The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2019
Filed:
Aug. 25, 2016
The University of British Columbia, Vancouver, CA;
The Regents of the University of Colorado, a Body Corporate, Denver, CO (US);
John Grace, Vancouver, CA;
Amir Hossein Ahmadi-Motlagh, North Vancouver, CA;
Martha Salcudean, Vancouver, CA;
Christine Hrenya, Boulder, CO (US);
University of British Columbia, Vancouver, British Columbia, CA;
Abstract
A computer implemented method simulates the behavior of a gas-solid mixture in a fluidized bed having a particulate comprising Geldart group A particles using a Eulerian model comprising, for each time step (a current time step) and for each cell: obtaining an initial value of an agglomerate diameter corresponding to the cell and corresponding to the beginning of the current time step; performing a force-balance procedure for the cell to determine a first agglomerate diameter corresponding to the cell and corresponding to the current time step, wherein performing the force-balance procedure comprises determining a plurality of forces for the cell based at least in part on the initial value of the agglomerate diameter; updating one or more drag relationships for the current time step based at least in part on the first agglomerate diameter; and performing a computational fluid dynamic (CFD) solve procedure to determine, for the current time, the any one or more of: one or more of: a gas velocity {right arrow over (V)}for the cell, a particle velocity {right arrow over (V)}for the cell, a gas pressure for the cell, a particulate pressure for the cell and a solid fraction εfor the cell. Performing the CFD solve procedure is based at least in part on the updated drag relationships.