Unsteady Viscous Flows

Unsteady Viscous Flows PDF Author: Demetri P. Telionis
Publisher: Springer Science & Business Media
ISBN: 3642885675
Category : Science
Languages : en
Pages : 429

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Book Description
Most of the fundamental concepts of unsteady viscous flows have been known since the early part of the century. However, the past decade has seen an unprecedented number of publications in this area. In this monograph I try to connect materials of earlier contributions and synthesize them into a comprehensive entity. One of the main purposes of a monograph, in my opinion, is to fit together in a comprehensive way scattered contributions that provide fragmented information to the readers. The collection of such contributions should be presented in a unified way; continuity of thought and logical sequence of the presentation of ideas and methods are essential. The reader should be able to follow through without having to resort to other references, something that is unavoidable in the case of a research paper or even a review paper. Many of the solutions discussed in the literature address specific practical problems. In fact, in the process of collecting information, I discovered independent lines of investigations, dealing with the same physical problem, but inspired by different practical applications. For example, I found that two groups of investigators have been studying independently the response of a viscous layer to a harmonic external disturbance. One group is con cerned with mass transport and the transport of sediment over the bottom of the ocean, and the other is interested in the aerodynamics of lifting surfaces in harmonically changing environments.

Unsteady Viscous Flows

Unsteady Viscous Flows PDF Author: Demetri P. Telionis
Publisher: Springer Science & Business Media
ISBN: 3642885675
Category : Science
Languages : en
Pages : 429

Get Book Here

Book Description
Most of the fundamental concepts of unsteady viscous flows have been known since the early part of the century. However, the past decade has seen an unprecedented number of publications in this area. In this monograph I try to connect materials of earlier contributions and synthesize them into a comprehensive entity. One of the main purposes of a monograph, in my opinion, is to fit together in a comprehensive way scattered contributions that provide fragmented information to the readers. The collection of such contributions should be presented in a unified way; continuity of thought and logical sequence of the presentation of ideas and methods are essential. The reader should be able to follow through without having to resort to other references, something that is unavoidable in the case of a research paper or even a review paper. Many of the solutions discussed in the literature address specific practical problems. In fact, in the process of collecting information, I discovered independent lines of investigations, dealing with the same physical problem, but inspired by different practical applications. For example, I found that two groups of investigators have been studying independently the response of a viscous layer to a harmonic external disturbance. One group is con cerned with mass transport and the transport of sediment over the bottom of the ocean, and the other is interested in the aerodynamics of lifting surfaces in harmonically changing environments.

Unsteady Viscous Flows

Unsteady Viscous Flows PDF Author: Demetri Telionis
Publisher: Springer
ISBN: 9783540104810
Category : Science
Languages : en
Pages : 408

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Book Description
Most of the fundamental concepts of unsteady viscous flows have been known since the early part of the century. However, the past decade has seen an unprecedented number of publications in this area. In this monograph I try to connect materials of earlier contributions and synthesize them into a comprehensive entity. One of the main purposes of a monograph, in my opinion, is to fit together in a comprehensive way scattered contributions that provide fragmented information to the readers. The collection of such contributions should be presented in a unified way; continuity of thought and logical sequence of the presentation of ideas and methods are essential. The reader should be able to follow through without having to resort to other references, something that is unavoidable in the case of a research paper or even a review paper. Many of the solutions discussed in the literature address specific practical problems. In fact, in the process of collecting information, I discovered independent lines of investigations, dealing with the same physical problem, but inspired by different practical applications. For example, I found that two groups of investigators have been studying independently the response of a viscous layer to a harmonic external disturbance. One group is con cerned with mass transport and the transport of sediment over the bottom of the ocean, and the other is interested in the aerodynamics of lifting surfaces in harmonically changing environments.

