Servo-Stabilization of Combustion in Rocket Motors

H.S. Tsienimage

(Daniel and Florence Guggenheim Jet Propulsion Center, California Institute of Technology, Pasadena, Calif.)

This paper shows that the combustion in the rocket motor can be stabilized against any value of time lag in combustion by a feedback servo link from a chamber pressure pickup, through an appropriately designed amplifier, to a control capacitance on the propellant feed line. The technique of stability analysis is based upon a combination of the Satche diagram and the Nyquist diagram. For simplicity of calculation, only low-frequency oscillations in monopropellant rocket motors ...

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