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  • A wind field downscaling strategy based on domain segmentation and transfer functions 

    Barcons, Jordi; Avila, Matias; Folch, Arnau (Wiley, 2018-02-06)
    Article
    Open Access
    This paper presents a novel methodology for mesoscale‐to‐microscale downscaling of near‐surface wind fields. The model chain consists on the Weather Research and Forecast mesoscale model and the Alya‐CFDWind microscale ...

  • Left Ventricular Trabeculations Decrease the Wall Shear Stress and Increase the Intra-Ventricular Pressure Drop in CFD Simulations 

    Sacco, Federica; Paun, Bruno; Lehmkuhl, Oriol; Iles, Tinen L.; Iaizzo, Paul A.; Houzeaux, Guillaume; Vázquez, Mariano; Butakoff, Constantine; Aguado-Sierra, Jazmin (Frontiers Media, 2018-04-30)
    Article
    Open Access
    The aim of the present study is to characterize the hemodynamics of left ventricular (LV) geometries to examine the impact of trabeculae and papillary muscles (PMs) on blood flow using high performance computing (HPC). ...

  • Overview of ASDEX Upgrade results 

    ASDEX Upgrade Team; EUROfusion MST1 Team; Mantsinen, Mervi (International Atomic Energy Agency (IAEA), 2017-06-28)
    Article
    Open Access
    The ASDEX Upgrade (AUG) programme is directed towards physics input to critical elements of the ITER design and the preparation of ITER operation, as well as addressing physics issues for a future DEMO design. Since 2015, ...

  • The combustion mitigation of methane as a non-CO2 greenhouse gas 

    Jian, X.; Mira, Daniel; Cluff, D.L. (Elsevier, 2018-05)
    Article
    Restricted access - publisher's policy
    Anthropogenic emissions of non-CO2 greenhouse gases such as fugitive methane contribute significantly to global warming. A review of fugitive methane combustion mitigation and utilisation technologies, which are primarily ...

  • Regional aerosol deposition in the human airways: The SimInhale benchmark case and a critical assessment of in silico methods 

    Koullapis, P.; Kassinos, S.C.; Muela Castro, Jordi; Perez-Segarra, C.; Rigola, J.; Lehmkuhl, Oriol; Cui, Y.; Sommerfeld, M.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (Elsevier, 2018-02-15)
    Article
    Restricted access - publisher's policy
    Regional deposition effects are important in the pulmonary delivery of drugs intended for the topical treatment of respiratory ailments. They also play a critical role in the systemic delivery of drugs with limited lung ...

  • LES-based Study of the Roughness Effects on the Wake of a Circular Cylinder from Subcritical to Transcritical Reynolds Numbers 

    Rodriguez, Ivette; Lehmkuhl, Oriol; Piomelli, Ugo; Chiva, Jorge; Borrell, Ricard; Oliva, Assensi (Springer Verlag, 2017-12)
    Article
    Restricted access - publisher's policy
    This paper investigates the effects of surface roughness on the flow past a circular cylinder at subcritical to transcritical Reynolds numbers. Large eddy simulations of the flow for sand grain roughness of size k/D = 0.02 ...

  • The Effect of Partial Premixing and Heat Loss on the Reacting Flow Field Prediction of a Swirl Stabilized Gas Turbine Model Combustor 

    Gövert, Simon; Mira, Daniel; Kok, Jim B. W.; Vázquez, Mariano; Houzeaux, Guillaume (Springer Verlag, 2018-03)
    Article
    Open Access
    This work addresses the prediction of the reacting flow field in a swirl stabilized gas turbine model combustor using large-eddy simulation. The modeling of the combustion chemistry is based on laminar premixed flamelets ...

  • Potential ash impact from Antarctic volcanoes: Insights from Deception Island’s most recent eruption 

    Geyer, A.; Marti, Alejandro; Giralt, S.; Folch, Arnau (Nature Publishing Group, 2017-11-28)
    Article
    Open Access
    Ash emitted during explosive volcanic eruptions may disperse over vast areas of the globe posing a threat to human health and infrastructures and causing significant disruption to air traffic. In Antarctica, at least five ...

  • Unconventional Current Scaling and Edge Effects for Charge Transport through Molecular Clusters 

    Obersteiner, Veronika; Huhs, Georg; Papior, Nick; Zojer, Egbert (2017-10-18)
    Open Access
    Metal–molecule–metal junctions are the key components of molecular electronics circuits. Gaining a microscopic understanding of their conducting properties is central to advancing the field. In the present contribution, ...

  • The effects of electron cyclotron heating and current drive on toroidal Alfvén eigenmodes in tokamak plasmas 

    Sharapov, S.E.; Garcia-Muñoz, M.; van Zeeland, M.A.; Bobkov, B.; Classen, I.G.J.; Ferreira, J.; Figueiredo, A.; Fitzgerald, M.; Galdon-Quiroga, J.; Gallart, D.; Geiger, B.; Gonzalez-Martin, J.; Johnson, T.; Lauber, P.; Mantsinen, Mervi; Nabais, F.; Nikolaeva, V.; Rodriguez-Ramos, M.; Sanchis-Sanchez, L.; Schneider, P.A.; Snicker, A.; Vallejos, P.; AUG Team; EUROfusion MST1 Team (IOP Publishing, 2017-11-02)
    Article
    Open Access
    Dedicated studies performed for toroidal Alfvén eigenmodes (TAEs) in ASDEX-Upgrade (AUG) discharges with monotonic q-profiles have shown that electron cyclotron resonance heating (ECRH) can make TAEs more unstable. In these ...

  • Fusion product losses due to fishbone instabilities in deuterium JET plasmas 

    Kiptily, V.G.; Fitzgerald, M.; Goloborodko, V.; Sharapov, S.E.; Challis, C.D.; Frigione, D.; Graves, J.; Mantsinen, Mervi; Beaumont, P.; Garcia-Munoz, M.; Perez von Thun, C.; Rodriguez, J.F.R.; Darrow, D.; Keeling, D.; King, D.; McClements, K.G.; Solano, E.R.; Schmuck, S.; Sips, G.; Szepesi, G.; JET Contributors (IOP Publishing, 2018)
    Article
    Restricted access - publisher's policy
    During development of a high-performance hybrid scenario for future deuterium–tritium experiments on the Joint European Torus, an increased level of fast ion losses in the MeV energy range was observed during the instability ...

  • ICRH physics and technology achievements in JET-ILW 

    Jacquet, P.; van Eester, D.; Lerche, E.; Bobkov, V.; Blackman, T.; Colas, L.; Challis, C.; Czarnecka, A.; Dumortier, P.; Frigione, D.; Durodié, F.; Garzotti, L.; Goniche, M.; Graves, J.; Kazakov, Y.; Kirov, K.; Klepper, C.C.; Krawczyk, N.; Krivska, A.; Mantsinen, Mervi; Monakhov, I.; Nunes, I.; Ongena, J.; Reinke, M.; Rimini, F.; Zhang, W.; JET Contributors (EDP Sciences, 2017-10-23)
    Article
    Open Access
    ICRH was extensively used in the 2015-16 JET-ILW (ITER like wall) experimental campaign; bulk heating together with high-Z impurity chase-out from plasma centre importantly contributed to the good DD fusion performance ...

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