Actions for Suppression of combustion oscillations with mechanical damping devices

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Suppression of combustion oscillations with mechanical damping devices

Published
Jun 12, 1971.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Nonarray absorbing devices were investigated for use in rocket thrust chambers as instability suppressors. A theory for designing absorbing devices suitable for rocket application is derived, and a nonarray computer program is developed. The experimental program used to verify the theory is discussed. It is concluded that individual acoustical devices can be designed for maximum energy absorption, and it is recommended that single resonators be designed so that the ratio of the aperture diameter to the product of the quarter-wave length and cavity backing depth is less than one.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19720019308.
Accession ID: 72N26958.
PWA-FR-4993.
NASA-CR-123721.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15946473