Investigation of the trajectories and length of combustible gas jet flames in a sweeping air stream

The trajectories of round gas jets and jet flames introduced into a sweeping air stream are studied. The influence of various initial conditions and of the physical properties of gases on the trajectory is considered. Experimental verification of the available approximation relations for the traject...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2011-05, Vol.84 (3), p.624-630
Main Authors: Polezhaev, Yu. V., Mostinskii, I. L., Lamden, D. I., Stonik, O. G.
Format: Article
Language:English
Subjects:
Approximation
Blowing
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Heat and Mass Trasfer in Combustion Processes
Industrial Chemistry/Chemical Engineering
Investigations
Jet flames
Mathematical analysis
Physical properties
Streams
Sweeping
Thermodynamics
Toy industry
Trajectories
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Summary:The trajectories of round gas jets and jet flames introduced into a sweeping air stream are studied. The influence of various initial conditions and of the physical properties of gases on the trajectory is considered. Experimental verification of the available approximation relations for the trajectories of flames in a wide range of the values of the blowing ratio has been carried out. It is shown that the newly obtained experimental approximation of the trajectory shape differs from the existing ones by about 20%. At small values of the blowing ratio (smaller than ~4.5) the flame trajectories cease to depend on it.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-011-0514-8