Now showing items 1-20 of 22

  • An experimental study of ultrasonic vibration and the penetration of granular material 

    Firstbrook, David; Worrall, Kevin; Timoney, Ryan; Suñol Galofre, Francesc Xavier; Gao, Yang; Harkness, Patrick (2017-02-01)
    Article
    Open Access
    This work investigates the potential use of direct ultrasonic vibration as an aid to penetration of granular material. Compared with non-ultrasonic penetration, required forces have been observed to reduce by an order of ...
  • Bouncing of bubbles impacting at a free surface 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2009)
    Conference report
    Open Access
  • Bubbly jet impingement in different liquids 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010)
    Conference report
    Restricted access - author's decision
    An experimental setup for the study of bubbly jets collision in microgravity has been designed. On ground preliminary results are presented in order to be compared with those obtained in a near future in low gravity ...
  • Bubbly jet impingement in different liquids 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010-07-06)
    Article
    Restricted access - publisher's policy
    The impingement of bubbly jets in distilled water and ethanol has been experimentally studied on ground. An experimental apparatus for the study of jet impingement on ground and inmicrogravity has been designed. The ...
  • Design analysis of an experiment of bubble coalescence in microgravity 

    Suñol Galofre, Francesc Xavier; Pino, Ramón M.; Maldonado, O.; González Cinca, Ricardo (Universidad de Granada, 2007-03)
    Conference report
    Open Access
  • Droplet collisions after liquid jet breakup in microgravity conditions 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2011)
    Article
    Open Access
    The droplet dynamics and collisions after a liquid jet breakup have been experimentally studied in low gravity conditions. An experimental setup was designed in order to be used at the I.N.T.A. Drop Tower, which allows ...
  • Effects of gravity level on bubble formation and rise in low-viscosity liquids 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2015-05-15)
    Article
    Open Access
    We present an experimental analysis of the effects of gravity level on the formation and rise dynamics of bubbles. Experiments were carried out with millimeter-diameter bubbles in the hypergravity environment provided by ...
  • ESA - SYT 2011 - Final Report 

    Suñol Galofre, Francesc Xavier; Maldonado, Oscar; Vidal Arco, Eduardo; García, Anna; González Cinca, Ricardo (2011-12)
    External research report
    Restricted access - confidentiality agreement
    ESA - SYT 2011 - Final Report
  • Experimental analysis of bubble jets collision 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (Universite Libre de Bruxelles, 2008-09)
    Conference lecture
    Open Access
  • Experimental analysis of bubble jets collision 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2008)
    Conference report
    Open Access
  • Experimental setup for the study of jet interactions 

    Suñol Galofre, Francesc Xavier; Pino González, David; Maldonado, Oscar; González Cinca, Ricardo (2007)
    Conference lecture
    Open Access
    We present a new experimental setup for the study of bubble coalescence and bubble jet interactions in microgravity conditions [1].Test section consists of a cavity full of liquid containing two bubble injectors whose ...
  • Experimental setup for the study of jet interactions 

    Suñol Galofre, Francesc Xavier; Pino, Ramón M.; Maldonado, Oscar; González Cinca, Ricardo (Japan Aerospace Exploration Agency, 2007-10)
    Conference report
    Open Access
  • Experimental setup for the study of the effects of vibrations on multiphase systems in suborbital flights 

    Arias Calderón, Santiago; Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2011)
    Conference report
    Open Access
    We present an experimental setup for the study of the effects of controlled harmonic vibrations applied on multiphase systems in microgravity. This setup was recently launched onboard an ESA/DLR/SNSB Mini-Texus rocket with ...
  • Experimental study of bubbles behaviour 

    Suñol Galofre, Francesc Xavier; Pino, Ramón M.; Maldonado, Oscar; González Cinca, Ricardo (European Low Gravity Research Association (ELGRA), 2007-09)
    Conference report
    Open Access
  • Experimental study of water droplet collisions in low gravity 

    Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010)
    Conference report
    Open Access
    An experimental setup for the study of droplet collisions in a drop tower is presented.
  • 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
    Restricted access - publisher's policy
    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 ...
  • 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 ...
  • 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 ...