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A finite element analysis of generalized Newtonian fluids through spiral mandrel dies (1986)

Fahy, E. J. ; Gilmour, P. W.

Chichester [u.a.] : Wiley-Blackwell

International Journal for Numerical Methods in Engineering 23 (1986), S. 1-11

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Details

ISSN: 0029-5981

Schlagwort(e): Engineering ; Engineering General

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Mathematik , Technik allgemein

Notizen: A method is described which calculates the fluid flow pattern for any generalized Newtonian fluid forced through the narrow annular space between two concentric cylindrical surfaces. The inner surface is engraved with a number of identical equally spaced spiral channels of small constant pitch angle but of varying cross-sectional area. For equal flow into the spiral passages, the pressure distribution along them is described by a quasi-linear ordinary difference-differential equation. A finite element approximation is employed to solve this equation for the pressure and resultant flow field. The method is illustrated by calculating and comparing flow patterns through two different spiral geometries.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/nme.1620230102

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