Exploració per tema "Bombolles"

Ara es mostren els items 41-60 de 75

    • Experimental characterization of a microbubble injector 

      Arias Calderón, Santiago; Ruiz, Xavier; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; González Cinca, Ricardo (2007-07)
      Text en actes de congrés
      Accés obert

    • Experimental setup for the study of jet interactions 

      Suñol Galofre, Francesc Xavier; Pino González, David; Maldonado, Oscar; González Cinca, Ricardo (2007)
      Comunicació de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert

    • 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)
      Text en actes de congrés
      Accés obert
      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 a microbubble injector for microgravity applications 

      Arias Calderón, Santiago; Ruiz, Xavier; Ramírez de la Piscina Millán, Laureano; Carrera, Jordi; Casademunt, Jaume; González Cinca, Ricardo (2007)
      Text en actes de congrés
      Accés obert

    • Experimental study of a microchannel bubble injector for microgravity applications 

      Arias Calderón, Santiago; Ruiz, X; Casademunt Viader, Jaume; Ramírez de la Piscina Millán, Laureano; González Cinca, Ricardo (2009-01)
      Article
      Accés restringit per política de l'editorial
      We perform a quantitative characterization of a microbubble injector in conditions relevant to microgravity. The injector pregenerates a slug flow by using a capillary T-junction, whose operation is robust to changes in ...

    • Experimental study of a microchannel bubble injector for microgravity applications 

      Arias Calderón, Santiago; Ruiz, Xavier; Casademunt, Jaume; Ramírez de la Piscina Millán, Laureano; González Cinca, Ricardo (Springer, 2008-07)
      Article
      Accés obert
      We perform a quantitative characterization of a microbubble injector in conditions relevant to microgravity. The injector pregenerates a slug flow by using a capillary T-junction, whose operation is robust to changes ...

    • 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)
      Text en actes de congrés
      Accés obert

    • Experimental study of diphasic flow during the injection stage of composite processing 

      Blanch Sánchez, Júlia (Universitat Politècnica de Catalunya, 2019-04-24)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   École polytechnique de Montréal
      The bubbles have been studied for 20 years. In the aeronautical sector, these bubbles appear during the injection for the creation in a composite material when the air is entrapped. For an aeronautical part certification, ...

    • Experimental study of inter-particle acoustic forces 

      Garcia Sabaté, Anna (Universitat Politècnica de Catalunya, 2011-07-11)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      When particles are under an acoustic field, they can undergo various acoustic forces. By finely tuning the transducer to emit at the resonance frequency, particles will quickly levitate and once in equilibrium, particles ...

    • First evidences of ionospheric plasma depletions observations using GNSS-R data from CYGNSS 

      Molina Ordóñez, Carlos; Camps Carmona, Adriano José (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-02)
      Article
      Accés obert
      At some frequencies, Earth’s ionosphere may significantly impact satellite communications, Global Navigation Satellite Systems (GNSS) positioning, and Earth Observation measurements. Due to the temporal and spatial variations ...

    • 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

    • Impact study of contact angle boundary conditions for CFD simulation of two-phase flow generation in a T-junction 

      Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2017)
      Comunicació de congrés
      Accés obert
      Gas – liquid two - phase flows dominated by capillary forces occur in countless modern industrial applications. Some examples can be found in normal gravity (mixing process, chemical reactions, ...

    • In the wake of bubbles: Velocity Field Measurement by PIV Technique 

      Conesa Palacios, Oscar (Universitat Politècnica de Catalunya / Institut National des Sciences Appliquées de Toulouse, 2010)
      Projecte/Treball Final de Carrera
      Accés obert
      In this paper, the PIV (Particle Image Velocimetry) non-intrusive technique is proposed to calculate the velocity field in the wake of a single bubble rising with a rectilinear path in a quiescent liquid. The aim of this ...

    • Influence of contact angle boundary condition on CFD simulation of T-Junction 

      Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2018-03-15)
      Article
      Accés obert
      In this work, we study the influence of the contact angle boundary condition on 3D CFD simulations of the bubble generation process occurring in a capillary T-junction. Numerical simulations have been performed with the ...

    • Measurment of the thermal performance of a Borehole Heat Exchanger while injecting air bubbles in the groundwater 

      Calzada i Oliveras, Eduard (Universitat Politècnica de Catalunya / Kungliga Tecniska Högskolan, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   KTH School of Industrial Engineering and Management
      The most common way to exchange heat with the ground in Ground Source Heat Pump (GSHP) applications is with borehole heat exchangers (energy col-lectors in vertical wells). These boreholes contain the pipe with the secondary ...

    • 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

    • Numerical and Experimental Study of the Squeezing-to-Dripping Transition in a T-Junction 

      Arias Calderón, Santiago; Villardi de Montlaur, Adeline de (2020-05-26)
      Article
      Accés obert
      In this work, we study the transition from squeezing to dripping during the formation of bubbles in a capillary T-junction in conditions relevant to microgravity. The junction is formed by two perpendicular cylinders of ...

    • Numerical simulation of bouncing of bubbles impacting at a free surface 

      Olivera Olivera, Sergio (Universitat Politècnica de Catalunya, 2012-05-11)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      This work aims to achieve numerical simulation of the bouncing of an air bubble immersed in a liquid when it reaches a free surface, as a continuation of experiments made in the Universitat Politècnica de Catalunya by ...

    • 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