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Riaz, Amir

Amir Riaz
Assistant Professor
3127 Glenn L. Martin Hall, Building 088
University of Maryland
College Park, MD 20742

Research Interests 

  • Numerical methods for multiphase flow
  • Multiscale modeling and simulation of multiphase flow in porous media, microchannels and heat exchangers
  • Multiphase transport of mixtures in porous media
  • Perturbation analysis of interfacial instability
  • Carbon dioxide sequestration
  • Enhanced oil recovery


  • Postdoctoral Fellowship, Stanford University, Petroleum Engineering, 2006.
  • Ph.D., University of California Santa Barbara, Mechanical Engineering, 2003.
  • M.S., University of Southern California, Aerospace Engineering, 2001.
  • B.S., University of Engineering and Technology Lahore, Mechanical Engineering, 1994.

Selected Publications 


  • De Loubens, R., Riaz, A. and Tchelepi, H.A., "Adaptive Implicit Scheme for Hyperbolic Conservation Laws: Formulation and Error Analysis," SIAM Journal on Scientific Computing, 31(4):2890, 2009.
  • Yildiray, C., Riaz, A. and Tchelepi, H.A., "Experimental Study of CO2 Injection into Saline Formations," SPE Journal, 14:588-594, 2009.


  • Riaz, A. and Tchelepi, H.A., "Dynamics of Vertical Displacement in Saline Aquifers Associated with CO2 Sequestration," SPE Journal, 13:305, 2008.


  • Riaz, A. and Tchelepi, H.A., "Stability of Two-Phase Vertical Flow in Homogeneous Porous Media," Physics of Fluids, 19: 072103, 2007.
  • Riaz, A., Tang, G-Q, Tchelepi, H.A. and Kovscek, A.R., "Forced Imbibition in Natural Porous Media: Comparison Between Experiments and Continuum Models," Physical Review, E 75: 036305, 2007.


  • Riaz, A. and Tchelepi, H.A., "Influence of Relative Permeability on the Stability Characteristics of Immiscible Flow in Porous Media," Transport in Porous Media, 64 (3): 315-338, 2006.
  • Riaz, A., Hesse, M., Tchelepi, H.A. and Orr, F.M., "Onset of Convection in a Gravitationally Unstable Diffusive Boundary Layer in Porous Media," Journal of Fluid Mechanics, 548: 87-111, 2006.
  • Riaz, A. and Tchelepi, H.A., "Numerical Simulation of Immiscible Two-Phase Flow in Porous Media," Physics of Fluids, 18 (1): 014104, 2006.


  • Riaz, A. and Meiburg, E.,  "Vorticity Interaction Mechanisms in Variable-Viscosity Heterogeneous Miscible Displacements With and Without Density Contrast," Journal of Fluid Mechanics, 517: 1-25, 2004.

Related News 

Professors Earn Grants for Fluid Mechanics
Office of Naval Research awards $1.7M to Balaras, Riaz and Duncan. November 10, 2010

Amir Riaz Joins ME Faculty
ME department welcomes its newest Assistant Professor. January 22, 2010