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AuthorJoseph, Daniel D. author
TitleFundamentals of Two-Fluid Dynamics [electronic resource] : Part I: Mathematical Theory and Applications / by Daniel D. Joseph, Yuriko Y. Renardy
ImprintNew York, NY : Springer New York : Imprint: Springer, 1993
Connect tohttp://dx.doi.org/10.1007/978-1-4613-9293-4
Descript XV, 443 p. online resource

SUMMARY

Two-fluid dynamics is a challenging subject rich in physics and pracยญ tical applications. Many of the most interesting problems are tied to the loss of stability which is realized in preferential positioning and shaping of the interface, so that interfacial stability is a major player in this drama. Typically, solutions of equations governing the dynamics of two fluids are not uniquely determined by the boundary data and different configurations of flow are compatible with the same data. This is one reason why stability studies are important; we need to know which of the possible solutions are stable to predict what might be observed. When we started our studies in the early 1980's, it was not at all evident that stability theory could actuยญ ally work in the hostile environment of pervasive nonuniqueness. We were pleasantly surprised, even astounded, by the extent to which it does work. There are many simple solutions, called basic flows, which are never stable, but we may always compute growth rates and determine the wavelength and frequency of the unstable mode which grows the fastest. This proceยญ dure appears to work well even in deeply nonlinear regimes where linear theory is not strictly valid, just as Lord Rayleigh showed long ago in his calculation of the size of drops resulting from capillary-induced pinch-off of an inviscid jet


Physics Fluids Machinery Physics Theoretical Mathematical and Computational Physics Machinery and Machine Elements Fluid- and Aerodynamics



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