The generalized added mass revised
(2007) Physics of Fluids — Vol. 19, n° 5 (2007)
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- Abstract
- The reformulation of the generalized or apparent added mass presented by De Wilde [Phys. Fluids 17, 113304 (2005)] neglects the presence of a drag-type force in the gas and solid phase momentum equations. Reformulating the generalized added mass accounting for the presence of a drag-type force, an apparent drag force appears next to the apparent distribution of the filtered gas phase pressure gradient over the phases already found by De Wilde in the above-cited reference. The reformulation of the generalized added mass and the evaluation of a linear wave propagation speed test then suggest a generalized added mass type closure approach to completely describe filtered gas-solid momentum transfer, that is, including both the filtered drag force and the correlation between the solid volume fraction and the gas phase pressure gradient. (C) 2007 American Institute of Physics.
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De Wilde, J. (2007). The generalized added mass revised. Physics of Fluids, 19(5). https://doi.org/10.1063/1.2732441 (Original work published 2007)