Analysis of fluid-structural instability in water

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Description

Recent flow testing of stainless steel hardware in a high pressure/high temperature water environment produced an apparent fluid-structural instability. The source of instability was investigated by studying textbook theory and by performing NASTRAN finite element analyses. The modal analyses identified the mode that was being excited, but the flutter instability analysis showed that the design is stable if minimal structural damping is present. Therefore, it was suspected that the test hardware was the root cause of the instability. Further testing confirmed this suspicion.

Physical Description

18 p.

Creation Information

Piccirillo, N. February 1, 1997.

Context

This report 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 report can be viewed below.

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Author

  • Piccirillo, N. 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

Recent flow testing of stainless steel hardware in a high pressure/high temperature water environment produced an apparent fluid-structural instability. The source of instability was investigated by studying textbook theory and by performing NASTRAN finite element analyses. The modal analyses identified the mode that was being excited, but the flutter instability analysis showed that the design is stable if minimal structural damping is present. Therefore, it was suspected that the test hardware was the root cause of the instability. Further testing confirmed this suspicion.

Physical Description

18 p.

Notes

INIS; OSTI as DE99002677

Source

  • International modal analysis conference, Orlando, FL (United States), 3-6 Feb 1997

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Item Type

Identifier

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  • Other: DE99002677
  • Report No.: KAPL-P--000231
  • Report No.: K--96117;CONF-970233--
  • Grant Number: AC12-76SN00052
  • DOI: 10.2172/350944 | External Link
  • Office of Scientific & Technical Information Report Number: 350944
  • Archival Resource Key: ark:/67531/metadc680125

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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

  • February 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • May 16, 2016, 12:22 p.m.

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Citations, Rights, Re-Use

Piccirillo, N. Analysis of fluid-structural instability in water, report, February 1, 1997; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc680125/: accessed December 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.