Operation of a gas generator controlled by supplying a gaseous oxidizer |
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Authors: | D A Vnuchkov V I Zvegintsev D G Nalivaichenko S I Shpak |
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Affiliation: | (1) Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090, Russia |
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Abstract: | The possibility of arranging a gas generator with the heat-release process being controlled by supplying a gaseous oxidizer
is experimentally checked. Gaseous hydrogen, liquid gasoline, and solid hexamethylene tetramine (solidified alcohol) is used
as a fuel. The gas generator with a proposed configuration is demonstrated to ensure stable operation during combustion of
various fuels; the pressure in the gas-generator combustion chamber does not exceed the pressure of oxidizer supply and clearly
correlates with variations of the oxidizer mass flow. Quasi-steady calculations allow determining all parameters of the process,
including those that are not measured in the experiment. In particular, the temperature of combustion products is found to
be 600–1900 K, and the gas generator forms a high-temperature mixture containing a non-reacted fuel (the air-to-fuel ratio
is α = 0.55–2.30).
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Translated from Fizika Goreniya i Vzryva, Vol. 44, No. 6, pp. 18–25, November–December, 2008. |
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Keywords: | gas generator gaseous oxidizer combustion control experiment quasisteady calculations |
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