Research Article
Aug 1965
Added Mass of a Sphere in a Bounded Viscous Fluid
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VIEW THE REPLYAuthors: Kenneth G. McConnell and Donald F. YoungAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 91, Issue 4
Abstract
The validity of potential flow and Stokes viscous flow theory was investigated experimentally to determine the effect of a real fluid on an oscillating rigid sphere bounded by a concentric spherical shell. Added mass and damping coefficients were determined over a range of Stokes numbers of 400 to 3.5 × 105. Results of the experiments indicate that Stokes viscous flow solution is valid over this entire range of Stokes numbers for small amplitudes of oscillation and that the potential solution is approached asymptotically for large Stokes numbers. A simple apparatus is described that was used to accurately determine both added mass and damping coefficients.
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Published In
Journal of the Engineering Mechanics Division
Volume 91 • Issue 4 • August 1965
Pages: 147 - 164
Copyright
© 1965 American Society of Civil Engineers.
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Published in print: Aug 1965
Published online: Feb 3, 2021
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Kenneth G. McConnell
Asst. Prof. of Engrg. Mechanics, Iowa State Univ., Ames, Iowa.
Donald F. Young
Prof. of Engrg. Mechanics, Iowa State Univ., Ames, Iowa.
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