Exploració per tema "Microgravity"

Ara es mostren els items 1-20 de 66

    • 3D CFD analysis of generation of bubbles in a double T-junction mini-channel 

      Bakkali Abderrahaman, Amina (Universitat Politècnica de Catalunya, 2018-07-18)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Guo li Taiwan ke ji da xue
      The subject of two or multi-phase flows has become increasingly powerful and important in a wide variety of engineering systems. The aim of our project is to study the bubble generation of the water-air combination in a ...

    • A 3-axis stabilisation platform to improve experiment conditions in parabolic flights 

      Raman, Deepa Anantha; Comesaña Cuervo, Bruno; Jurcáková, Viktória; Busom Vidal, Arnau; Crouzet, Estelle; Eritja Olivella, Antoni; Gracia García-Lisbon, Juan; Kjellman, Rebecka; Suomela, Minka; Kuhn, Thomas; Laufer, René; Persson, Olle (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      There are different ways of providing free-fall conditions on Earth in order to test a component, perform an experiment or demonstrate equipment before it can be included in a space mission. One of these options is a ...

    • A sounding rocket experiment to control boiling by means of acoustic waves 

      Quintana Buil, Guillem; Garcia Sabaté, Anna; Batlle, Sergi; López, Gabriel; Sierra, Víctor; Casas Piedrafita, Óscar; González Cinca, Ricardo (2018-01-01)
      Article
      Accés obert
      One of the most critical issues when considering long-term space exploration missions is the management and storage of cryogenic propellants. The exposure of storage tanks to radiation and extreme temperatures implies the ...

    • A study of a monodisperse microbubble jet under microgravity conditions 

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

    • Acoustic effects on heat transfer on the ground and in microgravity conditions 

      Quintana Buil, Guillem; González Cinca, Ricardo (2021-10)
      Article
      Accés obert
      A critical issue in future long-term space exploration missions is the storage and management of cryogenic propellants. Storage tanks are exposed to extreme temperatures and radiation, which can generate hot spots on the ...

    • Active transmembrane drug transport in microgravity: A validation study using an ABC transporter model 

      Vaquer, Sergi; Cuyàs, Elisabet; Fenollosa i Artés, Felip; De la Torre Fornell, Rafael (2014-12-11)
      Article
      Accés obert
      Microgravity has been shown to influence the expression of ABC (ATP-Binding Cassette) transporters in bacteria, fungi and mammals, but also to modify the activity of certain cellular components with structural and functional ...

    • Aerobatic parabolic flights in Barcelona : review of research and educational activities 

      Pérez Poch, Antoni; Ventura González, Daniel (2019)
      Text en actes de congrés
      Accés obert
      We present an innovative method of performing parabolic flights with aerobatic single-engine planes. A parabolic platform has been stablished in Sabadell Airport (Barcelona, Spain) to provide an infraestructure ready to ...

    • Analysis of bubble management at different gravity levels by means of an acoustic field 

      Huber, Felix; Garcia Sabaté, Anna; Legendre, Dominique; González Cinca, Ricardo (2021-09)
      Article
      Accés obert
      Multiphase flows management is a major challenge in many space applications given the different gravity levels involved. While many of the numerical investigations of liquid-gas phenomena deal with the radial bubble behavior ...

    • Analysis of experimental data obtained at a sounding rocket campaign 

      Duarte Medina, Laura (Universitat Politècnica de Catalunya, 2010-05-19)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      An analysis of experimental data obtained in a sounding rocket campaign is presented. Data were obtained in the sounding rocket Rexus-V launch, as part of a student campaign organized by ESA (European Space Agency). We ...

    • Analysis of two-phase flows under microgravity (spatial) conditions using OpenFOAM 

      Moreno Tavira, Carlos (Universitat Politècnica de Catalunya, 2020-07-23)
      Treball Final de Grau
      Accés obert
      Two-phase flows have gained importance over the last years due to their multiple and useful applications in space systems. For example, two-phase flows are used in fuel cells micro-channel networks, in the fluid management ...

    • Artery in Microgravity (AIM): Assembly, integration, and testing for a student payload for the ISS 

      García Mozos, Luis; Saroya, Devonjit; Roelvink, Yannick; Santos D'Amore, Naël dos; Gabetti, Stefano; Galván Lobo, Jorge; Lobo, Catarina; Joshi, Mrunmayi; Penedo, Guilherme; Rodríguez Encinas, Jorge Alberto; Torta, Elena; Lee, Seungah; Laulan-Souilhac, Baptiste; Mouchel, Roman; Lustro, Sacha; Butin, Alexis; Campos, Mário Gabriel; Passoni, Laura; Avallone, Luigi; Alex, Abin (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      The Artery in Microgravity (AIM) project was the first experiment to be selected for the “Orbit Your Thesis!” programme of the European Space Agency Academy. It is a 2U cube experiment that will be operated in the International ...

