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http://bura.brunel.ac.uk/handle/2438/7923
Title: | Gas phase thermometry of hot turbulent jets using laser induced phosphorescence |
Authors: | Zhao, H Ganippa, L |
Issue Date: | 2013 |
Publisher: | Optical Society of America |
Citation: | Optics Express, 21(10), 12260 - 12281, 2013 |
Abstract: | The temperature distributions of heated turbulent jets of air were determined using two dimensional (planar) laser induced phosphorescence. The jets were heated to specific temperature increments, ranging from 300 – 850 K and several Reynolds numbers were investigated at each temperature. The spectral ratio technique was used in conjunction with thermographic phosphors BAM and YAG:Dy, individually. Single shot and time averaged results are presented as two dimensional stacked images of turbulent jets. YAG:Dy did not produce a high enough signal for single shot measurements. The results allowed for a direct comparison between BAM and YAG:Dy, revealing that BAM is more suitable for relatively lower temperature, fast and turbulent regimes and that YAG:Dy is more suited to relatively higher temperature, steady flow situations. |
Description: | This article is made available through the Brunel Open Access Publishing Fund. Copyright @ 2013 OSA |
URI: | http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-21-10-12260 http://bura.brunel.ac.uk/handle/2438/7923 |
DOI: | http://dx.doi.org/10.1364/OE.21.012260 |
ISSN: | 1094-4087 |
Appears in Collections: | Publications Mechanical and Aerospace Engineering Brunel OA Publishing Fund Dept of Mechanical and Aerospace Engineering Research Papers |
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Fulltext.pdf | 1.1 MB | Adobe PDF | View/Open |
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