flow conditions (vortices, flow divergences, and strain rates). The applicability of the technique is demonstrated in a turbulent lean CH4–air V flame.

© 2001 Optical Society of America

OCIS Codes
(120.1740) Instrumentation, measurement, and metrology : Combustion diagnostics
(120.6780) Instrumentation, measurement, and metrology : Temperature
(290.5850) Scattering : Scattering, particles
(290.5870) Scattering : Scattering, Rayleigh

History
Original Manuscript: September 21, 2000
Revised Manuscript: May 10, 2001
Published: October 20, 2001

Citation
Dieter Most and Alfred Leipertz, "Simultaneous two-dimensional flow velocity and gas temperature measurements by use of a combined particle image velocimetry and filtered Rayleigh scattering technique," Appl. Opt. 40, 5379-5387 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-30-5379

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