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Atomization and Sprays
Fator do impacto: 1.262 FI de cinco anos: 1.518 SJR: 0.814 SNIP: 1.18 CiteScore™: 1.6

ISSN Imprimir: 1044-5110
ISSN On-line: 1936-2684

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Atomization and Sprays

DOI: 10.1615/AtomizSpr.v15.i4.10
pages 363-376

DRAG ON ELLIPSOIDS AT FINITE REYNOLDS NUMBERS

Brian J. O'Donnell
Department of Mechanical and Aeronautical Engineering, Clarkson University, Potsdam, New York 13699-5725
Brian Helenbrook
Clarkson University

RESUMO

Numerical results for two-dimensional axisymmetric flow of an incompressible fluid over ellipsoidal particles are presented for Reynolds numbers from 0.1 to 200. An hp-finite element method is employed to obtain values of drag around the ellipsoids, which range from spheres to discs. The results are compared to previous numerical, analytical, and experimental work presented in the literature. Using this data, a new drag model is created that predicts the drag on oblate ellipsoids. The new model is accurate to within 1.5% over the desired range of parameters.


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