Flow noise source-resonator coupling
- Lockheed Martin Corp., Schenectady, NY (United States)
This paper investigates the coupling mechanism between flow noise sources and acoustic resonators. Analytical solutions are developed for the classical cases of monopole and dipole types of flow noise sources. The effectiveness of the coupling between the acoustic resonator and the noise source is shown to be dependent on the type of noise source as well as its location on the acoustic pressure mode shape. For a monopole source, the maximum coupling occurs when the noise source is most intense near an acoustic pressure antinode (i.e., location of maximum acoustic pressure). A numerical study with the impedance method demonstrates this effect. A dipole source couples most effectively when located near an acoustic pressure node.
- Research Organization:
- Knolls Atomic Power Lab. (KAPL), Niskayuna, NY (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Nuclear Energy, Washington, DC (United States)
- DOE Contract Number:
- AC12-76SN00052
- OSTI ID:
- 319791
- Report Number(s):
- KAPL-P-000182; K-97076; CONF-971115-; ON: DE99001976; TRN: 99:003973
- Resource Relation:
- Conference: International mechanical engineering congress and exposition, Dallas, TX (United States), 16-21 Nov 1997; Other Information: PBD: Nov 1997
- Country of Publication:
- United States
- Language:
- English
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