Browsing by Author "Saaltink, Maarten Willem"Més informacióMés informació

Now showing items 1-20 of 48

    • A general and efficient numerical solution of reactive transport with multirate mass transfer 

      Wang, Jingjing; Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Valhondo González, Cristina (2022-01)
      Article
      Open Access
      The presence of low permeability regions within porous media impacts solute transport and the distribution of species concentrations. Therefore, (bio)chemical reactions are equally affected. Multirate Mass Transfer (MRMT) ...

    • A method for incorporating chemical reactions into CODE_BRIGHT 

      Saaltink, Maarten Willem; Vilarrasa Riaño, Víctor; Gaspari, Francesca de; Silva Rojas, Orlando Enrique; Carrera Ramírez, Jesús (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica (ETCG), 2012)
      Conference report
      Restricted access - publisher's policy

    • Analysis of water vapor adsorption in soils by means of a lysimeter and numerical modeling 

      Saaltink, Maarten Willem; Kohfahl, Claus; Molano Leno, Lidia (2020-04)
      Article
      Open Access
      Daily temperature oscillations can cause adsorption (and desorption) of atmospheric water vapor by soils. The resulting daily fluctuations in the amount of liquid water in the soil can be measured by high-precision weighing ...

    • Analytical solution to assess the induced seismicity potential of faults in pressurized and depleted reservoirs 

      Wu, Haiqing; Vilarrasa Riaño, Víctor; De Simone, Silvia; Saaltink, Maarten Willem; Parisio, Francesco (2021-01)
      Article
      Open Access
      Displaced faults crossing the reservoir could significantly increase the induced earthquake frequency in geo-energy projects. Understanding and predicting the stress variation in such cases is essential to minimize the ...

    • Bacterial transformation and biodegradation processes simulation in horizontal subsurface flow constructed wetlands using CWM1-RETRASO 

      Llorens Ribes, Esther; Saaltink, Maarten Willem; Poch, Manel; García Serrano, Joan (2011-01-01)
      Article
      Restricted access - publisher's policy
      The performance and reliability of the CWM1-RETRASO model for simulating processes in horizontal subsurface flow constructed wetlands (HSSF CWs) and the relative contribution of different microbial reactions to organic ...

    • Benchmark study of simulators for thermo-hydraulic modelling of low enthalpy geothermal processes 

      Mindel, Julian E.; Alt-Epping, Peter; Les Landes, Antoine Armandine; Beernink, Stijn; Birdsell, Daniel T.; Bloemendal, Martin; Hamm, Virginie; López, Simon; Maragna, Charles; Nielsen, Carsten M.; Olivella Pastallé, Sebastià; Perreaux, Marc; Saaltink, Maarten Willem; Saar, Martin O.; Van den Heuvel, Daniela; Vidal Montes, Rubén; Driesner, Thomas (2021-11)
      Article
      Open Access
      In order to assess the thermo-hydraulic modelling capabilities of various geothermal simulators, a comparative test suite was created, consisting of a set of cases designed with conditions relevant to the low-enthalpy range ...

    • Characterization of concrete by calibrating thermo-hydraulic multiphase flow models 

      Chaparro Sánchez, Maria Carme; Saaltink, Maarten Willem; Villar Galicia, María Victoria (2015-08-01)
      Article
      Open Access
      Evaporation tests in concrete columns have been analysed by numerical models to characterize the thermo-hydraulic properties and the processes in concrete. Two evaporation tests were performed: a column heated by a lamp ...

    • Chemicals of emerging concern in coastal aquifers: assessment along the land-ocean interface 

      Gutierrez Martin, Daniel; Gil Solsona, Ruben; Saaltink, Maarten Willem; Rodellas Vila, Valentí; Lopez Serna, Rebeca; Folch Sancho, Albert; Carrera Ramírez, Jesús; Gago Ferrero, Pablo (2023-04)
      Article
      Open Access
      Submarine Groundwater Discharge (SGD) is recognized as a relevant source of pollutants to the sea, but little is known about its relevance as a source of chemicals of emerging concern (CECs). Here, both the presence and ...

    • Combining fiber optic DTS, cross-hole ERT and time-lapse induction logging to characterize and monitor a coastal aquifer 

      Folch Sancho, Albert; Val Alonso, Laura del; Luquot, Linda; Martínez Pérez, Laura; Bellmunt, F.; Le Lay, Hugo; Rodellas, Valentí; Ferrer Ramos, Nuria; Palacios Pierluissi, Andrea Viviana; Marazuela Calvo, Miguel Ángel; Diego Feliu, Marc; Pool Ramírez, María; Goyetche, Tybaud; Ledo, J.; Pezard, Philipe; Bour, Olivier; Queralt, P.; Marcuello Tomàs, Amaranta; Garcia Orellana, Jordi; Saaltink, Maarten Willem; Vázquez Suñé, Enric; Carrera Ramírez, Jesús (Elsevier, 2020-09)
      Article
      Open Access
      The characterization of saline water intrusion (SWI) and its hydrodynamics is a key issue to understand submarine groundwater discharge (SGD) and manage groundwater resources in coastal areas. To test and compare different ...

