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Use of a sampling feedback system for stabilization of low frequency oscillations in liquid monopropellant rocket motors

Citation

Fernandez, Raymond Caesar (1953) Use of a sampling feedback system for stabilization of low frequency oscillations in liquid monopropellant rocket motors. Engineer's thesis, California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-04232003-090202

Abstract

Instability in liquid monopropellant rocket motors may be corrected by the use of a feedback servomechanism. This mechanism consists essentially of a pressure pickup which senses pressure oscillations in the combustion chamber, an amplifier and a variable capacitance in the feed line. It is shown that a feedback system with an arbitrary sampling circuit which causes the capacitance in the line to complete its own cycle of variation once for every several cycles of combustion pressure oscillations can be made to stabilize the oscillations for all values of combustion time lag for a particular motor. It is believed that this system of stabilization may be applied to monopropellant motors in general.

Item Type:Thesis (Engineer's thesis)
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Aeronautics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Unknown, Unknown
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1953
Record Number:CaltechETD:etd-04232003-090202
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-04232003-090202
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1462
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:23 Apr 2003
Last Modified:26 Dec 2012 02:38

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