Low-Frequency Feed-System-Coupled Combustion Instability in Hybrid Rocket Motors

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概要

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• The low-frequency unstable combustion of hybrid rocket motors was investigated using the transfer function of the full thermal-combustion-gasdynamic coupled system that was coupled with a liquid oxidizer feed system. This transfer function was obtained based on the method developed by Karabeyoglu et al. The transfer function is applicable to the motors that have a long fuel port length. The linear stability limits and the frequencies of pressure oscillations in hybrid rocket motors were obtained theoretically using the transfer function. In addition, we compared these results with the results obtained under the assumption that various physical quantities change in bulk mode.

著者

• Yuasa Saburo

  Department Of Aerospace Engineering Tokyo Metropolitan Institute Of Technology

• Yamaguchi Shigeru

  Department Of Applied Chemistry Faculty Of Engineering Ehime Universiry

• Morita Takakazu

  Department Of Aeronautics And Astronautics

• KITAGAWA Koki

  Institute of Space and Astronautical Science, JAXA

• SHIMADA Toru

  Institute of Space and Astronautical Science, JAXA

• SHIMADA Toru

  Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

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