Artigo Revisado por pares

Planar temperature measurement in compressible flows using laser-induced iodine fluorescence

1991; Optica Publishing Group; Volume: 16; Issue: 2 Linguagem: Inglês

10.1364/ol.16.000106

ISSN

1539-4794

Autores

Roy Hartfield, Steven D. Hollo, James C. McDaniel,

Tópico(s)

Spectroscopy and Laser Applications

Resumo

A laser-induced iodine fluorescence technique that is suitable for the planar measurement of temperature in cold nonreacting compressible air flows is investigated analytically and demonstrated in a known flow field. The technique is based on the temperature dependence of the broadband fluorescence from iodine excited by the 514-nm line of an argon-ion laser. Temperatures ranging from 165 to 245 K were measured in the calibration flow field. This technique makes complete, spatially resolved surveys of temperature practical in highly three-dimensional, low-temperature compressible flows.

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