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Detail Info for Hari S. Viswanathan

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Group: EES-16  

Expertise

Subsurface Flow and Transport Model Development and Application: reactive transport, carbon sequestration, colloid transport, groundwater, reactive micromixing
   

Bio

Ph.D. Environmental Engineering University of Illinois at Urbana-Champaign (1999)
M.S. Environmental Engineering University of Illinois at Urbana-Champaign (1995)
B.S. Chemical Engineering University of California at Santa Barbara (1993)
   

Selected Publications

Kaszuba, J.P., Viswanathan, Viswanathan, H.S., Carey, J.W., On the reactivity of dawsonite: Importance of aluminum solubility and speciation to geologic carbon sequestration, geophysical research letters in press.

Keating, G.N., Middleton, R.S., Stauffer, P.H., Viswanathan, H.S., Letellier, B.C., Mesoscale Carbon Sequestration Site Screening and CCS Infrastructure Analysis, Environmental Science and Technology, Vol 45, Iss.1, p215-222, 2011.

Kang, Q., Lichtner, P.C., Viswanathan, H.S., Abdel-Fattah, A.I., Porescale Modeling of Reactive Transport in Geologic Sequestration, Tranport in Porous Media, 82:197-213, 2010.

Srinivasan, G., Tartakovsky,D.M., Dentz,M., Viswanathan,H.S., Berkowitz,B., Robinson, B.A., Random walk particle tracking simulations of non-Fickian transport in heterogeneous media, Journal of Computational Physics, 229:4304-4314, 2010.

Wang, M., Kang, Q., Viswanathan, H.S., Robinson, B.A., Modeling of electro-osmosis of dilute electrolyte solutions in silica microporous media, Journal of Geophysical Research, Vol 155, 2010.

10. Stauffer, P.H., Viswanathan, H.S., Pawar, R.J., and Guthrie, G.D., A system model for geologic sequestration of carbon dioxide, Envrion. Sci. Technol., 43(3), 565-570. Referenced in: model of Carbon Storage Get Real. E. Engelhaupt, ES&T Environmental News, Sec. 17th 2008, Referenced to the Journal Cover Feb. 1 2009.

Chaudhuri, A., H. Rajaram, H.S. Viswanathan, G.A., Zyvoloski, P.H. Stauffer, Buoyant convection resulting from dissolution and permeability growth in vertical limestone fractures. Geophysical Research Letters, 36, L03401, 2009.

Connington, K., Kang, Q.J., Viswanathan, H.S., Abdel-Fattah, A., Chen, S.Y., Peristaltic particle transport using the Lattice Boltzmann method, Physics of Fluids, Vol 21.

Newell, D. L., J. P. Kaszuba, H. S. Viswanathan, R. J. Pawar, and T. Carpenter (2008), Significance of carbonate buffers in natural waters reacting with supercritical CO2: Implications for monitoring, measuring and verification (MMV) of geologic carbon sequestration, Geophys. Res. Lett., 35, L23403, doi:10.1029/2008GL035615.

Stauffer, P.H., Viswanathan, H.S., Pawar, R.J., Guthrie, G.D., A System Model for Geologic Sequestration of Carbon Dioxide, Environmental Science and Technology, 11/2008.

Chaudhuri, A., Rajaram, H., Viswanathan, H.S. Alteration of fractures by precipitation and dissolution in gradient reaction environments: Computational results and stochastic analysis, Water Resources Research, Vol 44., Iss. 10, 2008.

Visawnathan, H.S., Pawar, R.J., Stauffer, P.H., Kaszuba, J.P., Carey, J.W., Olsen, S.C., Keating, G.N., Kavetski, D., Guthrie, G.D., Development of a hybrid process an system model for the assessment of wellbore leakage at a geologic CO2 sequestration site, Environmental Science and Technology, Vol. 42, Iss. 19, p. 7280-7286, 2008.

Zyvoloski, G.A., Robinson, B.A., Viswanathan,H.S., Generalized dual porosity: A numerical method for representing spatially variable sub-grid scale processes, Advances in Water Resources, 31, pp. 535-544, 2007.

Robinson, B. A., A. V. Wolfsberg, H. S. Viswanathan, and P. W. Reimus (2007), A colloid-facilitated transport model with variable colloid transport properties, Geophys. Res. Lett., 34, L09401, doi:10.1029/2007GL029625.

Robinson, B. A., and H. S. Viswanathan. Application of the theory of micromixing to groundwater reactive transport models, Water Resour. Res., 39(11), 1313, doi:10.1029/2003WR002368, 2003.

Viswanathan, H.S. Robinson, B.A., Gable., C.W., and Carey, J.W. A geostatistical modeling study on the effect of heterogeneity on radionuclide transport in the unsaturated zone, Yucca Mountain, Journal of Contaminant Hydrology.Volume 62-63, April-May 2003.

Robinson, B. A., H. S. Viswanathan, and A. J. Valocchi, 2000. "Efficient numerical techniques for modeling multicomponent ground-water transport based upon simultaneous solution of strongly coupled subsets of chemical components," Adv. Water Resour., 23, 307-324.

Viswanathan, H. S., B. A. Robinson, A. J. Valocchi, and I. R. Triay, 1998. "A reactive transport model of neptunium migration from the potential repository at Yucca Mountain," J. Hydrol., 209, 251-280.
   

Capabilities

computational geochemistry mineral-solution equilibria
reactive transport
speciation
adsorption
geochemistry kinetics
ground water hydrology bioremediation
colloid transport
conceptual model development
contaminant transport
fracture flow
groundwater model development
multiphase transport
reactive transport modeling
subsurface flow and transport
unsaturated flow modeling
modeling and simulation code verification
fehm finite element heat mass
porous flow
risk assessment
subsurface transport
project Nevada test site (NTS)
Yucca Mountain (YMP)
   
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