Experiments on Combustion Kernel Growth in Gaseous Explosions

The tempo-spatial evolution of the combustion kernel in gas phase explosions was experimentally investigated using Schlieren photography. Methane and propane-air explosions were initiated in a cylindrical explosion vessel at a range of equivalence ratios ranging from 0.6 to 1.4. All explosions were...

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Bibliographic Details
Published in:Proceedings of the 10th International Conference 2009-10, Vol.1225, p.225-235
Main Authors: Saqr, Khalid M, Wahid, Mazlan Abdul, Ujir, Haffis, Sies, Mohsin M
Format: Article
Language:English
Subjects:
Cellular
Cellular structure
Combustion
Energy use
Equivalence ratio
Evolution
Explosions
Flame structure
Gas phases
Ignition
Kernels
Methane
Schlieren photography
Vessels
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Summary:The tempo-spatial evolution of the combustion kernel in gas phase explosions was experimentally investigated using Schlieren photography. Methane and propane-air explosions were initiated in a cylindrical explosion vessel at a range of equivalence ratios ranging from 0.6 to 1.4. All explosions were initiated using 25 mj ignition energy at ambient conditions. The kernel growth rate, and cellular flame structure are observed and analyzed.
ISSN:0094-243X