Experimental Investigation and High Resolution Simulator of in-Situ Combustion Processes Quarterly Report

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Accurate simulation of in-situ combustion processes is computationally very challenging because the spatial and temporal scales over which the combustion process takes place are very small. In this fifth quarterly report of our DoE funded research, we continue the discussion of the design of a new simulation tool based on an efficient Cartesian Adaptive Mesh Refinement technique that allows much higher grid densities to be used near typical fronts than current simulators. We have now developed an appropriate upscaling technique for our grids, based on the local-global upscaling approach. We show preliminary results on two-dimensional test cases. On the experimental … continued below

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14 pages

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Gerritsen, Margot & Kovscek, Anthony R. February 1, 2005.

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Accurate simulation of in-situ combustion processes is computationally very challenging because the spatial and temporal scales over which the combustion process takes place are very small. In this fifth quarterly report of our DoE funded research, we continue the discussion of the design of a new simulation tool based on an efficient Cartesian Adaptive Mesh Refinement technique that allows much higher grid densities to be used near typical fronts than current simulators. We have now developed an appropriate upscaling technique for our grids, based on the local-global upscaling approach. We show preliminary results on two-dimensional test cases. On the experimental side, we continued experiments to measure the rates and kinetics of combustion in the presence and absence of metallic additives. In this quarter, we developed a better understanding of the cation replacing power of the various additives that affect combustion performance positively, and obtained a preliminary reactivity series. We also resumed our experimental investigation into the cyclic solvent-combustion process using crude oil from the Hamaca Region of Venezuela. Various measurements were made including oxygen consumption as a function of temperature. Preliminary results show that the temperatures for the onset of combustion are a function of the solvent injected.

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14 pages

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OSTI as DE00839364

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  • Other Information: PBD: 1 Feb 2005

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  • February 1, 2005

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  • Dec. 3, 2015, 9:30 a.m.

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  • March 24, 2020, 3:38 p.m.

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Gerritsen, Margot & Kovscek, Anthony R. Experimental Investigation and High Resolution Simulator of in-Situ Combustion Processes Quarterly Report, report, February 1, 2005; [California]. (https://digital.library.unt.edu/ark:/67531/metadc780526/: accessed June 11, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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