On Stability and Turbulence of Fluid Flows

One of 1,437 reports in the series: NACA Technical Memorandums available on this site.

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Description

This investigation is divided into two parts, the treatment of the stability problem of fluid flows on the one hand, and that of the turbulent motion on the other. The first part summarizes all previous investigations under a unified point of view, that is, sets up as generally as possible the conditions under which a profile possesses unstable or stable characteristics, and indicates the methods for solution of the stability equation for any arbitrary velocity profile and for calculation of the critical Reynolds number for unstable profiles. In the second part, under certain greatly idealizing assumptions, differential equations for the ... continued below

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60 p.

Creation Information

Heisenberg, Werner June 1951.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and one other and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 97 times . More information about this report can be viewed below.

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Titles

  • Main Title: On Stability and Turbulence of Fluid Flows
  • Series Title: NACA Technical Memorandums
  • Parallel Title: Über Stabilität und Turbulenz von Flüssigkeitsströmen

Description

This investigation is divided into two parts, the treatment of the stability problem of fluid flows on the one hand, and that of the turbulent motion on the other. The first part summarizes all previous investigations under a unified point of view, that is, sets up as generally as possible the conditions under which a profile possesses unstable or stable characteristics, and indicates the methods for solution of the stability equation for any arbitrary velocity profile and for calculation of the critical Reynolds number for unstable profiles. In the second part, under certain greatly idealizing assumptions, differential equations for the turbulent motions are derived and from them qualitative information about several properties of the turbulent velocity distribution is obtained.

Physical Description

60 p.

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Identifier

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  • Accession or Local Control No: 93R23265
  • URL: http://hdl.handle.net/2060/19930093939 External Link
  • Report No.: NACA-TM-1291
  • Center for AeroSpace Information Number: 19930093939
  • Archival Resource Key: ark:/67531/metadc63011

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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Creation Date

  • June 1951

Added to The UNT Digital Library

  • Nov. 17, 2011, 5:13 p.m.

Description Last Updated

  • Nov. 12, 2018, 2:18 p.m.

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Heisenberg, Werner. On Stability and Turbulence of Fluid Flows, report, June 1951; (digital.library.unt.edu/ark:/67531/metadc63011/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.