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Ara es mostren els items 42-61 de 68

    • Oscillatory Instabilities in Directional Solidification with Solutal Convection. Transient Regime 

      Meca Álvarez, Esteban; Ramírez de la Piscina Millán, Laureano (2009-09-10)
      Comunicació de congrés
      Accés obert

    • Pattern and velocity selection of fronts propagating in modulated media 

      Armero, J.; Lacasta Palacio, Ana María; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Sancho, Jose Maria; Sagués Mestre, Francesc (EDP Sciences, 1996-02-01)
      Article
      Accés obert
      We study the problem of pattern and velocity selection of morphologically stable two-dimensional fronts propagating in a spatially modulated medium. The generic system is governed by a local equation and evolves towards a ...

    • Pattern formation during mesophase growth in a homologous series 

      Tóth Katona, T.; Börzsönyi, T.; Váradi, Z.; Szabon, J.; Buka, A.; González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Hernández-Machado, Aurora (American Physical Society, 1996-08-01)
      Article
      Accés restringit per política de l'editorial
      Remarkable differences in the shape of the nematic-smectic-B interface in a quasi-two-dimensional geometry have been experimentally observed in three liquid crystals of very similar molecular structure, i.e., neighboring ...

    • Pattern forming instabilities of the nematic smectic-B interface 

      Toth-Katona, T; Börzsönyi, T; Buka, A; González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt Viader, Jaume; Hernández-Manchado, A; Kramer, L (2000-10)
      Article
      Accés restringit per política de l'editorial
      Free growth properties of the smectic B liquid crystalline phase into the supercooled nematic have been investigated in quasi-two-dimensional geometry. Different orientation combinations of the two phases have been achieved ...

    • Percolation thresholds in chemical excitable media. 

      Sendiña-Nadal, I.; Roncaglia, D.; Vives, D.; Pérez Muñuzuri, Vicente; Gómez Gesteira, Moncho; Pérez Villar, Vicente; Echave, J.; Casademunt, Jaume; Ramírez de la Piscina Millán, Laureano; Sagués Mestre, Francesc (American Physical Society, 1998-08-31)
      Article
      Accés obert
      The behavior of chemical waves advancing through a disordered excitable medium is investigated in terms of percolation theory and autowave properties in the framework of the light-sensitive Belousov-Zhabotinsky reaction. ...

    • Periodic spiking by a pair of ionic channels 

      Ramírez de la Piscina Millán, Laureano; Sancho Herrero, José María (2018-09-01)
      Article
      Accés obert
      Neuronal cells present periodic trains of localized voltage spikes involving a large amount of different ionic channels. A relevant question is whether this is a cooperative effect or it could also be an intrinsic property ...

    • Phase field simulations and experiments of faceted growth in liquid crystals 

      González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Hernández-Machado, Aurora; Kramer, L.; Tóth Katona, T.; Börzsönyi, T.; Buka, A. (Elsevier Science, 1996-12-01)
      Article
      Accés restringit per política de l'editorial
      We present numerical simulations directed at the description of smectic-B germs growing into the supercooled nematic phase for two different liquid crystalline substances. The simulations are done by means of a phase-field ...

    • Phase-field models in interfacial pattern formation out of equilibrium 

      González Cinca, Ricardo; Folch, R.; Benítez Iglesias, Raúl; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Hernández-Machado, A. (NOVA, 2004-06)
      Capítol de llibre
      Accés obert

    • Physical properties of voltage gated pores 

      Ramírez de la Piscina Millán, Laureano; Sancho Herrero, José María (Springer, 2018-01-15)
      Article
      Accés obert
      Experiments on single ionic channels have contributed to a large extent to our current view on the function of cell membrane. In these experiments the main observables are the physical quantities: ionic concentration, ...

