Ara es mostren els items 21-40 de 47

    • Effects of applied magnetic field on IPG6-S, test-bed for an ABEP-based inductive plasma thruster (IPT) 

      Romano, Francesco; Herdrich, Georg; Binder, Tilman; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (Association Aéronautique et Astronautique de France, 2018)
      Text en actes de congrés
      Accés obert
      An atmosphere-breathing electric propulsion system (ABEP) captures the residual atmosphere of a planet and uses it as propellant for an electric thruster to counteract the drag. The system would theoretically allow orbiting ...
    • El ingenio (in)visible: Desde las pioneras en ingeniería hasta la actualidad 

      Salán Ballesteros, Maria Núria; Ferrer Balas, Dídac; Amante García, Beatriz; Sureda Anfres, Miquel (OmniaScience, 2019)
      Capítol de llibre
      Accés obert
      En la actualidad, hombres y mujeres accedemos a la formación en general, y a la universitaria en particular, aparentemente en paridad. Pero no en todos los ámbitos. Las titulaciones del ámbito de la tecnología muestran ...
    • Experimental Results from the Satellite for Orbital Aerodynamics Research (SOAR) Mission 

      Crisp, Nicholas H.; Macario Rojas, Alejandro; Roberts, Peter C.E; García-Almiñana, Daniel; Sureda Anfres, Miquel; Rodríguez Donaire, Silvia (International Astronautical Federation, 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Satellite for Orbital Aerodynamics Research (SOAR) is a 3U CubeSat that has been designed to investigate the aerodynamic performance of different materials and perform demonstrations of aerodynamic attitude control ...
    • Ground-based experimental facility for orbital aerodynamics research: design, construction and characterisation 

      Oiko, Vitor; Roberts, Peter C.E; Macario Rojas, Alejandro; García-Almiñana, Daniel; García Berenguer, Marina; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2020)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In very low Earth orbits (VLEO), below 450 km altitude, the aerodynamic properties of satellites are primarily determined by the flow regime, free molecular flow, and the interaction of atomic oxygen with the surfacesof ...
    • High-throughput microcapillary pump with efficient integrated low aspect ratio micropillars 

      Madadi, Hojjat; Casals Terré, Jasmina; Castilla López, Roberto; Sureda Anfres, Miquel (2013-12)
      Article
      Accés restringit per política de l'editorial
      Prediction and reduction of pressure drop and resistance flow in micropillar arrays are important for the design of microfluidic circuits used in different lab-on-a-chip and biomedical applications. In this work, a diamond ...
    • In situ particle zeta potential evaluation in electroosmotic flows from time-resolved microPIV measurements 

      Sureda Anfres, Miquel; Miller, Andrew; Diez, F. J. (2012-09-10)
      Article
      Accés restringit per política de l'editorial
      A time-resolved microPIV method is presented to measure in an EOF the particles zeta potential in situ during the transient start-up of a microdevice. The method resolves the electrophoretic velocity of fluoro-spheres used ...
    • In-orbit aerodynamic coefficient measurements using SOAR (Satellite for Orbital Aerodynamics Research) 

      Crisp, Nicholas H.; Roberts, Peter C.E; Livadiotti, Sabrina; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (2021-03)
      Article
      Accés obert
      The Satellite for Orbital Aerodynamics Research (SOAR) is a CubeSat mission, due to be launched in 2021, to investigate the interaction between different materials and the atmospheric flow regime in very low Earth orbits ...
    • Inductive Plasma Thruster (IPT) design for an Atmosphere-Breathing Electric Propulsion System (ABEP) 

      Romano, Francesco; Herdrich, Georg; Roberts, Peter C.E; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamic drag on the spacecraft, therefore an efficient propulsion system is required to extend the mission lifetime. One ...
    • Inductive Plasma Thruster (IPT) for an Atmosphere-Breathing Electric Propulsion System: design and set in operation 

      Romano, Francesco; Herdrich, Georg; Roberts, Peter C.E; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (2019)
      Text en actes de congrés
      Accés obert
      Challenging space missions include those at very low orbits, where the atmosphere is source of significant drag on a satellite. Therefore, an efficient dragcompensation propulsion system is required to extend the mission ...
    • El ingenio (in)visible: desde las pioneras en ingeniería hasta la actualidad 

      Salán Ballesteros, Maria Núria; Ferrer Balas, Dídac; Amante García, Beatriz; Sureda Anfres, Miquel (2019-03-06)
      Text en actes de congrés
      Accés obert
      En la actualidad, hombres y mujeres accedemos a la formación en general, y a la universitaria en particular, aparentemente en paridad. Pero no en todos los ámbitos. Las titulaciones del ámbito de la tecnología muestran ...
    • Intake design for an Atmosphere-Breathing Electric Propulsion system (ABEP) 

