Experimental study of the length and structure of a free-diffusion burning-gases flame

Experimental studies of the length of vertical isolated burning flames with hydrogen and methane outflow from cylindrical nozzles of diameter 2, 3, 5 and 10 mm into the atmosphere at Re 0 = 100–6800 have been made. The data obtained have been approximated by simple calculated dependences. The applic...

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Bibliographic Details
Published in:Journal of engineering physics and thermophysics 2009-03, Vol.82 (2), p.296-302
Main Authors: Polezhaev, Yu. V., Vorob’ev, V. A., Isakov, D. V., Korovin, G. K., Lozino-Lazinskaya, I. G., Mostinskii, I. L., Stonik, O. G., Shigin, R. L.
Format: Article
Language:English
Subjects:
Approximation
Bending
Classical Mechanics
Complex Systems
Diffusion
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Hydrogasdynamics in Technological Processes
Industrial Chemistry/Chemical Engineering
Jets
Mathematical analysis
Methane
Nozzles
Recording
Thermodynamics
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Summary:Experimental studies of the length of vertical isolated burning flames with hydrogen and methane outflow from cylindrical nozzles of diameter 2, 3, 5 and 10 mm into the atmosphere at Re 0 = 100–6800 have been made. The data obtained have been approximated by simple calculated dependences. The application of various methods for recording the length of a luminous flame (visual, black-and-white photography, video and digital cameras) has made it possible to not only explain the discrepancies between sizes but also record (at short exposures) elementary bending bright cylindrical jets creating, when superimposed on the another, one known spindle-shaped form of the flame.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-009-0193-x