    • Problemas 

      Agea Tomás, José; Álvarez Casado, Enrique; Auguet Sangrá, Carlota E.; Castellví Gironès, Pedro Juan; Alva, Aleix; Echebarría Domínguez, Blas; Lacasta Palacio, Ana María; Niubó Eslava, Maria; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano; Rodríguez Cantalapiedra, Inma; Camí Babra, Enric (Universitat Politècnica de Catalunya, 2010-09)
      Problema, exercici
      Accés obert

    • Problemas de física aplicada I 

      Agea Tomás, José; Auguet Sangrá, Carlota E.; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Lacasta Palacio, Ana María; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano (Universitat Politècnica de Catalunya, 1996-09)
      Apunts / Problema, exercici
      Accés obert

    • Problemas de física aplicada II 

      Agea Tomás, José; Auguet Sangrá, Carlota E.; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Lacasta Palacio, Ana María; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano (Universitat Politècnica de Catalunya, 1997-02)
      Apunts / Problema, exercici
      Accés obert

    • Problemas de física aplicada. Enunciados y soluciones 

      Agea Tomás, José; Auguet Sangrá, Carlota E.; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Lacasta Palacio, Ana María; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano; Rodríguez Cantalapiedra, Inma (Universitat Politècnica de Catalunya, 2007-09)
      Problema, exercici
      Accés obert

    • Problemas de fundamentos de mecánica 

      Agea Tomás, José; Auguet Sangrá, Carlota E.; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Garrido, Víctor; Lacasta Palacio, Ana María; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano (Universitat Politècnica de Catalunya, 2009)
      Problema, exercici
      Accés obert

    • Problemas de fundamentos de mecánica. Enunciados i soluciones 

      Agea Tomás, José; Auguet Sangrá, Carlota E.; Camí Babra, Enric; Castellví Gironès, Pedro Juan; Garrido, Víctor; Lacasta Palacio, Ana María; Peñaranda Ayllón, Angelina; Ramírez de la Piscina Millán, Laureano; Rodríguez Cantalapiedra, Inma (Universitat Politècnica de Catalunya, 2007-09)
      Problema, exercici
      Accés obert

    • Recull d'exercicis amb solució 

      Ramírez de la Piscina Millán, Laureano; Lacasta Palacio, Ana María; Camí Babra, Enric; Auguet Sangrá, Carlota E.; Peñaranda Ayllón, Angelina; Castellví Gironès, Pedro Juan; Agea Tomás, José (Universitat Politècnica de Catalunya, 1997-03)
      Apunts / Problema, exercici
      Accés obert

    • Spatial structure and velocity fluctuations in turbulent bubble jets in microgravity 

      Bitlloch, Pau; Ruiz, Xavier; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume (2009)
      Text en actes de congrés
      Accés obert
      We study the dynamics of turbulent jets of bubbles created by the injection of a slug flow into a quiescent cavity, both theoretically and experimentally using data from drop tower experiments. The generated bubble jets ...

    • Speeding chemical reactions by focusing 

      Lacasta Palacio, Ana María; Ramírez de la Piscina Millán, Laureano; Sancho Herrero, José María; Lindenberg, Katja (2013-04-11)
      Article
      Accés obert
      We present numerical results for a chemical reaction of colloidal particles which are transported by a laminar fluid and are focused by periodic obstacles in such a way that the two components are well mixed and consequently ...

    • Stochastic Phase-Field simulations of symmetric alloy solidification 

      Benítez Iglesias, Raúl; Ramírez de la Piscina Millán, Laureano (2004-09)
      Article
      Accés obert
      We study initial transient stages in directional solidification by means of a non-variational phase field model with fluctuations. This model applies for the symmetric solidification of dilute binary solutions and does not ...

    • Temperatura i calor : teoria i problemes 

      Auguet Sangrá, Carlota E.; Camí Babra, Enric; Ramírez de la Piscina Millán, Laureano; Rodríguez Cantalapiedra, Inma (Edicions UPC, 1995)
      Llibre
      Accés restringit a la comunitat UPC
      En aquest text es presenta de forma conjunta, concisa i elemental, tant des de l'aspecte teòric com pràctic, efectes com les dilatacions que es produeixen en materials sotmesos a variacions de temperatura i les tensions o ...