    • Bubble and droplet flow phenomena at different gravity levels 

      Suñol Galofre, Francesc Xavier (Universitat Politècnica de Catalunya, 2011-07-19)
      Tesi
      Accés obert
      Two-phase flows are encountered in a wide range of applications both on-ground and in space. The dynamics of such flows in the absence of gravity is completely different from that in normal gravity due to the absence of ...

    • Bubble bouncing in a free surface 

      Emelie Toinon, Nantois (Universitat Politècnica de Catalunya, 2009-06-23)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      The bouncing and coalescence of bubbles in a free surface will be experimentally studied. Three liquids (distilled water, ethanol and a silicon oil) with different physical properties will be used. Results of bouncing in ...

    • Bubble dynamics in turbulent duct flows: Lattice-Boltzmann simulations and drop tower experiments 

      Bitlloch, Pau; Ruiz Martí, Xavier; Ramírez de la Piscina Millán, Laureano; Casademunt Viader, Jaume (2018-06-23)
      Article
      Accés obert
      Lattice-Boltzmann simulations of a turbulent duct flow have been carried out to obtain trajectories of passive tracers in the conditions of a series of microgravity experiments of turbulent bubble suspensions. The statistics ...

    • Bubbly jet impingement in different liquids 

      Suñol Galofre, Francesc Xavier; González Cinca, Ricardo (2010-07-06)
      Article
      Accés restringit per política de l'editorial
      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 ...

    • Can frozen sperm samples withstand being sent to space? Considering the creation of a sperm bank outside Earth 

      Boada Palà, Montserrat; Pérez Poch, Antoni; Ballester, Marta; Garcia, Silvia; Torner Ribé, Jordi; Brigos Hermida, Miguel Ángel; Alpiste Penalba, Francesc; Ventura González, Daniel (International Astronautical Federation, 2019)
      Text en actes de congrés
      Accés obert
      The aim of the research is to investigate the effects of microgravity exposure on the motility and vitality of human sperm. The likelihood of human reproduction in space relies heavily on the conditions in which human sperm ...

    • CFD study of two-phase flows in hypergravity conditions with OpenFOAM 

      Espinosa Miguel, Adrià (Universitat Politècnica de Catalunya, 2019-07-11)
      Treball Final de Grau
      Accés obert
      Avui en dia ens trobem a l’epoca m ` es important de l’espai i de l’aire, lo qual ha portat a ´ que la tecnologia s’hagi vist obligada a desenvolupar-se fins al punt de poder ser utilitzada en condicions gravitacionals que ...

    • Challenge-based learning and the Barcelona ZeroG Challenge: a space education case study 

      Pérez Poch, Antoni; Torner Ribé, Jordi; Ventura González, Daniel; González-Llamazares, Laura; Martí, Maria Josep; Pasquets, Rosa; Alpiste Penalba, Francesc; Brigos Hermida, Miguel Ángel; García Cuadrado, Gloria (2022)
      Comunicació de congrés
      Accés obert
      Challenge-Based Learining is a STEM Education methodology that has been used as a collaborative and hands-on approach to encourage students to put their knowledge in practice by addressing real-life problems. Space Education ...

    • Challenge-based learning and the Barcelona ZeroG Challenge: A space education case study 

      Pérez Poch, Antoni; Torner Ribé, Jordi; González Alonso, Daniel Ventura; González Llamazares, Laura; Josep Martí, Maria; Pasquets Pérez, Rosa Maria; Alpiste Penalba, Francesc; Brigos Hermida, Miguel Ángel; García Cuadrado, Gloria (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      Challenge-Based Learining is a STEM Education methodology that has been used as a collaborative and hands-on approach to encourage students to put their knowledge in practice by addressing real-life problems. Space Education ...

    • Characterization of a microbubble injector for applications in microgravity 

      Arias Calderón, Santiago; Ruiz, Xavier; Ramírez de la Piscina Millán, Laureano; Casademunt, Jaume; González Cinca, Ricardo (Université Libre de Bruxelles, 2007-04)
      Text en actes de congrés
      Accés obert