668 research outputs found

    Soot formation in the methane oxygen and methane/oxygen/hydrogen flame

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    The feasibility of using methane, recovered from carbon dioxide by the Sabatier-Senderens reaction, was investigated as a fuel in a reaction control engine. A problem to be avoided is the emission of soot particles. It is thought that such particles would remain in the environment of the spacecraft and, thereby, adversely affect optical sightings and possibly have an effect upon communications. The initial studies were of a practical nature. The first was the influence of the spatial arrangement of the fuel and oxygen injectors on soot formation. In the second study, inhibition of soot formation was considered. Considering the given situation, it was impractical to use an additive. However, since methanol combustion does not produce soot, and methanol can be produced from methane in situ, the possibility that methanol could act as an inhibitor was studied. In the third study, since these are restartable engines, the effect of shutdown on the rapidity of soot formation was studied

    As I Look to the Sky, Maize

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    No Longer

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    I Again Awake

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    Bonding Women

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    Hope for a Peaceful Coming Around

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    Haiku For Me to Possess

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    The Surreal Sonnet

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    Music = Love?

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