日本航空宇宙学会誌
Online ISSN : 2424-1369
Print ISSN : 0021-4663
ISSN-L : 0021-4663
放電による固体プロペラントの点火および燃焼制御
橘 武史小林 鶴雄松田 隆木村 逸郎
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ジャーナル フリー

1985 年 33 巻 378 号 p. 433-437

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As the first step of the study of combustion control of solid propellants by electrical discharges, the effects of an arc discharge, which flows along the burning surface, on the burning rate and on the increase of enthalpy of the combustion product were investigated. For specially devised composite propellants, which are composed of Al powder and teflon powder, it was shown that the combustion can be controlled by an arc discharge; the combustion continues when the arc discharge is applied and is interrupted when the arc discharge breaks. In the present investigation, it was also shown that an arc discharge coupled with a high frequency electrical discharge has potentiality as an effective ignition method for solid propellants. For the use of this type of combustion control to an ignitor for a solid propellant rocket motor or to a control rocket motor, this method lacks flexibility in the configuration scale and needs a relatively large electric power at present stage.

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© The Japan Society for Aeronautical and Space Sciences
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