Dr Edmund Chadwick E.A.Chadwick@salford.ac.uk
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A slender body theory in oseen flow obtained by expanding the Oseenlets in the Green's integral representation
Chadwick, EA
Authors
Abstract
Consider steady, uniform flow at a small angle of incidence to a slender
body. Let us assume that Oseen flow, the far field approximation obtained
by linearizing the velocity about the uniform flow velocity, also holds in a
near-field region that continues right up to the body boundary layer where
the impermeability (slip) boundary condition is applied. Let us assume that
in this near field the standard slender body approximation also holds, that
changes along the body length are much smaller than in the transverse plane.
A Green’s integral representation is then given over a near-field surface that
encloses the body. The Taylor series expansion is then further applied to give
a representation along a line axis within the slender body. An interesting
consequence of the analysis, a jump in lift towards the rear of the slender body,
is presented and discussed.
Citation
Chadwick, E. (2009). A slender body theory in oseen flow obtained by expanding the Oseenlets in the Green's integral representation. Fluid Dynamics Research, 41(4), 045508. https://doi.org/10.1088/0169-5983/41/4/045508
Journal Article Type | Article |
---|---|
Publication Date | Jan 1, 2009 |
Deposit Date | Sep 11, 2014 |
Journal | Fluid Dynamics Research |
Print ISSN | 0169-5983 |
Publisher | IOP Publishing |
Volume | 41 |
Issue | 4 |
Pages | 045508 |
DOI | https://doi.org/10.1088/0169-5983/41/4/045508 |
Publisher URL | http://dx.doi.org/10.1088/0169-5983/41/4/045508 |
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