Gelled propellant flow: Boundary layer theory for power-law fluids in a converging planar channel | Zendy

Andrew M. Kraynik | Zendy; Alan C. Geller | Zendy; John Glick | Zendy

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Gelled propellant flow: Boundary layer theory for power-law fluids in a converging planar channel

Author(s) -

Andrew M. Kraynik,

Alan C. Geller,

John Glick

Publication year - 1989

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/5647885

Subject(s) - boundary layer , finite element method , mechanics , flow (mathematics) , open channel flow , reynolds number , planar , boundary element method , boundary layer thickness , boundary (topology) , physics , classical mechanics , mathematics , mathematical analysis , thermodynamics , computer science , turbulence , computer graphics (images)

A boundary layer theory for the flow of power-law fluids in a converging planar channel has been developed. This theory suggests a Reynolds number for such flows, and following numerical integration, a boundary layer thickness. This boundary layer thickness has been used in the generation of a finite element mesh for the finite element code FIDAP. FIDAP was then used to simulate the flow of power-law fluids through a converging channel. Comparison of the analytic and finite element results shows the two to be in very good agreement in regions where entrance and exit effects (not considered in the boundary layer theory) can be neglected. 6 refs., 8 figs., 1 tab.

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