Simulation, Characteriation and Control of Forced Unsteady Viscous Flows Using Navier-Stokes Equations

Simulation, Characteriation and Control of Forced Unsteady Viscous Flows Using Navier-Stokes Equations PDF Author: Kirti N. Ghia
Publisher:
ISBN:
Category : Navier-Stokes equations
Languages : en
Pages : 140

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Book Description


Instability of some unsteady viscous flows

Instability of some unsteady viscous flows PDF Author: Giovanni Maria Secondo Seminara
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Viscous Flows

Viscous Flows PDF Author: Ahmer Mehmood
Publisher: Springer
ISBN: 3319554328
Category : Technology & Engineering
Languages : en
Pages : 205

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Book Description
This authored monograph provides a detailed discussion of the boundary layer flow due to a moving plate. The topical focus lies on the 2- and 3-dimensional case, considering axially symmetric and unsteady flows. The author derives a criterion for the self-similar and non-similar flow, and the turbulent flow due to a stretching or shrinking sheet is also discussed. The target audience primarily comprises research experts in the field of boundary layer flow, but the book will also be beneficial for graduate students.

Analysis of Certain Steady and Unsteady Viscous Flows

Analysis of Certain Steady and Unsteady Viscous Flows PDF Author: Maimouna Said Al-Manthary
Publisher:
ISBN:
Category : Viscous flow
Languages : en
Pages : 206

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Computational Flow Development for Unsteady Viscous Flows

Computational Flow Development for Unsteady Viscous Flows PDF Author: Theodore Bratanow
Publisher:
ISBN:
Category : Finite element method
Languages : en
Pages : 44

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Numerical Simulation of 3-D Incompressible Unsteady Viscous Laminar Flows

Numerical Simulation of 3-D Incompressible Unsteady Viscous Laminar Flows PDF Author: Michel Deville
Publisher: Vieweg+Teubner Verlag
ISBN: 3663002217
Category : Technology & Engineering
Languages : en
Pages : 234

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Book Description
The GAMM-Commi ttee for Numerical Methods in Fluid Mechanics (GAMM-Fachausschuss für Numerische Methoden in der Strömungsmechanik) has sponsored the organization of a GAMM Workshop dedicated to the numerical simulation of three dimensional incompressible unsteady viscous laminar flows to test Navier-Stokes solvers. The Workshop was held in Paris from June 12th to June 14th, 1991 at the Ecole Nationale Superieure des Arts et Metiers. Two test problems were set up. The first one is the flow in a driven-lid parallelepipedic cavity at Re = 3200 . The second problem is a flow around a prolate spheroid at incidence. These problems are challenging as fully transient solutions are expected to show up. The difficulties for meaningful calculations come from both space and temporal discretizations which have to be sufficiently accurate to resol ve detailed structures like Taylor-Görtler-like vortices and the appropriate time development. Several research teams from academia and industry tackled the tests using different formulations (veloci ty-pressure, vortici ty velocity), different numerical methods (finite differences, finite volumes, finite elements), various solution algorithms (splitting, coupled ...), various solvers (direct, iterative, semi-iterative) with preconditioners or other numerical speed-up procedures. The results show some scatter and achieve different levels of efficiency. The Workshop was attended by about 25 scientists and drove much interaction between the participants. The contributions in these proceedings are presented in alphabetical order according to the first author, first for the cavi ty problem and then for the prolate spheroid problem. No definite conclusions about benchmark solutions can be drawn.

Steady streaming associated with some unsteady viscous flows

Steady streaming associated with some unsteady viscous flows PDF Author: William Howard Lyne
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Computational Flow Development for Unsteady Viscous Flows

Computational Flow Development for Unsteady Viscous Flows PDF Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781726013550
Category :
Languages : en
Pages : 42

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Book Description
A procedure is presented for effective consideration of viscous effects in computational development of high Reynolds number flows. The procedure is based on the interpretation of the Navier-Stokes equations as vorticity transport equations. The physics of the flow was represented in a form suitable for numerical analysis. Lighthill's concept for flow development for computational purposes was adapted. The vorticity transport equations were cast in a form convenient for computation. A statement for these equations was written using the method of weighted residuals and applying the Galerkin criterion. An integral representation of the induced velocity was applied on the basis of the Biot-Savart law. Distribution of new vorticity, produced at wing surfaces over small computational time intervals, was assumed to be confined to a thin region around the wing surfaces. Bratanow, T. and Spehert, T. Unspecified Center NASA-CR-2995 NGR-50-007-001...