Fluid Dynamics of Viscoelastic Liquids

Name: Fluid Dynamics of Viscoelastic Liquids
Brand: Springer-Verlag New York Inc.
SKU: 9780387971551
Price: 581.45 RON
Availability: InStock

Autor: Daniel D. Joseph

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Legare: Copertă tare

Editura: Springer-Verlag New York Inc.

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581.45 lei

This book is about two special topics in rheological fluid mechanics: the elasticity of liquids and...

Informații despre carte

Autor

Daniel D. Joseph

Limbă

engleză

Legare

Carte - Copertă tare

Publicat

1990

Pagini

757

EAN

9780387971551

ISBN

0387971556

Enbook ID

03612728

Editura

Springer-Verlag New York Inc.

Greutate

1289

Dimensiuni

155 x 235 x 48

Descriere completă

This book is about two special topics in rheological fluid mechanics: the elasticity of liquids and asymptotic theories of constitutive models. The major emphasis of the book is on the mathematical and physical consequences of the elasticity of liquids; seventeen of twenty chapters are devoted to this. Constitutive models which are instantaneously elastic can lead to some hyperbolicity in the dynamics of flow, waves of vorticity into rest (known as shear waves), to shock waves of vorticity or velocity, to steady flows of transonic type or to short wave instabilities which lead to ill-posed problems. Other kinds of models, with small Newtonian viscosities, give rise to perturbed instantaneous elasticity, associated with smoothing of discontinuities as in gas dynamics. There is no doubt that liquids will respond like elastic solids to impulses which are very rapid compared to the time it takes for the molecular order associated with short range forces in the liquid, to relax. After this, all liquids look viscous with signals propagating by diffusion rather than by waves. For small molecules this time of relaxation is estimated as lQ-13 to 10-10 seconds depending on the fluids. Waves associated with such liquids move with speeds of 1 QS cm/s, or even faster. For engineering applications the instantaneous elasticity of these fluids is of little interest; the practical dynamics is governed by diffusion, ·say, by the Navier-Stokes equations. On the other hand, there are other liquids which are known to have much longer times of relaxation.

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Fluid Dynamics of Viscoelastic Liquids

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