Term Pogo is derived from similarity observed in out-of-phase motion of ends of vehicles to action of Pogo stick; Pogo oscillations result from interaction between longitudinal structural mode of vibration and liquid propulsion system; linear mathematical model is used to establish transfer functions for stability analysis; propulsion system exhibits resonance at frequencies determined by pump cavitation and suction line wave propagation characteristics; system is examined from closed and open-loop standpoint; proximity of suction line first resonance to natural frequency of structural mode is significant stability factor.
Longitudinal instability of liquid rockets due to propulsion feedback (Pogo)
J Spacecraft Rockets
Journal of Spacecraft and Rockets ; 3 , n 8
1966
8 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Advanced Pogo stability analysis for liquid rockets
AIAA | 1993
|Advanced Pogo stability analysis for liquid rockets
AIAA | 1992
|Advanced Pogo Stability Analysis for Liquid Rockets
Online Contents | 1993
|