𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Instability in diffusing fluid layers

✍ Scribed by W. K. Sartory


Publisher
Wiley (John Wiley & Sons)
Year
1969
Tongue
English
Weight
589 KB
Volume
7
Category
Article
ISSN
0006-3525

No coin nor oath required. For personal study only.

✦ Synopsis


A small perturbation analysis is carried out to determine the stability of a fluid containing two layers of dBusing solutes in a common solvent and acted upon by a uniform gravitational field. It is found that instability can arise even though the unperturbed diffusion does not lead to the formation of a density inversion within the fluid.


📜 SIMILAR VOLUMES


Diffusion-Driven Instability in Reaction
✍ Liancheng Wang; Michael Y. Li 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 118 KB

For a stable matrix A with real entries, sufficient and necessary conditions for A y D to be stable for all non-negative diagonal matrices D are obtained. Implications of these conditions for the stability and instability of constant steadystate solutions to reaction᎐diffusion systems are discussed

THE CONVECTIVE AND ABSOLUTE INSTABILITY
✍ K.S. Yeo; B.C. Khoo; H.Z. Zhao 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 262 KB

The occurrence of waves on viscoelastic compliant layers subject to ¯uid ¯ow is studied from the viewpoint of their classi®cation as convective and absolute instability of the ¯ow-wall system. Uniform potential ¯ow and modi®ed potential ¯ows representing laminar and turbulent boundary layers are con

Transient instability in case II diffusi
✍ Patrick Guidotti; John A. Pelesko 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB

A well-known model of one-dimensional Case II diffusion is reformulated in two dimensions. This 2-D model is used to study the stability of 1-D planar Case II diffusion to small spatial perturbations. An asymptotic solution based on the assumption of small perturbations and a small driving force is

Detecting instabilities in flows of visc
✍ N. Fiétier 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 307 KB

## Abstract There is a growing interest in developing numerical tools to investigate the onset of physical instabilities observed in experiments involving viscoelastic flows, which is a difficult and challenging task as the simulations are very sensitive to numerical instabilities. Following a rece

Electroviscoelastic Instability of a Kel
✍ Abou El Magd A. Mohamed; Elsayed F.A. Elshehawey; Yusry O. El-Dib 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 302 KB

The electroviscoelastic stability of a Kelvin fluid layer is discussed in the presence of the field periodicity. The surface elevations are governed by two transcendental coupled equations of Mathieu type which have not been attempted before. Analysis for the surface waves in axisymmetric modes and

Interfacial diffusion in layered polyest
✍ Chirag B. Shah; Thomas J. Rockett 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 521 KB

Microscopic observations of cross sections of laminates of unsaturated polyesters revealed a birefringent zone (interphase) at the interface. Several observations associated with this interphase were made that predicted either beneficial or detrimental effects of the presence of the interphase in th