Browsing by Subject "Propulsion systems"

Now showing items 1-20 of 46

    • An acoustic technique for propellant gauging 

      Fili, Thomas; Quintana Buil, Guillem; González Cinca, Ricardo (2022)
      Conference report
      Restricted access - publisher's policy
      The gauging of propellants in upper stages or satellites in orbit is a challenging task due to the absence of buoyancy, which makes liquids and gases adopt a large variety of configurations. The new Spectral Mass Gauging ...

    • Analysis of local extinction of a n-heptane spray flame using large-eddy simulation with tabulated chemistry 

      Benajes, Jesús V.; García Oliver, José M; Pastor, José Manuel; Olmeda, I; Both, Ambrus; Mira Martínez, Daniel (Elsevier, 2021)
      Article
      Open Access
      This work is focused on the study of flame stabilization and local extinction of a spray flame in an atmospheric non-swirled test rig referred to as the CORIA Rouen Spray Burner. This burner shows a double reaction front ...

    • Análisis de la fundición y mecanizado de palas de hélices de paso controlable 

      Montoya Giraldo, Harrison Albeiro (Universitat Politècnica de Catalunya, 2016-11)
      Bachelor thesis
      Restricted access - author's decision

    • Asteroidal volatiles for the development of planetary outposts: the case of the Moon 

      Ibáñez Cuadal, Carlos (Universitat Politècnica de Catalunya, 2021-06-21)
      Master thesis
      Open Access
      The discovery of lunar ice in 1998 opened a whole variety of new perspectives for in-situ resource utilization of water on the Moon. However, more recent studies suggest that the amount of lunar ice is scarce. On the other ...

    • Attitude control of a solar sail 

      Vilchez Llamazares, Enol (Universitat Politècnica de Catalunya, 2018-02-13)
      Bachelor thesis
      Restricted access - author's decision
      Covenantee:   Politecnico di Milano
      This study focuses to find the most beneficial control of attitude of a Solar Sail situated in the L1 Lagrange point. Several controls will be implemented in this work to find the most suitable one. From the most generic ...

    • Design and performance analysis study of a Hall effect thruster 

      Monill González, Ricard (Universitat Politècnica de Catalunya, 2016-06-13)
      Bachelor thesis
      Open Access
      1. Introducció.2. Anàlisi de missió, incloent càlcul de trajectòries i/o maniobres orbitals típiques, amb un cert grau de detall.3. Justificació del motor d'efecte Hall com a sistema propulsor adequat per a la missió en ...

    • Design and test of the bus of a very small solar sail 

      Navarro Juarez, Victor (Universitat Politècnica de Catalunya, 2017-10-31)
      Bachelor thesis
      Open Access
      With the advance on technology field, aerospace systems have been evolving during the years. Tendency on reducing size, mass and cost by increasing the efficiency on different elements has opened a wide range of possibilities. ...

    • Design of a Hybrid Lunar-fueled Rocket 

      Díaz Quintairos, David (Universitat Politècnica de Catalunya, 2021-09-28)
      Master thesis
      Open Access
      Today, our calling to explore the universe is even greater than fifty years ago, this calls out for a new design in our propulsion systems in order to achieve a sustainable, reusable and Earth-conditions independent. Sixty ...

    • Design of a retractable, electric propulsion system for sailplanes 

      Jaron, Wojciech Damian (Universitat Politècnica de Catalunya, 2012-06-15)
      Master thesis
      Open Access
      The aim of this thesis was the design of a retractable, electric propulsion system for sailplanes, which could eliminate the main drawbacks of internal combustion engines. The design process was based on a number of ...

    • Design optimization of a small quadrotor's electrical propulsion system 

      Saadé Latorre, Eva (Universitat Politècnica de Catalunya, 2011-06-08)
      Master thesis
      Open Access
      This thesis presents an approach for the optimization of the propulsion system of an unmanned lightweight quadrotor by introducing rotor aerodynamics and identifying methods to improve the electrical propulsion system ...

