Superstructures in a diffusion torch

The paper presents the experimental results for isothermal flows (CO2, propane) and diffusion flames (C3H8 or H2 mixed with CO2). Optical method of PIV (Particle Image Velocimetry) and flow visualization are used. The paper considers the features of the effect of vortex superstructures on an attache...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-11, Vol.1677 (1), p.12041
Main Authors: Lemanov, V V, Lukashov, V V, Sharov, K A
Format: Article
Language:English
Subjects:
Carbon dioxide
Density distribution
Diffusion
Diffusion flames
Flame propagation
Flow visualization
Isothermal flow
Particle image velocimetry
Perturbation
Physics
Superstructures
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Summary:The paper presents the experimental results for isothermal flows (CO2, propane) and diffusion flames (C3H8 or H2 mixed with CO2). Optical method of PIV (Particle Image Velocimetry) and flow visualization are used. The paper considers the features of the effect of vortex superstructures on an attached diffusion plume. When superstructures interact with the flame front, the question of choosing the determining scales becomes ambiguous. Apparently, the features of the perturbation interaction can depend on the acoustic characteristics of the flows and, accordingly, on the nature of the density distribution in the plume.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1677/1/012041