      Romano, Francesco; Espinosa-Orozco, J.; Pfeiffer, M.; Herdrichd, Georg H.; Crisp, Nicholas H.; Holmes, Brandon E.A.; Edmonson, Steve; Haigh, Sarah J.; Livadiotti, Sabrina; Macario Rojas, Alejandro; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (2021-10)
      Article
      Accés obert
      Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamic drag on the spacecraft. To extend the lifetime of such missions, an efficient propulsion system is required. One ...
    • Integració curricular d'assignatures per al disseny del nou màster d'enginyeria aeronàutica 

      García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel; Fajula, Anna; Castellblanque, Mariano; Colomer, Pere; Nualart, Pau; Mudarra López, Miguel; Casals, Miquel; Gassó Domingo, Santiago; Domènech, Josep Maria; Pérez, Luis Manuel; López, Lucía (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
      Text en actes de congrés / Comunicació de congrés
      Accés obert
      Aquest projecte ha implementat una prova pilot d’un pla transversal de coordinació de diferents assignatures (Projectes d’Enginyeria Aeronàutica (UPC-enginyeria aeronàutica), Direcció Estratègica (UPC-enginyeria ...
    • Investigation of Novel Drag-Reducing and Atomic Oxygen Resistant Materials in Very Low Earth Orbit using SOAR (Satellite for Orbital Aerodynamics Research) 

      Crisp, Nicholas H.; Macario Rojas, Alejandro; Roberts, Peter C.E; García-Almiñana, Daniel; García Berenguer, Marina; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Interest in operating spacecraft in very low Earth orbits (VLEO), those below approximately 450 km, is growing due to the numerous benefits offered by reducing altitude. For remote sensing and Earth observation applications, ...
    • KeyNote: DISCOVERER - Making commercial satellite operations in very low earth orbit a reality 

      Roberts, Peter C.E; Crisp, Nicholas H.; Romano, Francesco; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      DISCOVERER is a €5.7M European Commission funded Horizon 2020 project developing technologies to enable commercially-viable sustained-operation of satellites in very low Earth orbits. Why operate closer to the Earth? For ...
    • Las promesas de la nanotecnología 

      Sureda Anfres, Miquel; Casals Terré, Jasmina (Grupo Tecnipublicaciones, 2014-01)
      Article
      Accés restringit per política de l'editorial
      No cabe duda de que el camino que nos depara la nanotecnología es muy prometedor. Ropa de repelerá el agua, ordenadores quánticos, píldoras inteligentes o teléfonos móviles cargados con el calor humano. Todos estos desarrollos ...
    • Launch, Operations, and First Experimental Results of the Satellite for Orbital Aerodynamics Research (SOAR) 

      Crisp, Nicholas H.; Macario Rojas, Alejandro; Roberts, Peter C.E; Edmonson, Steve; Haigh, Sarah J.; Holmes, Brandon E.A.; Livadiotti, Sabrina; Oiko, Vitor; Smith, Katharine L.; Sinpetru, Luciana A.; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Satellite for Orbital Aerodynamics Research (SOAR) is a 3U CubeSat that has been designed to investigate the aerodynamic performance of different materials at low orbital altitudes. The spacecraft has been developed ...
    • Mission analysis of nanosatellite constellations with OpenSatKit 

      Sermanoukian Molina, Iván; Montilla Rodríguez, Lluís; González Díez, David; Sureda Anfres, Miquel; Mata Diaz, Jorge; Alins Delgado, Juan José (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      CubeSat reliability is still considered an obstacle due to the sizeable fail rates generally attributed to the dead-on-arrival cases and early subsystem malfunctions. Thus, as CubeSats' primary purpose moves from technological ...
    • On the exploitation of differential aerodynamic lift and drag as a means to control satellite formation flight 

      Traub, Constantin; Romano, Francesco; Binder, Tilman; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (springer-Verlag, 2019-05-27)
      Article
      Accés obert
      For a satellite formation to maintain its intended design despite present perturbations (formation keeping), to change the formation design (reconfiguration) or to perform a rendezvous maneuver, control forces need to be ...
    • Platform and system design study of a VLEO satellite platform using the IRS RF Helicon-based Plasma Thruster 

      Herdrich, Georg; Papavramidis, Konstantinos; Maier, Philipp; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      To achieve a feasible lifetime of several years, most satellites are deployed in orbits higher than 400 km. Drag of residual atmosphere causes a slow orbit decay, resulting in the deorbit of the spacecraft. However, e.g. ...
    • RF Helicon-based Inductive Plasma Thruster (IPT) Design for an Atmosphere-Breathing Electric Propulsion System (ABEP) 

      Romano, Francesco; Chan, Yung-An; Herdrich, Georg; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (2020-11)
      Article
      Accés obert
      Challenging space missions include those at very low altitudes, where the atmosphere is source of aerodynamicdrag on the spacecraft. To extend such missions lifetime, an efficient propulsion system is required. Onesolution ...