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Measurements of Energy Losses Associated with Interactions Between Acoustic Waves and a Steady Flow Field

Culick, F. E. C. and Magiawala, K. (1978) Measurements of Energy Losses Associated with Interactions Between Acoustic Waves and a Steady Flow Field. California Institute of Technology , Pasadena, CA. (Unpublished)

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An experimental program has been conducted to study interactions between acoustic waves and non-uniform flow fields. Data have been taken in an impedance tube, modified to accommodate an average flow, and in a resonance tube. Results are given for the influence of flow through a subsonic exhaust vent on an acoustic field. Measurements for circular and slot vents of several sizes and for two frequencies show that the flow through the vent causes a transfer of energy from the average flow field to the acoustic field: The vent acts as a source or gain of acoustic energy.

Item Type:Report or Paper (Technical Report)
Additional Information:© 1978 California Institute of Technology. AFRPL-TR-78-6. Final Report for Period 16 March 1976- 15 November 1977. This report was submitted by Daniel and Florence Guggenheim Jet Propulsion Center, California Institute of Technology, Pasadena, California 91 125, under Contract No. F04611-75-C-0010, Job Order No. 573010AU with the Air Force Rocket Propulsion Laboratory, Edwards AF B, California 93523.
Funding AgencyGrant Number
Air Force Rocket Propulsion LaboratoryF04611-71- C- 0060
Subject Keywords:Combustion Instability, T-Burners, Acoustics, Solid Propellant Rockets
Record Number:CaltechAUTHORS:20141017-143920713
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50505
Deposited On:20 Oct 2014 15:48
Last Modified:03 Oct 2019 07:24

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