A two-dimensional, multi-physics computational model based on the finite-element method is developed for simulating the process of solar thermochemical splitting of carbon dioxide (CO2) using ferrites (Fe3O4/FeO) and a counter-rotating-ring receiver/recuperator or CR5, in which carbon monoxide (CO) is produced from gaseous CO2. The model takes into account heat transfer, gas-phase flow and multiple-species diffusion in open channels and through pores of the porous reactant layer, and redox chemical reactions at the gas/solid interfaces. Results (temperature distribution, velocity field, and species concentration contours) computed using the model in a case study are presented to illustrate model utility. The model is then employed to examine the effects of injection rates of CO2 and argon neutral gas, respectively, on CO production rate and the extent of the product-species crossover.
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ASME 2010 4th International Conference on Energy Sustainability
May 17–22, 2010
Phoenix, Arizona, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4395-6
PROCEEDINGS PAPER
Modeling Solar Thermochemical Splitting of CO2 Using Metal Oxide and a CR5 Available to Purchase
Ken S. Chen,
Ken S. Chen
Sandia National Laboratories, Albuquerque, NM
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Roy E. Hogan
Roy E. Hogan
Sandia National Laboratories, Albuquerque, NM
Search for other works by this author on:
Ken S. Chen
Sandia National Laboratories, Albuquerque, NM
Roy E. Hogan
Sandia National Laboratories, Albuquerque, NM
Paper No:
ES2010-90436, pp. 153-162; 10 pages
Published Online:
December 22, 2010
Citation
Chen, KS, & Hogan, RE. "Modeling Solar Thermochemical Splitting of CO2 Using Metal Oxide and a CR5." Proceedings of the ASME 2010 4th International Conference on Energy Sustainability. ASME 2010 4th International Conference on Energy Sustainability, Volume 2. Phoenix, Arizona, USA. May 17–22, 2010. pp. 153-162. ASME. https://doi.org/10.1115/ES2010-90436
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