NASA NTRS · 19740002600
POGO Instabilities Suppression Evaluation
Abstract
A dynamic (frequency response) analysis was made of a liquid oxygen feed system consisting of a low-speed inducer, a high-speed main pump and a positive displacement pulser utilized for simulating pogo induced pressure oscillations. Based on the results of the analysis, an active control system for suppression of pulser generated pressure oscillations was designed, fabricated and tested. The test results verified that the suppressor was effective in attenuating the generated pressure oscillations over the frequency range from 10 to 30 Hz.
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Farrel, E. C., Fenwick, J. R.. 1973-11-01. POGO Instabilities Suppression Evaluation. https://ntrs.nasa.gov/citations/19740002600
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