MFIX simulation of NETL/PSRI challenge problem of circulating fluidized bed

Li, Tingwen; Dietiker, Jean-François; Shahnam, Mehrdad

doi:10.1016/j.ces.2012.09.024

MFIX simulation of NETL/PSRI challenge problem of circulating fluidized bed

Journal Article · Fri Nov 30 23:00:00 EST 2012 · Chemical Engineering Science

DOI:https://doi.org/10.1016/j.ces.2012.09.024· OSTI ID:1114672

Li, Tingwen ^[1]; Dietiker, Jean-François ^[2]; Shahnam, Mehrdad ^[3]

National Energy Technology Lab. (NETL), Morgantown, WV (United States); URS Corp, Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ. Research Corporation, Morgantown, WV (United States)
National Energy Technology Lab. (NETL), Morgantown, WV (United States)

In this paper, numerical simulations of NETL/PSRI challenge problem of circulating fluidized bed (CFB) using the open-source code Multiphase Flow with Interphase eXchange (MFIX) are reported. Two rounds of simulation results are reported including the first-round blind test and the second-round modeling refinement. Three-dimensional high fidelity simulations are conducted to model a 12-inch diameter pilot-scale CFB riser. Detailed comparisons between numerical results and experimental data are made with respect to axial pressure gradient profile, radial profiles of solids velocity and solids mass flux along different radial directions at various elevations for operating conditions covering different fluidization regimes. Overall, the numerical results show that CFD can predict the complex gas–solids flow behavior in the CFB riser reasonably well. In addition, lessons learnt from modeling this challenge problem are presented.

View Accepted Manuscript (DOE)

Research Organization:: National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)

Sponsoring Organization:: USDOE Office of Fossil Energy (FE)

Grant/Contract Number:: FE0004000

OSTI ID:: 1114672

Report Number(s):: TPR-3908

Journal Information:: Chemical Engineering Science, Journal Name: Chemical Engineering Science Journal Issue: C Vol. 84; ISSN 0009-2509

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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MFIX simulation of NETL/PSRI challenge problem of circulating fluidized bed

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References (22)

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