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On the drag and shedding frequency of two-dimensional bluff bodies
- Author / Creator
- Available as
- Online
- Summary
-
Dimensional analysis of a simple model of the region leads to a universal Strouhal number S* which is then experimentally determined as a function of wake Reynolds number R*. This result, together ...
Dimensional analysis of a simple model of the region leads to a universal Strouhal number S* which is then experimentally determined as a function of wake Reynolds number R*. This result, together with free-streamline theory, allows the drag to be calculated from a measurement of the shedding frequency and furnishes a useful correlation between different bluff cylinders.
By allowing for some annihilation of the vorticity in the free shear layers, it is show how to combine the free-streamline theory with Karman's theory of the vortex street to obtain a solution dependent on the only one experimental measurement.
Details
- Creator
- by Anatol Roshko
- Format
- Books
- Language
- English
- Contributors
- Publication
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- Washington, D.C. : National Advisory Committee for Aeronautics, 1954
- Physical Details
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- 1 online resource (29 pages) : illustrations, tables
- data file
- OCLC
- on1377219598
- Title from title screen (viewed April 17, 2023)
- Date of issue: July 1954.
- Report numbers NACA-TN-3169.
- "California Institute of Technology."
- Includes bibliographical references (page 18)
- Electronic reproduction. Denton, Texas : University of North Texas, 2011. Electronic reproduction from print master produced by University of North Texas.