Ara es mostren els items 45-64 de 79

    • Generation and dynamics of a micro-bubble jet in microgravity 

      Casademunt, Jaume; Carrera, Jordi; Bitlloch, P.; Arias Calderón, Santiago; Ruiz, Xavier; González Cinca, Ricardo; Preyer, M.; Ramírez de la Piscina Millán, Laureano (2007-03)
      Working paper
      Accés obert
    • 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
      Accés restringit per política de l'editorial
      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
      Accés restringit per política de l'editorial
      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 ...
    • Heat transfer management in propellant tanks 

      Quintana Buil, Guillem; González Cinca, Ricardo (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A critical issue in long-term space exploration missions is the storage and management of cryogenic propellants. Storage tanks are exposed to extreme temperatures and radiation, and hot spots might appear on the tank walls ...
    • 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
      Accés restringit per política de l'editorial
      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 ...
    • In-situ approach for thermal energy storage and thermoelectricity generation on the Moon: modelling and simulation 

      Fleith, Patrick; Cowley, Aidan; Canals Pou, Alberto; Valle Lozano, Aaron; Frank, Rebecca; López Córdoba, Pablo; González Cinca, Ricardo (2020-01)
      Article
      Accés obert
      Human, tele-operated rovers, and surface infrastructures are now being actively considered for lunar polarexploration. Current approaches to energy provision consider, among others, hybrid direct energy/chemicaltechnologies, ...
    • Integrated acoustic technology for boil-off control, mass gauging, and structural health monitoring in cryogenic fuel tanks 

      Quintana Buil, Guillem; Abecia Hernanz, Sara Cecilia; Mangram, William; Khasin, Michael; Chang, Fu Kuo; González Cinca, Ricardo (2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Long-term space exploration missions require efficient systems for cryogenic propellant storage and management. The exposure of the fuel tanks to the in-space operational environment implies the need for efficient technologies ...
    • 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
      Accés obert
      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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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
      Accés obert
      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 ...
    • Lunar ISRU energy storage and electricity generation 

      Fernández Palos, Mario; Serra, Pol; Fereres, Sonia; Stephenson, Keith; González Cinca, Ricardo (2020-05-01)
      Article
      Accés obert
      Fifty years after the first human step on the Moon, many challenges for its exploration have yet to be overcome. Among them, the survival of the crew and/or lunar assets during the lunar night is mandatory for long duration ...
    • Lunar ISRU Energy Storage and Electricity Generation 

      Fernández Palos, Mario; Serra, Pol; Fereres, Sonia; Stephenson, Keith; González Cinca, Ricardo (2020)
      Comunicació de congrés
      Accés obert
      The survival of the astronauts and their equipment is the priority for any long-term exploration mission to the Moon. The provision of energy during the long lunar nights is a critical part of these missions. Several ...
    • Microbubble injector: an experimental quantitative characterization 

      Arias Calderón, Santiago; Ruiz, Xavier; Casademunt, Jaume; Ramírez de la Piscina Millán, Laureano; González Cinca, Ricardo (2007)
      Text en actes de congrés
      Accés obert
    • Modelling and Simulation of the Primary Power Distribution of a Lunar Habitat 

      Fernández Palos, Mario; Cowley, Aidan; González Cinca, Ricardo (2019)
      Comunicació de congrés
      Accés obert
      A MATLAB/Simulink model of the Primary Power Distribution System of a lunar habitat is presented. The model can be adapted to multiple scenarios, and is able to interface with computer models of other habitat subsystems. ...
    • Numerical simulation of bubble generation in a T-junction 

      Arias Calderón, Santiago; Legendre, Dominique; González Cinca, Ricardo (2011)
      Text en actes de congrés
      Accés obert
    • Numerical study of bubble dynamics with the Boundary Element Method 

      Méndez, Num; González Cinca, Ricardo (2011)
      Article
      Accés obert
      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)
      Comunicació de congrés
      Accés obert
    • On ground study of bubble jets collision 

      Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2008)
      Text en actes de congrés
      Accés obert
      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
      Accés obert
      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
      Accés restringit per política de l'editorial
      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 ...