Experiments on Turbulent Wakes in a Stable Density-stratified Environment

Experiments on Turbulent Wakes in a Stable Density-stratified Environment PDF Author: Walter P. M. van de Watering
Publisher:
ISBN:
Category : Turbulence
Languages : en
Pages : 74

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Book Description
In a laboratory experiment, turbulent mixed regions were generated in a linearly density-stratified fluid and their behavior was studied. Such regions may occur in nature in the atmosphere and in the ocean. Particularly during their early history, the shape of such regions is influenced by the interacting effects of turbulence and buoyancy, culminating in the occurrence of a maximum thickness and subsequent vertical collapse. A Richardson number (equivalent to the ratio of the characteristic turbulence time and the Vaisala period) was found satisfactorily to correlate the data obtained, together with those previously obtained by other investigators with self-propelled bodies. An estimate is made of the degree of mixing that takes place inside a turbulent mixed region during its growth in stably-stratified surroundings: the effectiveness of this mixing determines the ultimate thickness to which the mixing region collapses. (Author).

Experiments on Turbulent Wakes in a Stable Density-stratified Environment

Experiments on Turbulent Wakes in a Stable Density-stratified Environment PDF Author: Walter P. M. van de Watering
Publisher:
ISBN:
Category : Turbulence
Languages : en
Pages : 74

Get Book Here

Book Description
In a laboratory experiment, turbulent mixed regions were generated in a linearly density-stratified fluid and their behavior was studied. Such regions may occur in nature in the atmosphere and in the ocean. Particularly during their early history, the shape of such regions is influenced by the interacting effects of turbulence and buoyancy, culminating in the occurrence of a maximum thickness and subsequent vertical collapse. A Richardson number (equivalent to the ratio of the characteristic turbulence time and the Vaisala period) was found satisfactorily to correlate the data obtained, together with those previously obtained by other investigators with self-propelled bodies. An estimate is made of the degree of mixing that takes place inside a turbulent mixed region during its growth in stably-stratified surroundings: the effectiveness of this mixing determines the ultimate thickness to which the mixing region collapses. (Author).

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 704

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Study of High-altitude Aircraft Wake Dynamics

Study of High-altitude Aircraft Wake Dynamics PDF Author: Lockheed Aircraft Corporation. Lockheed Palo Alto Research Laboratory
Publisher:
ISBN:
Category : Wakes (Aerodynamics)
Languages : en
Pages : 218

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NBS Special Publication

NBS Special Publication PDF Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 784

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Current Hydraulic Laboratory Research in the United States

Current Hydraulic Laboratory Research in the United States PDF Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 360

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Applied mechanics reviews

Applied mechanics reviews PDF Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 400

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Report

Report PDF Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 696

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Environmental Stratified Flows

Environmental Stratified Flows PDF Author: Roger Grimshaw
Publisher: Springer Science & Business Media
ISBN: 0306480247
Category : Science
Languages : en
Pages : 286

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Book Description
The dynamics of flows in density-stratified fluids has been and remains now an important topic for scientific enquiry. Such flows arise in many contexts, ranging from industrial settings to the oceanic and atmospheric environments. It is the latter topic which is the focus of this book. Both the ocean and atmosphere are characterised by the basic vertical density stratification, and this feature can affect the dynamics on all scales ranging from the micro-scale to the planetary scale. The aim of this book is to provide a “state-of-the-art” account of stratified flows as they are relevant to the ocean and atmosphere with a primary focus on meso-scale phenomena; that is, on phenomena whose time and space scales are such that the density stratification is a dominant effect, so that frictional and diffusive effects on the one hand and the effects of the earth’s rotation on the other hand can be regarded as of less importance. This in turn leads to an emphasis on internal waves.

Hydraulic Research in the United States and Canada

Hydraulic Research in the United States and Canada PDF Author:
Publisher:
ISBN:
Category : Hydraulic engineering
Languages : en
Pages : 708

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Hydraulic Research in the United States and Canada, 1974

Hydraulic Research in the United States and Canada, 1974 PDF Author: Pauline H. Gurewitz
Publisher:
ISBN:
Category : Fluid mechanics
Languages : en
Pages : 364

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