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+34 93 401 18 60Esta dirección de correo electrónico está siendo protegida contra los robots de spam. Necesita tener JavaScript habilitado para poder verlo.
UPC: C/ Jordi Girona 31, (08034 - Barcelona) - IDAEA: C/ Jordi Girona 18-26, (08034 - Barcelona)

Eventos y Seminarios

Formación, cursos, eventos y seminarios

Mixing and chemical reactions in multiphase systems

SEMINARIO GRUPO DE HIDROLOGIA SUBTERRÁNEA
(UPC-CSIC)
 
a cargo de

Joaquin Jimenez-Martinez
(ETH, Zurich)
 

Jueves 9 de Novembre a las 12:15 h
en
Departamento de Ingeniería del Terreno, Aula CIHS, Planta Baja


Abstract:
Porous and fractured media are often characterized by the coexistence of immiscible (e.g., water and air in soils) or partially miscible (e.g., water and oil with CO2 in reservoirs) phases. The complex spatial distribution of the phases can considerably complicate the flow dynamics with the development of regions of very low velocity, including regions where velocity is zero, and of preferential channels of high velocity. This highly heterogeneous velocity field makes transport, including mixing and chemical reactions, more complex. Mixing processes play a key role in controlling fluid-fluid chemical reactions. However, conventional continuum-scale theories and models oversimplify and/or ignore important micro-scale processes. I present recently proposed experimental developments (milli- and micro-fluidics) and theoretical approaches for a better mechanistic understanding of transport, mixing, and chemical reactions, and their coupling with multiphase flows.  
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