By Professor Ryan T. Armstrong

Journal articles

Armstrong RT; Ott H; Georgiadis A; Rücker M; Schwing A; Berg S, 2014, 'Subsecond pore-scale displacement processes and relaxation dynamics in multiphase flow', Water Resources Research, 50, pp. 9162 - 9176, http://dx.doi.org/10.1002/2014WR015858

Leu L; Berg S; Enzmann F; Armstrong RT; Kersten M, 2014, 'Fast X-ray Micro-Tomography of Multiphase Flow in Berea Sandstone: A Sensitivity Study on Image Processing', Transport in Porous Media, 105, pp. 451 - 469, http://dx.doi.org/10.1007/s11242-014-0378-4

Armstrong RT; Georgiadis A; Ott H; Klemin D; Berg S, 2014, 'Critical capillary number: Desaturation studied with fast X-ray computed microtomography', Geophysical Research Letters

Armstrong R; Evseev N; Gurpinar OM; Hathon LA; Klemin DV; Dinariev O; Berg S; Safonov S; Myers M; de Jong H; others , 2013, 'Application of Digital Rock Technology for Chemical EOR Screening', SPE Enhanced Oil Recovery Conference

Armstrong RT; Berg S, 2013, 'Interfacial velocities and capillary pressure gradients during Haines jumps', Physical Review E, 88, pp. 043010 - 043010

Joekar-Niasar V; Doster F; Armstrong RT; Wildenschild D; Celia MA, 2013, 'Trapping and hysteresis in two-phase flow in porous media: A pore-network study', Water Resources Research, 49, pp. 4244 - 4256

Wildenschild D; Rivers ML; Porter ML; Iltis GC; Armstrong RT; Davit Y, 2013, 'Using Synchrotron-Based X-Ray Microtomography and Functional Contrast Agents in Environmental Applications', Soil–Water–Root Processes: Advances in Tomography and Imaging, pp. 1 - 22

Armstrong RT; Wildenschild D, 2012, 'Investigating the pore-scale mechanisms of microbial enhanced oil recovery', Journal of Petroleum Science and Engineering, 94, pp. 155 - 164

Armstrong RT; Porter ML; Wildenschild D, 2012, 'Linking pore-scale interfacial curvature to column-scale capillary pressure', Advances in Water Resources, 46, pp. 55 - 62

Armstrong RT; Wildenschild D, 2012, 'Microbial enhanced oil recovery in fractional-wet systems: A pore-scale investigation', Transport in porous media, 92, pp. 819 - 835

Armstrong RT; Porter ML; Wildenschild D, 2011, 'Analysis of interfacial curvature during drainage and imbibition', AGU Fall Meeting Abstracts, 1, pp. 02 - 02

Armstrong RT; Wildenschild D; others , 2011, 'Decoupling the Mechanisms of Microbial Enhanced Oil Recovery', SPE Annual Technical Conference and Exhibition

Wildenschild D; Armstrong RT; Herring AL; Young IM; William Carey J, 2011, 'Exploring capillary trapping efficiency as a function of interfacial tension, viscosity, and flow rate', Energy Procedia, 4, pp. 4945 - 4952

Iltis GC; Armstrong RT; Jansik DP; Wood BD; Wildenschild D, 2011, 'Imaging biofilm architecture within',

Iltis GC; Armstrong RT; Jansik DP; Wood BD; Wildenschild D, 2011, 'Imaging biofilm architecture within porous media using synchrotron-based X-ray computed microtomography', Water Resources Research, 47

Armstrong R; Ajo-Franklin J, 2011, 'Investigating biomineralization using synchrotron based X-ray computed microtomography', Geophysical Research Letters, 38

Harper E; Wildenschild D; Armstrong RT; Herring AL, 2011, 'Optimization of capillary trapping for application in geological carbon dioxide sequestration', AGU Fall Meeting Abstracts, 1, pp. 1281 - 1281

Herring AL; Wildenschild D; Harper E; Armstrong RT; Carey JW, 2011, 'Quantifying the effects of fluid properties and flow rates on the effectiveness of capillary trapping of CO2 in a Bentheimer sandstone', AGU Fall Meeting Abstracts, 1, pp. 1282 - 1282

Iltis GC; Armstrong RT; Jansik DP; Wood BD; Wildenschild D, 2011, 'Technical Notes-W02601 Imaging biofilm architecture within porous media using synchrotron-based X-ray computed microtomography (doi 10.1029/2010WR009410)', Water Resources Research, 47

Wildenschild D; Armstrong RT, 2011, 'The effects of fractional wettability on microbial enhanced oil recovery', AGU Fall Meeting Abstracts, 1, pp. 1244 - 1244

Molins S; Ajo Franklin JB; Armstrong RT; Nico PS; Silin D, 2010, 'Biogeochemically-driven evolution of pore structures and flow paths: experimental studies and modeling', AGU Fall Meeting Abstracts, 1, pp. 1110 - 1110

Armstrong RT; Wildenschild D, 2010, 'Designer-wet micromodels for studying potential changes in wettability during microbial enhanced oil recovery', AGU Fall Meeting Abstracts, 1, pp. 1061 - 1061

Iltis G; Armstrong RT; Jansik DP; Wood BD; Wildenschild D, 2009, 'Biofilm Growth in Porous Media: Validation of three-dimensional characterization of biofilm growth in packed bead columns', AGU Fall Meeting Abstracts, 1, pp. 08 - 08

Armstrong RT; Ajo Franklin JB, 2009, 'Probing the Dynamics of Biomineralization at the Pore Scale Using X-ray Computed Tomography', AGU Fall Meeting Abstracts, 1, pp. 0976 - 0976

Armstrong RT; Jansik DP; Wildenschild D; Wood BD, 2008, 'Imaging Biofilm Within Porous Media Using Synchrotron Based X-Ray Computed Microtomography', AGU Fall Meeting Abstracts, 1, pp. 03 - 03

Cordes AA; Meloy J; Andersen E; Cleveland M; Barnhart C; Armstrong R, 2005, 'Removal of Ammonia from Semiconductor Wastewater', The 2005 Annual Meeting

Stacey TR; Xianbin Y; Armstrong R; Keyter GJ, 2003, 'New slope stability considerations for deep open pit mines', Journal of the South African Institute of Mining and Metallurgy, 103, pp. 373 - 389

Back to profile page