Now showing items 41-60 of 61

  • Heat diffusion anisotropy in dendritic growth: phase field simulations and experiments in liquid crystals 

    González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt Viader, Jaume; Hernández Machado, Aurora; Toth-Katona, T; Börzsönyi, T; Buka, A (1998-10)
    Article
    Restricted access - publisher's policy
    An anisotropic heat diffusion coefficient is introduced in order to study some interfacial growth phenomena. This anisotropy has been incorporated in a phase field model which has been studied numerically to reproduce some ...
  • Heat storage and electricity generation in the Moon during the lunar night 

    Climent, Blai; Torroba, Oscar; González Cinca, Ricardo; Ramachandran, Narayanan; Griffin, Michael D. (2013-08-01)
    Article
    Restricted access - publisher's policy
    One of the biggest challenges of the exploration of the Moon is the survival of the crew and the lunar assets during the lunar night. The environmental conditions on the lunar surface and its cycle, with long periods of ...
  • Het diffusion anisotropy in dendritic growth: phase field simulations and experiments in liquid crystals 

    González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; Hernández Machado, A.; Toth-Katona, T.; Borzsonyi, T.; Buka, A. (Elsevier, 1998-10-15)
    Article
    Restricted access - publisher's policy
    An anisotropic heat diffusion coefficient is introduced in order to study some interfacial growth phenomena. This anisotropy has been incorporated in a phase field model which has been studied numerically to reproduce some ...
  • Liquid jet breakup and subsequent droplet dynamics under normal gravity and in microgravity conditions 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2015-07-28)
    Article
    Open Access
    We present an experimental study on the characteristics of liquid jets in different configurations. We consider jets injected perpendicular to gravity, jets injected parallel to gravity, and jets injected in a microgravity ...
  • Low gravity liquid jet collision patterns at moderate Weber numbers 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2015)
    Conference report
    Restricted access - publisher's policy
    Collisions between two cylindrical jets are encountered in a large variety of situations, from manufacturing and agriculture processes
  • Low Weber number jet collision regimes in microgravity 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2017-11-01)
    Article
    Open Access
    The outcome of the collision between two liquid jets depends on the liquid properties, jet velocity, and impact angle. So far studies on liquid jet impingement have been carried out in normal gravity conditions. In ...
  • Microbubble injector: an experimental quantitative characterization 

    Arias Calderón, Santiago; Ruiz, Xavier; Casademunt, Jaume; Ramírez de la Piscina Millán, Laureano; González Cinca, Ricardo (2007)
    Conference report
    Open Access
  • Numerical simulation of bubble generation in a T-junction 

    Arias Calderón, Santiago; Legendre, Dominique; González Cinca, Ricardo (2011)
    Conference report
    Open Access
  • Numerical study of bubble dynamics with the Boundary Element Method 

    Méndez, Num; González Cinca, Ricardo (2011)
    Article
    Open Access
    A new Boundary Element Method software for simulating bubble dynamics is presented. This tool allows us to simulate a wide variety of scenarios, including external acoustic fields and multiple bubble interaction. We present ...
  • Numerical study of the generation and dispersion of a bubble jet in microgravity 

    Bitlloch, Pau; Carrera, Jordi; Ruiz, Xavier; González Cinca, Ricardo; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume (International Astronautical Federation, 2006-10)
    Conference lecture
    Open Access
  • On ground study of bubble jets collision 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2008)
    Conference report
    Open Access
    Collisions of bubble jets have been experimentally studied in a normal gravity environment. Jets are introduced into a cavity full of liquid by means of a microbubble injector [1]. The experimental set-up, designed for ...
  • On the validity of Avrami formalism in primary crystallization 

    Bruna Escuer, Pere; Crespo Artiaga, Daniel; González Cinca, Ricardo; Pineda Soler, Eloi (American Institute of Physics, 2006-09-30)
    Article
    Open Access
    Calorimetric data of primary crystallization is usually interpreted in the framework of the Kolmogorov Dokl. Akad. Nauk SSSR 1, 355 1937 , Johnson and Mehl Trans. AIME 135, 416 1939 , and Avrami J. Chem. Phys. 7, ...
  • Opposed bubbly jets at different impact angles: jet structure and bubble properties 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010-08)
    Article
    Restricted access - publisher's policy
    The structure of two colliding water jets containing small gas bubbles is studied experimentally. The effects of the separation distance between jets, as well as the orientation angle, on the spatial distribution of ...
  • 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
    Restricted access - publisher's policy
    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
    Restricted access - publisher's policy
    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 ...
  • 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)
    Part of book or chapter of book
    Open Access
  • 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
    Restricted access - publisher's policy
    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 ...
  • Setup design and ground investigation for a microgravity experiment on bubble dynamics and coalescence 

    Suñol Galofre, Francesc Xavier; Pino, Ramón M.; Maldonado, Oscar; González Cinca, Ricardo (Université Libre de Bruxelles, 2007)
    Conference report
    Open Access
  • Simulación: un curso innovador en los estudios de Aeronáutica 

    Comellas Padró, Francesc de Paula; González Cinca, Ricardo; Santamaria Barnadas, Eduard (2009-12-01)
    Article
    Open Access
    Presentamos aquí una nueva metodología en la impartición de un curso de ciencias de la computación con énfasis particular en aspectos de dinámica de fluidos computacional (DFC) y las experiencias que se derivan de esta ...
  • Study of a system to generate electricity on the Moon's surface during the lunar night 

    Torroba, Oscar; Climent, Blai; González Cinca, Ricardo; Ramachandran, Narayanan; Griffin, Michael D. (2012)
    Conference report
    Restricted access - author's decision
    One of the biggest challenges of the exploration of the Moon is the survival of the crew and the lunar assets during the lunar night. The environmental conditions on the lunar surface and its cycle, with long periods of ...