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Mostrando ítems 1-20 de 37

    • A complex storm system in Saturn's north polar atmosphere in 2018 

      Sánchez Lavega, Agustín; García Melendo, Enrique José; Legarreta, Jon J.; Hueso, Ricardo; del Rio Gaztelurrutia, Teresa; Sanz-Requena, Jose Francisco; Pérez Hoyos, Santiago; Simon, Amy A.; Wong, Michael; Soria Guerrero, Manel; Gómez Forrellad, Josep Maria; Barry, Trevor; Delcroix, Marc; Sayanagi, Kunio; Blalock, J; Gunnarson, J. L.; Dyudina, Uliana; Ewald, S. (Springer Nature, 2019-10-21)
      Artículo
      Acceso abierto
      Saturn’s convective storms usually fall in two categories. One consists of mid-sized storms ~2,000¿km wide, appearing as irregular bright cloud systems that evolve rapidly, on scales of a few days. The other includes the ...

    • Analyzing the performance of a miniature 3D wind sensor for Mars 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel; Bermejo Broto, Sandra; Pons Nin, Joan (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-20)
      Artículo
      Acceso abierto
      This paper analyzes the behavior of a miniature 3D wind sensor designed for Mars atmosphere. The sensor is a spherical structure of 10 mm diameter divided in four sectors. By setting all the sectors to constant temperature, ...

    • Boundary layer flow control using synthetic jets on the flow over a NACA 0012 airfoil 

      Duran, David; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel; Lehmkuhl Barba, Oriol (2017)
      Texto en actas de congreso
      Acceso restringido por política de la editorial
      Numerical simulations of the flow control using a synthetic jet are presented. The flow considered is around a NACA 0012 airfoil at Re = 5000 and the actuator is located at 6% of the chord from the leading edge. This work ...

    • ³Cat-4 Mission: a 1-unit cubesat for earth observation with a L-band radiometer and a GNSS-reflectometer using software defined radio 

      Ruiz De Azúa Ortega, Juan Adrián; Muñoz Martin, Joan Francesc; Fernandez Capon, Lara Pilar; Badia Ballús, Marc; Llaveria Godoy, David; Diez Garcia, Carlos; Aguilella, Andrea; Pérez Portero, Adrián; Milián, O.; Sobrino Hidalgo, Marco; Navarro Trastoy, Ángel; Lleó, H.; Sureda Anfres, Miquel; Soria Guerrero, Manel; Calveras Augé, Anna M.; Camps Carmona, Adriano José (2019)
      Comunicación de congreso
      Acceso restringido por política de la editorial
      Global Navigation Satellite System Reflectometry and L-band microwave radiometry have been used for soil moisture, biomass, and cryosphere studies. Combining both technologies in a low-power and cost-effective solution ...

    • Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Rayleigh numbers up to 10(11) - Part I: Numerical methods and time-averaged flow 

      Trias Miquel, Francesc Xavier; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2010-01-31)
      Artículo
      Acceso restringido por política de la editorial
      A set of direct numerical simulations of a differentially heated cavity of aspect ratio 4 with adiabatic horizontal walls is presented. The five configurations selected here (Rayleigh numbers based on the cavity height ...

    • Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Rayleigh numbers up to 10(11) - Part II: Heat transfer and flow dynamics 

      Trias Miquel, Francesc Xavier; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2010-01-31)
      Artículo
      Acceso restringido por política de la editorial
      This is the second of a two-part paper on five direct numerical simulations of a differentially heated cavity of aspect ratio 4 with adiabatic horizontal walls (Rayleigh numbers based on the cavity height. The numerical ...

    • DNS of turbulent natural convection flows on the MareNostrum supercomputer 

      Trias Miquel, Francesc Xavier; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2009)
      Artículo
      Acceso restringido por política de la editorial
      A code for the direct numerical simulation (DNS) of incompressible turbulent flows that provides a fairly good scalability for a wide range of computer architectures has been developed. The spatial discretization of the ...

    • Exploring the performance of a miniature 3D wind sensor under extreme martian winds up to the dust devil scale 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Jiménez Serres, Vicente; Rodríguez Pérez, Ivette María; Soria Guerrero, Manel (2019)
      Texto en actas de congreso
      Acceso abierto
      The objective of this paper is to explore the performance of a miniature 3D spherical wind sensor for Mars atmosphere, working under extreme wind speeds, up to the Dust Devil scale. The experimental campaign has been made ...

    • Flow topology and heat transfer analysis of slotted and axisymmetric synthetic impinging jets 

      Miró Jané, Arnau; Soria Guerrero, Manel; Cajas García, Juan Carlos; Rodríguez Pérez, Ivette María; Moulinec, Charles (2021-06)
      Artículo
      Acceso restringido por política de la editorial
      This work is focused on exploring the flow and heat transfer capabilities for slotted and axisymmetric cavity configurations for synthetic impinging jets; the jet is enclosed between two isothermal parallel plates, impinging ...

    • Fluid dynamics and heat transfer in the wake of a sphere 

      Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gómez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2019-04)
      Artículo
      Acceso abierto
      Direct numerical simulation and large-eddy simulation have been performed for a heated sphere at Reynolds numbers of $Re=1000$ and $Re=10^4$, respectively. The Prandtl number for both simulations has been $Pr=0.7$. ...

