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A new pseudo-continuous model for the fluid flow in packed beds

Eisfeld, B. and Schnitzlein, K. (2005) A new pseudo-continuous model for the fluid flow in packed beds. Chemical Engineering Science, 60, pp. 4105-4117.

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Abstract

A new pseudo-continous model, describing the fluid flow through packed bed reactors, is developed by formulating the Navier-Stokes equations for a statistically described domain geometry. A coupling term, occurring in the momentum equation, representing the fluid-solid interaction and is modelled by comparison with the exact Navier-Stokes equations. Static and dynamic, inviscid and viscous contributions are separated, and stringent requirements for the dependence on the local voidage are found which are met by a simple model. Good agreement with correlations and experiments is found for the predictions of the pressure drop and the radial distribution of the axial velocity.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2005,
Title:A new pseudo-continuous model for the fluid flow in packed beds
Authors:
AuthorsInstitution or Email of Authors
Eisfeld, B.UNSPECIFIED
Schnitzlein, K.Technische Universität Cottbus
Date:2005
Journal or Publication Title:Chemical Engineering Science
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:60
Page Range:pp. 4105-4117
Status:Published
Keywords:Packed beds, Pseudo-continuous model, Navier-Stokes equations, Statistic geometry, Fluid-solid interaction
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Concepts & Integration
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Claudia Grant
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:52

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