Journal of Aeronautics & Aerospace Engineering
Open Access
ISSN: 2168-9792
+44-77-2385-9429
ISSN: 2168-9792
+44-77-2385-9429
Rubtsov NM
Institute for Structural Macrokinetics and Material Science of Russian Academy of Sciences,
Moscow Region, Chernogolovka
Serbia
Research Article
Interaction of Spherical Flames of Hydrogen-Air and Methane-Air Mixtures in the Closed Reactor at the Central Spark Initiation with Closed Meshed Obstacles
Author(s): Rubtsov NM*,Sepljarsky BS,Naboko IM,Chernysh VI,Tsvetkov GI
Rubtsov NM*,Sepljarsky BS,Naboko IM,Chernysh VI,Tsvetkov GI
It is shown that spark initiated flames of lean hydrogen-air mixtures (8%-15% Ð2) pass through close-meshed aluminum spherical obstacles with the cell size 0.04-0.1 mm2; the flame of 15% Ð2 in air after an obstacle is accelerated; acoustic gas fluctuations occur in the reactor. The flame of 7.5% hydrogen-air mixture does not propagate through the obstacles the flame of 8% natural gas-air mixture is not accelerated after an obstacle; acoustic fluctuations are missing. It is shown that active centers of methane and hydrogen combustion, determining flame propagation, have different chemical nature.
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DOI:
10.4172/2168-9792.1000127