    • FONAMENTS D' INFORMÀTICA (Examen 2n quadrimestre, 1r parcial) 

      Soria Guerrero, Manel (Universitat Politècnica de Catalunya, 2011-04-11)
      Examen
      Acceso restringido a la comunidad UPC

    • FONAMENTS D' INFORMÀTICA (Examen 2n quadrimestre, 1r parcial) 

      Soria Guerrero, Manel (Universitat Politècnica de Catalunya, 2011-04-11)
      Examen
      Acceso restringido a la comunidad UPC

    • From extruded-2D to fully-3D geometries for DNS: a multigrid-based extension of the Poisson solver 

      Gorobets, Andrei; Trias Miquel, Francesc Xavier; Soria Guerrero, Manel; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2010)
      Artículo
      Acceso restringido por política de la editorial
      Direct numerical simulation (DNS) of incompressible flows is an essential tool for improving the understanding of the physics of turbulence and for the development of better turbulence models. The Poisson equation, the ...

    • Heuristics of node selection criteria to assess robustness of world airport network 

      Soria Guerrero, Manel; Lordan González, Oriol; Sallán Leyes, José María (2017-06-14)
      Artículo
      Acceso abierto
      The world airport network (WAN) is one of the networked infrastructures that shape today's economic and social activity, so its resilience against incidents affecting the WAN is an important problem. In this paper, the ...

    • Hybrid MPI+OpenMP parallelization of a Navier-Stokes solver for large-scale DNS 

      Gorobets, Andrei; Trias Miquel, Francesc Xavier; Borrell Pol, Ricard; Soria Guerrero, Manel; Oliva Llena, Asensio (2011)
      Comunicación de congreso
      Acceso restringido por política de la editorial
      This work presents a parallel Navier-Stokes solver for the large-scale direct numerical simulation (DNS) of incompressible flows with one periodic direction. It is based on a scalable Poisson solver that combines an FFT ...

    • Hybrid MPI+OpenMP parallelization of an FFT-based 3D Poisson solver that can reach 100000 CPU cores 

      Gorobets, Andrei; Trias Miquel, Francesc Xavier; Borrell Pol, Ricard; Soria Guerrero, Manel; Oliva Llena, Asensio (2011)
      Texto en actas de congreso
      Acceso abierto
      This work is devoted to the development of efficient parallel algorithms for the direct numerical simulation (DNS) of incompressible flows on modern supercomputers. A Poisson solver for problems with one uniform periodic ...

    • Integrating the Science Opportunity Analyzer with a reusable opportunity search framework 

      Llopis, Marcel; Franch Gutiérrez, Javier; Soria Guerrero, Manel (American Institute of Aeronautics and Astronautics (AIAA), 2020)
      Texto en actas de congreso
      Acceso restringido por política de la editorial
      In our interactions with the Science Opportunity Analyzer (SOA) software, we recognized how its ability to search for geometric events in space is a need for robotic space missions in general. To satisfy this need, we ...

    • Interaction of Saturn’s Hexagon with convective storms 

      Sánchez Lavega, Agustín; García Melendo, Enrique José; del Rio Gaztelurrutia, Teresa; Hueso, Ricardo; Simon, Amy; Wong, Michael; Ahrens Velásquez, Kevin; Soria Guerrero, Manel; Barry, Trevor; Go, Christopher; Foster, Clyde (2021-04-26)
      Artículo
      Acceso restringido por política de la editorial
      In March 2020 a convective storm erupted at planetographic latitude 76°N in the southern flank of Saturn’s long-lived hexagonal wave. The storm reached a zonal size of 4,500 km and developed a tail extending zonally 33,000 ...

    • Jupiter’s Great Red Spot: strong interactions with incoming anticyclones in 2019 

      Sanchez Lavega, Agustin; Anguiano Arteaga, A; Iñurrigarro, Peio; García Melendo, Enrique José; Legarreta, Jon J.; Hueso, Ricardo; Sanz Requena, Jose Francisco; Perez Hoyos, Santiago; Mendikoa, Iñigo; Soria Guerrero, Manel; Rojas, Jose Félix; Andrés Carcasona, Marc; Prat Gasull, Arnau; Ordoñez Etxebarria, I; Rogers, John H; Foster, Clyde; Mizumoto, S; Casely, A; Hansen, C. J.; Orton, Glenn S.; Momary, T; Eichstädt, Gerald (Wiley, 2021-04)
      Artículo
      Acceso abierto
      Jupiter’s Great Red Spot (GRS), a giant anticyclone, is the largest and longest-lived of all the vortices observed in planetary atmospheres. During its history, the GRS has shrunk to half its size since 1879, and encountered ...

    • Large Eddy Simulation of airflow in a single family house 

      Mohan Damle, Rashmin; Soria Guerrero, Manel; Lehmkuhl Barba, Oriol; Colomer Rey, Guillem; Oliva Llena, Asensio (2010)
      Comunicación de congreso
      Acceso restringido por política de la editorial
      This work is addressed to contribute to the progress in the determination of indoor air flow in buildings. The air flow in such environments is caused by natural convection, stack and wind effects, infiltration of ambient ...