Eulerian derivation of non-inertial Navier–Stokes and boundary layer equations for incompressible flow in constant pure rotation

Combrinck, Madeleine, Dala, Laurent and Lipatov, Igor (2017) Eulerian derivation of non-inertial Navier–Stokes and boundary layer equations for incompressible flow in constant pure rotation. European Journal of Mechanics - B/Fluids, 65. pp. 10-30. ISSN 0997-7546

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Official URL: https://doi.org/10.1016/j.euromechflu.2016.12.012

Abstract

The paper presents an Eulerian derivation of the non-inertial Navier–Stokes equations as an alternative to the Lagrangian fluid parcel approach. To the best knowledge of the authors, this is the first instance where an Eulerian approach is used for such a derivation. This work expands on the work of Kageyama and Hyodo (2006) who derived the incompressible momentum equation in constant rotation for geophysical applications. In this paper the derivation is done for the full set of Navier–Stokes equations in incompressible flow for pure rotation. It is shown that the continuity equation as well as the conservation of energy equation are invariant under transformation from the inertial frame to the rotational frame. From these equations the non-inertial boundary layer equations for flow on a flat plate subjected to rotation is derived in both the Cartesian and cylindrical co-ordinate systems.

Item Type: Article
Uncontrolled Keywords: Rotational transform; Galilean transformation; Coriolis force; Centrifugal force; Boundary layer
Subjects: H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 27 Mar 2017 14:10
Last Modified: 07 Sep 2017 20:08
URI: http://nrl.northumbria.ac.uk/id/eprint/30193

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