Dynamics of forward filtration combustion at the pore‐network level

Lu, Chuan; Yortsos, Y.C.

doi:10.1002/aic.10369

Cited by 23 publications

(27 citation statements)

References 35 publications

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“…Filtration combustion has been studied extensively in the literature. The forward filtration combustion has been studied, for example by Schult et al [3], Aldushin et al [4,5] and Lu and Yortsos [6], while such studies as Refs. [7][8][9][10][11][12][13][14] are devoted to the reverse filtration combustion.…”

Section: Introductionmentioning

confidence: 98%

Forward and reverse combustion linking in underground coal gasification

Blinderman¹,

Saulov²,

Klimenko³

2008

Energy

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Section: Introductionmentioning

confidence: 98%

Forward and reverse combustion linking in underground coal gasification

Blinderman¹,

Saulov²,

Klimenko³

2008

Energy

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“…Recently, Radu et al (2013) proposed a mass conservative mixed finite element scheme for reactive transport with varying porosity for saturated/unsaturated porous media. Other applications of non-isothermal reactive transport models can be combustion models, and we refer to Lu and Yortsos (2005) who consider a pore-network model including filtration combustion.…”

Section: Introductionmentioning

confidence: 99%

Upscaling of Non-isothermal Reactive Porous Media Flow with Changing Porosity

et al. 2015

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Upscaling of non-isothermal reactive porous media flow with changing porosityBringedal, C.; Berre, I.; Pop, I.S.; Radu, A.F. Published in: Transport in Porous Media DOI:10.1007/s11242-015-0530-9Published: 01/09/2016 Document VersionAccepted manuscript including changes made at the peer-review stage Please check the document version of this publication:• A submitted manuscript is the author's version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website.• The final author version and the galley proof are versions of the publication after peer review.• The final published version features the final layout of the paper including the volume, issue and page numbers. General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. Link to publication• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. Abstract Motivated by rock-fluid interactions occurring in a geothermal reservoir, we present a two-dimensional pore scale model of a periodic porous medium consisting of void space and grains, with fluid flow through the void space. The ions in the fluid are allowed to precipitate onto the grains, while minerals in the grains are allowed to dissolve into the fluid, and we take into account the possible change in pore geometry that these two processes cause, resulting in a problem with a free boundary at the pore scale. We include temperature dependence and possible effects of the temperature both in fluid properties and in the mineral precipitation and dissolution reactions. For the pore scale model equations, we perform a formal homogenization procedure to obtain upscaled equations. A pore scale model consisting of circular grains is presented as a special case of the porous medium.

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“…Similar conclusions were drawn regarding the "lab-fi eld discrepancy", and an approximately power-law scaling of reaction rates vs. fl ow rate was reported for anorthite, while a more complex scaling emerged for kaolinite. In the context of fi ltration combustion in porous media, Lu and Yortsos (2005) similarly observed that spatially averaged macroscopic reaction rates were very different (discrepancies of a factor of two or higher) than those determined from using averaged variables in microscopic reaction rate expressions. They attributed this to the strong infl uence of microscopic heterogeneities on macro scale behavior.…”

Section: Hybrid Modelingmentioning

confidence: 78%