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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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.
|Title:||A new pseudo-continuous model for the fluid flow in packed beds|
|Journal or Publication Title:||Chemical Engineering Science|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 4105-4117|
|Keywords:||Packed beds, Pseudo-continuous model, Navier-Stokes equations, Statistic geometry, Fluid-solid interaction|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - 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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