Engineering Model of Unsteady Flow in a Cavity
Engineering Model of Unsteady Flow in a Cavity

Author: R. C. Bauer

Publisher:

Published: 1991

Total Pages: 90

ISBN-13:

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A mathematical model was assembled from fundamental fluid dynamic relations and turbulent single-stream mixing zone relations to predict spectra, i.e., the frequency and amplitude, of unsteady pressures acting in a rectangular cavity exposed to an external flow parallel to the cavity opening. Characteristics of the approaching boundary layer are expected as inputs, thereby allowing computation of spectra for cases of mass-injection upstream of the cavity. The equations were compiled as a code (CAP) that can be run in less than 15 sec on a personal computer. Maximum dynamic loads acting on the contents of the cavity can be estimated, in addition to the primary frequencies of oscillation.

Further Developments in Turbulence Management
Further Developments in Turbulence Management

Author: K. Krishna Prasad

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 206

ISBN-13: 9401117012

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The thrust of modern research on turbulence in fluids is concerned with coherent structures and modelling. Riblets have been shown to reduce drag, and the papers presented in this volume tackle the main question of the mechanism responsible for this behaviour in turbulent flow. The contributions in this volume were presented at the Sixth Drag Reduction Meeting held at Eindhoven during November 1991. This volume will be a useful reference work for engineers, physicists and applied mathematicians interested in the topic of fluid turbulence.