Abstract
In Lecture 10 we have seen that steady rectilinear flow down a straight pipe is possible for a general incompressible fluid only for certain exceptional cross-sections, and for all cross-sections only for certain exceptional fluids. Both the Navier-Stokes fluid and the fluid of second grade are exceptional in this sense, since their viscometric functions satisfy the special relation (10.21). If a general fluid is forced by a pressure gradient down a pipe bounded by a cylindrical surface that is neither a pair of parallel planes nor a pair of coaxial circular cylinders, we expect that a steady flow be set up, but it cannot be rectilinear. The component of velocity normal to the generation of the cylindrical boundary is called a secondary flow.
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© 1966 Springer-Verlag New York Inc.
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Truesdell, C. (1966). Secondary Flows in Pipes. In: The Elements of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-64976-9_25
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DOI: https://doi.org/10.1007/978-3-642-64976-9_25
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-03683-8
Online ISBN: 978-3-642-64976-9
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