    • Comparing precision lysimeter rainfall measurements against rain gauges in a coastal dune belt, Spain 

      Kohfahl, Claus; Saaltink, Maarten Willem (Elsevier, 2020-12)
      Article
      Open Access
      Precipitation measurements are performed mostly by simple automatic rain gauges installed at a certain level above the ground surface, but these methods are often affected by significant measurement errors due to the ...

    • Compositional formulation for multi phase flow reactive transport in porous media: an approach that simplifies coupling between phenomena 

      Gamazo Rusnac, Pablo Andres; Saaltink, Maarten Willem; Carrera Ramírez, Jesús (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2010)
      Conference report
      Open Access
      In this work we discuss coupling difficulties that arises when solving phase and species conservation equations. We present a compositional formulation that avoids these difficulties, and allows solving multiphase reactive ...

    • CWM1 implementation in RetrasoCodeBright: first results using horizontal subsurface flow constructed wetland data, Chemical Engineering Journal 

      Llorens Ribes, Esther; Saaltink, Maarten Willem; García Serrano, Joan (2011-01-01)
      Article
      Restricted access - publisher's policy
      Constructed Wetland Model No. 1 (CWM1) processes were implemented within RetrasoCodeBright (RCB) to simulate hydraulics and reactive transport as well as the main biodegradation and transformation processes in horizontal ...

    • Dynamics of water vapor flux and water separation processes during evaporation from a salty dry soil 

      Gran Esforzado, Meritxell; Massana, Jordi; Carrera Ramírez, Jesús; Saaltink, Maarten Willem; Olivella Pastallé, Sebastià; Ayora Ibáñez, Carlos; Lloret Morancho, Antonio (Elsevier, 2011-01)
      Article
      Restricted access - publisher's policy
      Evaporation from a salty soil generates salt accumulation near the surface with the subsequent deterioration of the soil quality. Salinization mechanisms are poorly understood despite their global impact. Vapor flux and ...

    • Evaluation of self-combustion risk in tire derived aggregate fills 

      Arroyo Alvarez de Toledo, Marcos; San Martin, Ignacio; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem (2011-09)
      Article
      Restricted access - publisher's policy
      Lightweight tire derived aggregate (TDA) fills are a proven recycling outlet for waste tires, requiring relatively low cost waste processing and being competitively priced against other lightweight fill alternatives. However ...

    • Experimental and modeling investigation of multicomponent reactive transport in porous media 

      Katz, Graham; Berkowitz, Brian; Guadagnini, Alberto; Saaltink, Maarten Willem (2011-01-01)
      Article
      Restricted access - publisher's policy
      We present an experimental and modeling study of solute transport in porous media in the presence of mixing-induced precipitation of a solid phase. Conservative and reactive transport experiments were performed in a ...

    • Extreme precipitation events induce high fluxes of groundwater and associated nutrients to the coastal ocean 

      Diego Feliu, Marc; Rodellas, Valentí; Alorda Kleinglass, Aaron; Saaltink, Maarten Willem; Folch Sancho, Albert; Garcia Orellana, Jordi (2022-09)
      Article
      Open Access
      Current Submarine Groundwater Discharge (SGD) studies are commonly conducted under aquifer baseflow conditions, neglecting the influence of episodic events that can significantly increase the supply of nutrients and water. ...

    • Grimsel test site - Long-term cement studies.Reactive transport modeling of experiment 2 at Grimsel 

      Saaltink, Maarten Willem; Soler Matamala, Josep M. (2016-04)
      Research report
      Open Access
      Within the framework of the GTS-LCS project (Grimsel Test Site – Long-Term Cement Studies), an in-situ experiment lasting about 5 years was started in 2009 to study water-cement-rock interactions in fractured granite. A ...

    • GTS_LCS, in-situ experiment 2: modeling of tracer tests 09-03 

      Manette Forti, Maria Manuela; Saaltink, Maarten Willem; Soler Matamala, Josep M. (2015-02)
      Research report
      Open Access
      Within the framework of the GTS-LCS project (Grimsel Test Site – Long-Term Cement Studies), an in-situ experiment lasting about 5 years was started in 2009 to study water-cement-rock interactions in a fractured granite. ...

    • Heat storage efficiency, ground surface uplift and thermo-hydro-mechanical phenomena for high-temperature aquifer thermal energy storage 

      Vidal Montes, Rubén; Olivella Pastallé, Sebastià; Saaltink, Maarten Willem; Diaz-Maurin, François Carlos León (2022-10)
      Article
      Open Access
      High-temperature aquifer thermal energy storage (HT-ATES) systems can help in balancing energy demand and supply for better use of infrastructures and resources. The aim of these systems is to store high amounts of heat ...

    • HEATSTORE: high temperature underground thermal energy storage 

      Koornneef, Joris; Guglielmetti, Luca; Hahn, Florian; Egermann, Patrick; Vangkilde-Pedersen, Thomas; Sif Aradottir, Edda; Allaerts, Koen; Viveiros, Fatima; Saaltink, Maarten Willem (2019)
      Conference lecture
      Open Access
      Thermal energy storage technologies need to be further developed and need to become an integral component in the future energy system infrastructure to meet variations in both the availability and demand of energy. The ...