Stephen Whitaker

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In this study we describe a scheme for numerically calculating the effective diffusivity of cellular systems such as biofilms and tissues. This work extends previous studies in which we developed the macroscale representations of the transport equations for cellular systems based on the subcellular-scale transport and reaction processes. A finite-difference(More)
In this paper, the method of large-scale averaging is used to develop two different one-equation models describing dispersion in heterogeneous porous media. The first model represents the case of large-scale mass equilibrium, while the second represents the asymptotic behavior of a two-equation model obtained by large-scale averaging. It is shown that a(More)
The analysis of two-phase flow in porous media begins with the Stokes equations and an appropriate set of boundary conditions. Local volume averaging can then be used to produce the well known extension of Darcy's law for two-phase flow. In addition, a method of closure exists that can be used to predict the individual permeability tensors for each phase.(More)
  • Iztapalapa México Hernández-Pérez, M A Del Muro-Cuéllar, B Cortés-Rodríguez, D Araujo-Vargas, Stephen Whitaker, S A Medina-Moreno +22 others
  • 2015
(Biodegradation modeling of sludge bioreactors of total petroleum hydrocarbons weathering in soil and sediments) 259 Crecimiento, sobrevivencia y adaptación de Bifidobacterium infantis a condiciones ácidas (Growth, survival and adaptation of Bifidobacterium infantis to acidic conditions)Espinosa 265 Statistical approach to optimization of ethanol(More)
  • Eduardo Jaime, Vernon Carter, Alberto E Ochoa-Tapia, Vernon-Carter Jaime, Dr, Tomás Viveros-García +21 others
  • 2007
La versión electrónica de la Revista Mexicana de Ingeniería Química puede consultarse en: Suscripciones: Envíe giro postal o cheque a nombre de la "Academia Mexicana de Investigación y Docencia en Ingeniería Química, A.C." a: La REVISTA MEXICANA DE INGENIERÍA QUÍMICA publica artículos de investigación originales, con el fin de promover la rápida divulgación(More)
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