Ara es mostren els items 16-35 de 63

    • Demonstration of aerodynamic control manoeuvres in very low earth orbit using SOAR (Satellite for Orbital Aerodynamics Research) 

      Crisp, Nicholas H.; Livadiotti, Sabrina; Roberts, Peter C.E; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2019)
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      Aerodynamic forces have often been proposedas a possible means to perform a variety of different attitude and orbit control manoeuvres in very low Earth orbits including pointing control, constellation and formation ...
    • Design and development of a hyper-thermal atomic oxygen wind tunnel facility 

      Oiko, Vitor; Roberts, Peter C.E; Edmonson, Steve; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (Centre National d'Études Spatiales (CNES), 2018)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A hyper-thermal orbital aerodynamics test facility is described. The Rarefied Orbital Aerodynamics Research facility(ROAR)is a dedicated apparatus designedto simulate the atmospheric flow in very low Earth orbits(VLEO) to ...
    • Design of an intake and a thruster for an atmosphere-breathing electric propulsion system 

      Romano, Francesco; Herdrich, Georg; Chan, Yung-An; García-Almiñana, Daniel; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (2022-10)
      Article
      Accés obert
      Challenging space missions include those at very low altitudes, where the atmosphere is the source of aerodynamic drag on the spacecraft, that fnally defnes the mission’s lifetime, unless a way to compensate for it is ...
    • Development and analysis of novel mission scenarios based on Atmosphere-Breathing Electric Propulsion (ABEP) 

      Vaidya, Shreepali Sanjay; Traub, Constantin; Romano, Francesco; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Sureda Anfres, Miquel; García Berenguer, Marina (2022-10)
      Article
      Accés obert
      Operating satellites in Very Low Earth Orbit (VLEO) benefit the already expanding New Space industry in applications including Earth Observation and beyond. However, long-term operations at such low altitudes require ...
    • DISCOVERER - Radical Redesign of Earth Observation Satellites for Sustained Operation at Significantly Low Altitudes 

      Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; García-Almiñana, Daniel; Rodríguez Donaire, Silvia (2017)
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      DISCOVERER is a new 5.7 million Euro, 4.25 year Horizon 2020 funded project which aims to radically redesign Earth observation satellites for sustained operation at significantly lower altitudes. The satellite based Earth ...
    • DISCOVERER: Developing Technologies to Enable Commercial Satellite Operations in Very Low Earth Orbit 

      Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; García-Almiñana, Daniel; García Berenguer, Marina; Rodríguez Donaire, Silvia; Sureda Anfres, Miquel (International Astronautical Federation, 2020)
      Comunicació de congrés
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      The DISCOVERER project is developing technologies to enable commercially-viablesustained-operation of satellites in very low Earth orbitsfor communications and remote sensing applications. Operatingcloser to the surface ...
    • DISCOVERER: Final results and outcomes 

      Roberts, Peter C.E; Crisp, Nicholas H.; Edmonson, Steve; Arcos, Antonio; Herdrich, Georg; Skalden, Jonathan; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Macario Rojas, Alejandro; Smith, Katharine L.; Sureda Anfres, Miquel (International Astronautical Federation, 2022)
      Text en actes de congrés
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      The DISCOVERER project commenced in 2017 with the aim to advance the development of key technologies to enable the commercially viable, sustained operation of satellites in very low Earth orbits (VLEO). Funded by the ...
    • Disseny del pla de treball pel desenvolupament de la competència genèrica “Tercera Llengua” als nous graus d’enginyeria a l’ETSEIAT 

      Rodríguez Donaire, Silvia; García-Almiñana, Daniel (2010)
      Text en actes de congrés
      Accés obert
      El present article exposa el Pla de Treball que es durà a terme a l’Escola Tècnica Superior d’Enginyeries Industrial i Aeronàutica de Terrassa (ETSEIAT) durant l’any acadèmic 2009-2010 per poder incorporar la competència ...
    • e-Portfolio: a tool to assess university students' skills 

      Rodríguez Donaire, Silvia; Amante García, Beatriz; Oliver del Olmo, Sonia (2010)
      Article
      Accés obert
      The present article introduces the main qualitative and quantitative results obtained in a pilot study of eportfolio implementation in two different subjects offered in the Polytechnic University of Catalonia (Universitat ...
    • Early Results from the DISCOVERER Project 

      Roberts, Peter C.E; Crisp, Nicholas H.; Oiko, Vitor; Edmonson, Steve; Romano, Francesco; Rodríguez Donaire, Silvia; García-Almiñana, Daniel; Haigh, Sarah J.; Holmes, Brandon E.A.; Livadiotti, Sabrina; Sureda Anfres, Miquel (International Astronautical Federation, 2021)
      Text en actes de congrés
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      The use of very low Earth orbits (VLEO), for communications and remote sensing satellites, offers a number of significant payload and platform benefits. Imaging from these altitudes allows higher resolution or smaller ...
    • Earth Observation Technologies: Low-End-Market Disruptive Innovation 

      Rodríguez Donaire, Silvia; Sureda Anfres, Miquel; García-Almiñana, Daniel; Sierra, Eloi (IntechOpen, 2020-07)
      Capítol de llibre
      Accés obert
      After decades of traditional space businesses, the space paradigm is changing. New approaches to more efficient missions in terms of costs, design, and manufacturing processes are fostered. For instance, placing big ...
    • 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 ...
    • 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
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      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
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      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 ...
    • 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
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      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 ...
    • 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
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      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, ...