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    • On Preconditioning Variable Poisson Equation with Extreme Contrasts in the Coefficients 

      Alsalti Baldellou, Àdel; Trias Miquel, Francesc Xavier; Gorobets, Andrey; Oliva Llena, Asensio (International Centre for Numerical Methods in Engineering (CIMNE), 2021)
      Conference report
      Open Access
      It is well known that the solution by means of iterative methods of very ill-conditioned systems leads to very poor convergence rates. In this context, preconditioning becomes crucial in order to modify the spectrum of the ...

    • Simulation of fluid-structure interaction and impact force on a reed valve 

      Castrillo Green, Pablo; Schillaci, Eugenio; Rigola Serrano, Joaquim (2021)
      Conference report
      Open Access
      The cyclic impact force between a reed valve and the seat plate is the main reason of the valve failure in many thermo-technical devices as compressors, engines, etc. According to experimental observations the latter is ...

    • Experimental and numerical analysis of reed valve movement in an impact fatigue test system and reciprocating compressors 

      Tofique, Muhammad Waqas; Löf, Alexander; Schillaci, Eugenio; Castrillo Green, Pablo; Rigola Serrano, Joaquim (Purdue University, 2021)
      Conference report
      Restricted access - publisher's policy
      During operation of a reciprocating compressor, its flapper valve opens to allow the passage of gases and closes by striking against the valve impact plate. This reed valve movement and impact is repeated billions of times. ...

    • Silk-reinforced collagen hydrogels with raised multiscale stiffness for mesenchymal cells 3D culture 

      Sanz Fraile, Héctor; Amorós García de Valdecasas, Susana; Mendizabal, Irene; Galvez Monton, Carolina; Prat Vidal, Cristina; Bayés Genis, Antoni; Navajas Navarro, Daniel; Farré Ventura, Ramon; Otero, Jordi (2020-03-01)
      Article
      Restricted access - publisher's policy
      Type I collagen hydrogels are of high interest in tissue engineering. With the evolution of 3D bioprinting technologies, a high number of collagen-based scaffolds have been reported for the development of 3D cell cultures. ...

    • Reduction of Cost and Environmental Impact in the Treatment of Textile Wastewater Using a Combined MBBR-MBR System 

      Yang, Xuefei; López Grimau, Víctor (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-19)
      Article
      Open Access
      A hybrid Moving Bed Biofilm Reactor—Membrane Bioreactor (MBBR-MBR) was developed for the treatment of wastewater from a Spanish textile company. Compared with conventional activated sludge (CAS) treatment, the feasibility ...

    • Emerging technologies applied to the agrifood sector 

      Berenguer Sau, Jordi (2020-01)
      Article
      Open Access
      The sustainable development goals proposed by the 2030 Agenda include: putting an end to hunger, achieving food security, improving nutrition and promoting sustainable agriculture. Many different initiatives ...

    • A mathematical model of carbon capture by adsorption 

      Font Martínez, Francesc; Myers, Timothy G.; Hennessy, Matthew G. (2021-08-02)
      Part of book or chapter of book
      Restricted access - publisher's policy
      We present a model to describe the capture of carbon by an adsorbing porous material occupying a circular cross-section column. The model consists of an advection-reaction-diffusion equation for the gas concentration coupled ...

    • Recent progress in the quantitative validation of JOREK simulations of ELMs in JET 

      Pamela, Stanislas; Huijsmans, Guido T.A.; Eich, Thomas Hubert; Saarelma, Samuli; Giroud, Carine; Hoelzl, Matthias; Orain, François; Futatani, Shimpei (2017-07-01)
      Article
      Restricted access - publisher's policy
      Future devices like JT-60SA, ITER and DEMO require quantitative predictions of pedestal density and temperature levels, as well as inter-ELM and ELM divertor heat fluxes, in order to improve global confinement capabilities ...

    • Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution a 

      Eich, Thomas Hubert; Angioni, Clemente; Barnes, Mike; Bobkov, Volodymyr; Cannas, Barbara; Castejón Magaña, Francisco; Castro Fouz, R.; Causa, F; Challis, Clive; Chapman, S. Jon; Citrin, Jonathan; Coelho Pessoa, Rubem Manoel; Cseh, Gabor; Czarnecka, Agata; De Tommasi, Giambattista; Decker, Joan; Drenik, Aleksander; Erdos, Boglárka; Domingues de Figueiredo, Antonio; Fontana, Maria Pia; Frigione, Domenico; Futatani, Shimpei; Garzotti, Luca; Geiger, Benjamin; Giroud, Carine; Hacek, Pavel; Hauer, Volker; Huang, Zhen; Schoerghuber, Alexander; Ivanova-Stanik, Irena; Jacquet, Philippe; Jakubowski, Marcin; Joffrin, Emmanuel; Jonsson, Thomas; Kasilov, Sergei V.; Kernbichler, Winfried; Kocsis, Gabor; Krawczyk, Natalia; Labit, Benoît; Lauber, Philipp; Mailloux, Joelle; Mantica, Paola; Marchand, Benoit; Moret, Janice; Bohn-Nielsen, A; Nocente, Massimo; Olsen, Jorn H.; Orain, François; Pamela, Stanislas; Papp, Gergely; Gómez-Pau, Álvaro; Pautasso, Gabriella; Pisano, Fabio; Pokol, Gergo; Popoviç, Zoya; Pütterich, Thomas; Treich Ulldemolins, Montse; Saarelma, Samuli; Salmi, Alessandro; Sauter, Olivier; Sharapov, Sergei; Szepesi, Tamás; Viitala, T.; Voitsekhovitch, Irina; Wang, Ningbo; Weinzettl, Vladimir (2017-10-01)
      Article
      Open Access
      Integrating the plasma core performance with an edge and scrape-off layer (SOL) that leads to tolerable heat and particle loads on the wall is a major challenge. The new European medium size tokamak task force (EU-MST) ...

    • El posible rol del biometano en una ciudad modelo: Lleida 

      Flotats Ripoll, Xavier (2021-09)
      Article
      Open Access
      L'objectiu d'aquest article és analitzar quina aportació podria representar la producció de biogàs i biometà en una ciutat mitjana, com Lleida, capital de la comarca del Segrià, per tal de detectar també els limitants o ...

    • Transition from no-ELM response to pellet ELM triggering during pedestal build-up - insights from extended MHD simulations 

      Futatani, Shimpei; Hoelzl, Matthias; Huijsmans, Guido T.A.; ASDEX Upgrade Team, ASDEX Upgrade Team; EUROfusion MST1 team, EUROfusion MST1 team (2021-04-01)
      Article
      Restricted access - publisher's policy
      Pellet edge localized mode (ELM) triggering is a well-established scheme for decreasing the time between two successive ELM crashes below its natural value. Reliable ELM pacing has been demonstrated experimentally in several ...

    • The JOREK non-linear extended MHD code and applications to large-scale instabilities and their control in magnetically confined fusion plasmas 

      Bandaru, Vinodh; Huijsmans, Guido T.A.; Futatani, Shimpei; Becoulet, Marina; Artola, F.J. (2021-06-01)
      Article
      Open Access
      JOREK is a massively parallel fully implicit non-linear extended magneto-hydrodynamic (MHD) code for realistic tokamak X-point plasmas. It has become a widely used versatile simulation code for studying large-scale plasma ...

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