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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
ISSN: 1094-4087
Appears in Collections:Publications
Mechanical and Aerospace Engineering
Brunel OA Publishing Fund
Dept of Mechanical Aerospace and Civil Engineering Research Papers

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