Flow noise source-resonator coupling

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Description

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 ... continued below

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6 p.

Creation Information

Pollack, M.L. November 1, 1997.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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Author

  • Pollack, M.L. Lockheed Martin Corp., Schenectady, NY (United States)

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Publisher

  • Knolls Atomic Power Laboratory
    Publisher Info: Knolls Atomic Power Lab., Schenectady, NY (United States)
    Place of Publication: Schenectady, New York

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Description

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.

Physical Description

6 p.

Notes

INIS; OSTI as DE99001976

Source

  • International mechanical engineering congress and exposition, Dallas, TX (United States), 16-21 Nov 1997

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  • Other: DE99001976
  • Report No.: KAPL-P--000182
  • Report No.: K--97076;CONF-971115--
  • Grant Number: AC12-76SN00052
  • Office of Scientific & Technical Information Report Number: 319791
  • Archival Resource Key: ark:/67531/metadc679951

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • November 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • May 16, 2016, 3:53 p.m.

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Citations, Rights, Re-Use

Pollack, M.L. Flow noise source-resonator coupling, article, November 1, 1997; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc679951/: accessed May 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.