As the effects of climate change continue to rise with increasing carbon dioxide emission rates, it is imperative that we develop an efficient method for carbon capture. This paper outlines the framework used to break down a large, complex carbon capture system into smaller unit problems for model validation, and uncertainty quantification. We use this framework to investigate the uncertainty and sensitivity of the hydrodynamics of a bubbling fluidized bed. Using the open-source computational fluid dynamics code MFIX we simulate a bubbling fluidized bed with an immersed horizontal tube bank. Mesh resolution and statistical steady state studies are conducted to identify the optimal operating conditions. The preliminary results show good agreement with experimental data from literature. Employing statistical sampling and analysis techniques we designed a set of simulations to quantify the sensitivity of the model to model parameters that are difficult to measure, including: coefficients of restitution, friction angles, packed bed void fraction, and drag models. Initial sensitivity analysis results indicate that no parameters may be omitted. Further uncertainty quantification analysis is underway to investigate and quantify the effects of model parameters on the simulations results.
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ASME 2013 Fluids Engineering Division Summer Meeting
July 7–11, 2013
Incline Village, Nevada, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5558-4
PROCEEDINGS PAPER
Modeling and Validation of a Large Scale, Multiphase Carbon Capture System
William A. Lane,
William A. Lane
Boston University, Boston, MA
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Curtis Storlie,
Curtis Storlie
Los Alamos National Laboratory, Los Alamos, NM
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Christopher Montgomery,
Christopher Montgomery
URS Corporation, Morgantown, WV
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Emily M. Ryan
Emily M. Ryan
Boston University, Boston, MA
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William A. Lane
Boston University, Boston, MA
Curtis Storlie
Los Alamos National Laboratory, Los Alamos, NM
Christopher Montgomery
URS Corporation, Morgantown, WV
Emily M. Ryan
Boston University, Boston, MA
Paper No:
FEDSM2013-16231, V002T06A006; 8 pages
Published Online:
December 13, 2013
Citation
Lane, WA, Storlie, C, Montgomery, C, & Ryan, EM. "Modeling and Validation of a Large Scale, Multiphase Carbon Capture System." Proceedings of the ASME 2013 Fluids Engineering Division Summer Meeting. Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress. Incline Village, Nevada, USA. July 7–11, 2013. V002T06A006. ASME. https://doi.org/10.1115/FEDSM2013-16231
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