Published March 1978
| Submitted
Technical Report
Open
Measurements of Energy Losses Associated with Interactions Between Acoustic Waves and a Steady Flow Field
- Creators
- Culick, F. E. C.
- Magiawala, K.
Chicago
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Abstract
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.
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.Attached Files
Submitted - AFRPL-TR-78-6.pdf
Files
AFRPL-TR-78-6.pdf
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Additional details
- Eprint ID
- 50505
- Resolver ID
- CaltechAUTHORS:20141017-143920713
- Air Force Rocket Propulsion Laboratory
- F04611-71- C- 0060
- Created
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2014-10-20Created from EPrint's datestamp field
- Updated
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2019-10-03Created from EPrint's last_modified field
- Caltech groups
- GALCIT