2000
DOI: 10.1007/978-94-017-1114-2_22
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Experimental and Numerical Investigation of Porosity Variations in Saline Media Induced by Temperature Gradients

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Cited by 3 publications
(5 citation statements)
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“…Some of them can be found in Castagna et al (2000) together with preliminary experiments. In this process of modelling, it was observed that the variables that showed the strongest influence on the results of the numerical simulation of the test were the intrinsic permeability, the relative permeability and the vapour diffusivity (tortuosity).…”
Section: Modelling Laboratory Tests On Porosity Variations Induced Bymentioning
confidence: 98%
“…Some of them can be found in Castagna et al (2000) together with preliminary experiments. In this process of modelling, it was observed that the variables that showed the strongest influence on the results of the numerical simulation of the test were the intrinsic permeability, the relative permeability and the vapour diffusivity (tortuosity).…”
Section: Modelling Laboratory Tests On Porosity Variations Induced Bymentioning
confidence: 98%
“…September 25, 2014 Olivella et al (2011) recently presented laboratory experiment results (Figure 3.17) and numerical modeling with CODE BRIGHT related to crushed salt dissolution and precipitation under salt repository relevant conditions, building on related earlier work by Olivella et al (1996) and Castagna et al (2000). Figure 3.17 shows the distribution and evolution of porosity (determined by destructively analyzing the cylindrical samples in slices) after heating one end of the sample.…”
Section: Recent Brine Modeling In Geologic Saltmentioning
confidence: 92%
“…CODE BRIGHT (https://www.etcg.upc.edu/recerca/webs/code_bright) is a two-phase, variably saturated, porous medium flow, finite-element model developed at Universitat Politècnic de Catalunya to solve the poroelastic air/brine flow problem in deforming salt (Olivella et al, 1994(Olivella et al, , 1995. CODE BRIGHT has been used to simulate reconsolidation (Czaikowski et al, 2012) and dissolution/precipitation (Castagna et al, 2000;Olivella et al, 2011) of crushed salt. CODE BRIGHT can simulate large deformations, with thermal, mechanical, hydrological (gas and liquid phases), and transport processes in a tightly coupled manner.…”
Section: Code Brightmentioning
confidence: 99%
“…In fact, the migration of brine inclusions in the solid phase may be caused by temperature gradients. Temperature gradients may induce significant phenomena in wet unsaturated saline media, as it was already shown in the laboratory tests that were carried out on these phenomena (Castagna et al, 2000) Firstly, solubility dependence on temperature originates salt concentration gradients. Secondly, temperature vapour concentration originates gradients of vapour pressure and, consequently, migration of water vapour.…”
Section: Description Of Code_brightmentioning
confidence: 93%
“…Thus, the first point of this work was to establish a "reference test" and to determine the right system to carry out the experiments. Castagna et al (1998) presented the preliminary results in a paper and from that moment on the "reference test" and the test procedure were fixed.…”
Section: Fig 42 Scheme Of a Gallery Used For Nuclear Waste Deposits W...mentioning
confidence: 99%