Optical fiber measurements of particle velocity using laser-induced phosphorescence

Journal Article · Mon May 20 00:00:00 EDT 1991 · Applied Optics; (United States)

DOI:https://doi.org/10.1364/AO.30.001976· OSTI ID:5610420

Louge, M Y ^[1]; Iyer, S A; Giannelis, E P ^[2]; Lischer, D J; Chang, H ^[3]

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1. Cornell University, Ithaca, New York 14853-7501 (USA)
2. Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853-7501 (USA)
3. Sibley School of Mechanical Aerospace Engineering, Cornell University, Ithaca, New York 14853-7501 (USA)

An optical fiber anemometer that uses laser-induced phosphorescence to measure particle time of flight in dense gas-solid suspensions is described. The anemometer is tested using a spinning disk coated with a phosphor having a persistent afterglow. The diagnostic technique is illustrated by measuring the velocity of free-falling particles coated with the same phosphor. Monte Carlo simulations are employed to determine the optical characteristics of the probe, including its measurement volume.

• DOE Contract Number: AC22-88PC88947
• OSTI ID: 5610420
• Journal Information: Applied Optics; (United States), Vol. 30:15; ISSN 0003-6935
• Country of Publication: United States
• Language: English

Related Subjects

47 OTHER INSTRUMENTATION
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
OPTICAL FIBERS
PROBES
PARTICULATES
VELOCITY
ANEMOMETERS
FLUID FLOW
LASER RADIATION
PHOSPHORESCENCE
SUSPENSIONS
TIME-OF-FLIGHT METHOD
DISPERSIONS
ELECTROMAGNETIC RADIATION
FIBERS
LUMINESCENCE
MEASURING INSTRUMENTS
PARTICLES
RADIATIONS
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