{"id":59784,"date":"2007-09-07T00:00:00","date_gmt":"2007-09-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/multiphase-gas-transport-in-a-shear-zone\/"},"modified":"2007-09-07T00:00:00","modified_gmt":"2007-09-07T00:00:00","slug":"multiphase-gas-transport-in-a-shear-zone","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/hidrogeologia\/multiphase-gas-transport-in-a-shear-zone\/","title":{"rendered":"Multiphase gas transport in a shear zone"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jorge Jodar Bermudez <\/strong><\/h2>\n<p>In the post-operational phase of a low\/intermediate-low radioactive waste repository, gas will be generated in the caverns due to anaerobic corrosion of metals, and also chemical and microbial degradation of organic substances. Previous investigations on gas migration have indicated that discrete water-conducting features  (e.G. Shear zones) are mainly responsible for gas transport from the caverns through the geosphere. Two phase flow processes occur in these water conducting features; the continuity and spatial distribution of pore spaces, the pore size distribution and the interfacial forces of the three phases gas-water-rock have a significant influence on gas transport.  the main difficulties to be resolved when simulating two-phase flow processes  in fractured rock are:  \u00c2\u00b7 the description of the internal heterogeneity of the individual water conducting features. The influence of channelling along preferential flow paths is even more important than for single phase fluid flow, because gas transport takes place more or less exclusively along the most transmissive channels.  \u00c2\u00b7 the determination of effective mass exchange coefficients of the relevant components of the system. Mass exchange may occur between three phases (gas-water-rock). It depends on the spatial distribution of water and gas along the water conducting features (i.E. Specific surface of contact areas between phases), and on the solubility and diffusivity of the different components, but also on a couple of state  variables of liquid phase (initial content of dissolve\/free gas, initial pressure).  the work presented in this thesis aims to improve the understanding of the physics of single and multiphase transport phenomena, to be able to develop a quantitative description of gas transport in shear zones to overcome in a satisfactory way the problems described above.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Multiphase gas transport in a shear zone<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Multiphase gas transport in a shear zone <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jorge Jodar Bermudez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de catalunya<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 09\/07\/2007<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jes\u00fas Carrera Ram\u00edrez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco javier Elorza tenreiro <\/li>\n<li>peter Meier (vocal)<\/li>\n<li>vicente Navarro g\u00e1mir (vocal)<\/li>\n<li>maarten willem Saaltink (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jorge Jodar Bermudez In the post-operational phase of a low\/intermediate-low radioactive waste repository, gas will be generated [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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