Spin-up from a rotating disk-Reference-Cited by-同舟云学术

Spin-up from a rotating disk

Published:1976-12-07 Issue:3 Volume:78 Page:609-619
ISSN:0022-1120
Container-title:Journal of Fluid Mechanics
language:en
Short-container-title:J. Fluid Mech.

Author:

Chawla S. S.

Abstract

An analytical–numerical analysis of the fluid motion induced by an impulsive change in the angular velocity of a rotating disk is presented. Separate solutions are derived for the early development and for the approach to the ultimate state. The superposed flow is found to have variations on two length scales, and is characterized by the generation and propagation of shear-type wave trains. These decaying wave trains ultimately lead to the new von Kármán state corresponding to the changed angular velocity of the disk.

Publisher

Cambridge University Press (CUP)

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference9 articles.

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2. Nigam, S. D. 1951 Quart. Appl. Math. 9,89.

3. Greenspan, H. P. & Howard, L. N. 1963 J. Fluid Mech. 17,385.

4. Kármán, Th. Von 1921 Z. angew. Math. Mech. 1,244.

5. Thiriot, H. K. 1940 Z. angew. Math. Mech. 20,1.

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