2023
DOI: 10.1007/s00348-023-03657-0
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Investigation of the applicability of conditioned particle image velocimetry under conditions close to lean blow-off

Abstract: In recent years, conditioned particle image velocimetry (CPIV) has attracted much attention for flame front extraction. It is an economical and straightforward technique because the flame front can be obtained simply from Mie-scattering images. In the current work, Mie-scattering and hydroxyl planar laser-induced fluorescence (OH-PLIF) measurements were taken simultaneously to study the applicability of CPIV under conditions with varying equivalence ratios, and the reliable working range of the CPIV method and… Show more

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Cited by 2 publications
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“…The laser induced fluorescence (LIF) signal from radicals such as OH and CH, which are generated during combustion, is frequently used for flame front tracking [4][5][6][7]. Another common approach adapts particle image velocimetry (PIV, also called Conditioned PIV when it was first proposed for flame front extractions and in some later publications) [8,9]. It works by detecting the sharp particle number density gradient in the Mie-scattering images of the seeding particles, caused by the temperature change between the unburned and burned regions.…”
mentioning
confidence: 99%
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“…The laser induced fluorescence (LIF) signal from radicals such as OH and CH, which are generated during combustion, is frequently used for flame front tracking [4][5][6][7]. Another common approach adapts particle image velocimetry (PIV, also called Conditioned PIV when it was first proposed for flame front extractions and in some later publications) [8,9]. It works by detecting the sharp particle number density gradient in the Mie-scattering images of the seeding particles, caused by the temperature change between the unburned and burned regions.…”
mentioning
confidence: 99%
“…It works by detecting the sharp particle number density gradient in the Mie-scattering images of the seeding particles, caused by the temperature change between the unburned and burned regions. It was proposed as a low-cost and reliable alternative for flame front detection, and has been applied widely [8][9][10][11][12][13]. Besides, the PIV method can achieve simultaneous measurement of flame front position and flow velocity field, enabling relatively simple determination of flow-flame interaction and flame displacement speed without needing an additional LIF system [10,11].…”
mentioning
confidence: 99%