    • Design, deployment mechanism, and thermal control of a very small solar sail 

      Pie Rubio, Carles (Universitat Politècnica de Catalunya, 2017-10-31)
      Bachelor thesis
      Open Access
      This document contains the design of a solar sail. Three main parts will be studied in this project: structural design, thermal design and deployment . The first one will be based in studying the different ...

    • Development of a CubeSat CLIMBing to the Van-Allen belt 

      Eschelmüller, V.; Stren, A.; Issa, M.; Bauer, J.; Goswami, A.; Vitztum, E.; Repän, K.; Treberspurg, W.; Scharlemann, C. (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      Based on its successful CubeSat mission PEGASUS, the University of Applied Sciences Wiener Neustadt (FHWN) is preparing its new CubeSat mission called CLIMB. CLIMB is a 3U CubeSat that will be launched to a low, circular ...

    • Development of a proof-of-concept space propulsion system for nano-satellite applications using additive manufacturing 

      Chia, Andy; Prabhu, Vinayak; Gan, An Zhi; Puah, Melvin; Lek, Vincent; Kiong, Teoh Woik; Thow, Vivian Shie (Universitat Politècnica de Catalunya, 2022-04-29)
      Conference lecture
      Open Access
      In this project, Additive Manufacturing techniques was used to develop a proof-of-concept space propulsion system for nanosatellite applications. The main propulsion unit is made up of a metallic structural housing that ...

    • Direct optimization of three-dimensional, low-thrust space trajectories with variable path constraints 

      Batet Farre, Adria (Universitat Politècnica de Catalunya, 2015-09-14)
      Bachelor thesis
      Open Access
      Covenantee:   Politecnico di Milano
      Low-thrust propulsion systems are growing in popularity for both Earth orbiting satellites and scientific spacecraft on interplanetary missions. This is thanks to the ability of these systems of traveling during more time ...

    • Diseño de un catamarán a vela de 68 pies propulsado con motorización híbrida para navegación oceánica 

      Munnikhuis Pujolar, Denis (Universitat Politècnica de Catalunya, 2022-10)
      Master thesis
      Open Access
      El presente trabajo trata sobre el diseño de una embarcación del tipo multicasco-velero con propulsión híbrido-eléctrica. Para la elaboración del diseño se seguirán los requisitos de proyecto dados por un armador ficticio. ...

    • [E-Project] Study of the propulsive system (propellers) of a light electric aircraft 

      Pericás Salom, Bartomeu (Universitat Politècnica de Catalunya, 2017-06-10)
      Bachelor thesis
      Restricted access - author's decision

    • Effect of operating variables on electrosprays for space propulsion 

      Caballero Pérez, Manel (Universitat Politècnica de Catalunya, 2021-07-13)
      Bachelor thesis
      Restricted access - author's decision
      Colloid electrospray thrusters are unique amongst electric thrusters due to their inherent scalability and the possibility of covering a broad range of Isp and thrust. The main research fronts are finding a suitable ...

    • Estudi d'un coet llançador per posar satèl·lits petits en òrbita baixa terrestre 

      Sarrate Nejjari, Nabil (Universitat Politècnica de Catalunya, 2023-10-17)
      Bachelor thesis
      Open Access
      En els pròxims anys es preveu un gran creixement de l’activitat espacial i, sobretot, en l’àmbit dels satèl·lits i els coets llançadors. La necessitat de posar en òrbita satèl·lits al menor preu possible serà la tendència ...

    • Estudi de les futures tecnologies de propulsió de l'automòbil 

      Truñó Cunill, Sergi (Universitat Politècnica de Catalunya, 2021-07-12)
      Bachelor thesis
      Restricted access - author's decision
      El sector de l'automoció afronta reptes d'enormes dimensions derivats del desconeixement. Com serà el món de l'automòbil en els futurs cinc anys? Actualment, el sector comença a accelerar una transició de la qual fa ...

    • Estudi d’una planta propulsora elèctrica d’enlairament per a aero-planejadors 

      Vallespí Fenollosa, Pol (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      Restricted access - author's decision
      This study is focused on the development of a battery pack for electric motor-glider applications. First of all, the state of the art shows the reader how developed are motor­glider and battery industries, by overviewing ...