Stability of an Axisymmetric Wake
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概要
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The stability of an axisymmetric wake is studied relative to infinitesimal axisymmetric disturbances. The Orr-Sommerfeld equation is solved by an expansion in powers of $\alpha R$, where $\alpha$ is the non-dimensional wave number and $R$ the Reynolds number with respect to the effective radius and the velocity defect in the center of the wake. The critical Reynolds number is found to be 5.19. The asymptotic behavior of the neutral curve as $\alpha\rightarrow 0$ is such that $R\rightarrow 1.08\alpha^{-1}$ and $c\rightarrow 0.676$.
- Physical Society of Japanの論文
- 1968-03-05
著者
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Kambe Tsutomu
Institute Of Dynamical Systems
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Nakaya Choji
Institute Of Interdisciplinary Ressearch Faculty Of Engineering University Of Tokyo
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Nakaya Choji
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
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Kambe Tsutomu
Institute of Space and Aeronautical Science, University of Tokyo, Tokyo
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