Now showing items 1-20 of 27

    • A communication-less control scheme for a variable air-gap wireless energy transfer system using current source resonant converter 

      Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; Rey López, Juan Manuel; Torres Martínez, Javier; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Restricted access - publisher's policy
      This paper presents a robust control method for wireless energy transfer systems using current source resonant converter without any communication network. The proposed control strategy is valid even for systems with ...
    • Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps 

      Momeneh, Arash; Castilla Fernández, Miguel; Moradi Ghahderijani, Mohammad; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2017-06-30)
      Article
      Open Access
      This study presents the analysis, design and implementation of a simple and cost-effective residential inductive contactless energy transfer system with multiple mobile clamps. The topology is based on the cascaded connection ...
    • Control method for wireless inductive energy transfer systems with relatively large air gap 

      Van Der Pijl, Frank F. A; Bauer, Pavol T.; Castilla Fernández, Miguel (IEEE Press. Institute of Electrical and Electronics Engineers, 2013)
      Article
      Restricted access - publisher's policy
      Recent improvements in semiconductor technology make efficient switching possible at higher frequencies, which benefits the application of wireless inductive energy transfer. However, a higher frequency does not alter ...
    • Cubiertas verdes y rehabilitación: procesos de participación y cooperación universidad empresa 

      Bosch González, Montserrat; Rodríguez Cantalapiedra, Inma; Lacasta Palacio, Ana María; Calvo, Lidia; Boleda Torrent, Martí (2018)
      Conference report
      Open Access
      Las cubiertas vegetales pueden aportar interesantes beneficios a la edificación existente: mejoras en el comportamiento térmico; propiedades acústicas; regulación de las aguas pluviales; y en clave ciudad, mejorar los ...
    • Development of a power flow model for the transmission network of the iberian peninsula 

      Alonso Pérez, Javier (Universitat Politècnica de Catalunya / Technishe Universität Berlin, 2015)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Technische Universität Berlin
      Over the last years, due to the increasing use of renewable energy, the typical way of producing and transporting electricity in Iberian Peninsula has changed. The way to produce energy has evolved from thermal and hydraulic ...
    • Estació de càrrega de drons 

      Shojaei Sola, David (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      El projecte consisteix en el disseny i simulació d’un ondulador, que genera un senyal amb freqüència suficient per a fer entrar en ressonància un tanc ressonantemissorcol·locat a laseva sortida.Gràcies a la part inductiva ...
    • Fertigstellung und Inbetriebnahme eines Versuchstands zur Vermessung experimenteller induktiver Batterieladesysteme 

      Vidal, Humbert (Universitat Politècnica de Catalunya, 2015)
      Master thesis
      Open Access
      Covenantee:   Karlsruher Institut für Technologie
      Within the framework of inductive technology, this master’s thesis represents the conclusion of several previous projects that pursuit a common objective, to design and develop an inductive wireless power transfer system ...
    • Fluid dynamics and heat transfer in the wake of a sphere 

      Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gómez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2019-04)
      Article
      Restricted access - publisher's policy
      Direct numerical simulation and large-eddy simulation have been performed for a heated sphere at Reynolds numbers of $Re=1000$ and $Re=10^4$, respectively. The Prandtl number for both simulations has been $Pr=0.7$. ...
    • Heat and Mass Transfer Technological Center 

      Oliva Llena, Asensio (Campus de Terrassa de la UPC, 2013-06-13)
      Conference report
      Open Access
    • Heat loss prediction of a confined premixed jet flame using a conjugate heat transfer approach 

      Gövert, S.; Mira, Daniel; Zavala-Ake, M.; Kok, J.B.W.; Vázquez, Mariano; Houzeaux, Guillaume (Elsevier, 2017-04)
      Article
      Open Access
      The presented work addresses the investigation of the heat loss of a confined turbulent jet flame in a lab-scale combustor using a conjugate-heat transfer approach and large-eddy simulation. The analysis includes the ...
    • Heat Transfer Effects on a Fully Premixed Methane Impinging Flame 

      Mira, Daniel; Zavala, Miguel; Avila, Matías; Owen, Herbert; Cajas García, Juan Carlos; Vázquez, Mariano; Houzeaux, Guillaume (Springer, 2016-01-09)
      Article
      Open Access
      A numerical assessment of different thermal conditions for an impinging flame configuration is investigated using large-eddy simulation. The cases of study correspond to a turbulent methane flame at equivalence ratio ER = ...
    • How localized are energy dissipation processes in nanoscale interactions? 

      Santos Hernández, Sergio; Barcons Xixons, Víctor; Verdaguer, Albert; Font Teixidó, Josep; Thomson, Neil H.; Chiesa, Mateo (2011-07-29)
      Article
      Open Access
      We describe fundamental energy dissipation in dynamic nanoscale processes in terms of the localization of the interactions. In this respect, the areal density of the energy dissipated and the effective area of interaction ...
    • Impact of mobile transmitter sources on radio frequency energy harvesting 

      Hernández Coarasa, Antonio (Universitat Politècnica de Catalunya, 2012-09-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Northeastern University
      [ANGLÈS] Wireless energy harvesting sensors networks constitute a new paradigm, where the motes deployed in the field are no longer constrained by the limited battery resource, but are able to recharge themselves through ...
    • MEMS technologies for energy harvesting 

      Domínguez Pumar, Manuel; Pons Nin, Joan; Chávez Domínguez, Juan Antonio (Springer, 2016-11-11)
      Part of book or chapter of book
      Open Access
      The objective of this chapter is to introduce the technology of Microelectromechanical Systems, MEMS, and their application to emerging energy harvesting devices. The chapter begins with a general introduction to the most ...
    • On freezing resistance of borehole heat exchangers 

      Erol, Selçuk; François, Bertrand (Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica, 2015-06-02)
      Conference report
      Open Access
    • Power reduction coordinated scheme for wind power plants connected with VSC-HVDC 

      Egea Álvarez, Agustí; Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2017-07-01)
      Article
      Open Access
      This article introduces a novel power coordination method for the operation under restricted conditions of offshore wind power plants connected with VSC-HVDC without the use of communications between converter stations. ...
    • Recuperated versus single-recuperator re-compressed supercritical CO2 Brayton power cycles for DEMO fusion reactor based on dual coolant lithium lead blanket 

      Linares, José Ignacio; Cantizano González, Alexis; Arenas, Eva; Moratilla, Beatriz Y.; Martin Palacios, Victor; Batet Miracle, Lluís (2017-12-01)
      Article
      Open Access
      The EUROfusion research program is currently exploring alternative solutions for a future fusion power plant with DEMO (DEMOnstration Power Plant) prototype. One of the most important issues arising from a dual coolant ...
    • Solvation dynamics in liquid water: 1: ultrafast energy fluxes 

      Rey Oriol, Rosendo; Hynes, James T. (2015-01-30)
      Article
      Open Access
      Solvation dynamics in liquid water is addressed via nonequilibrium energy-transfer pathways activated after a neutral atomic solute acquires a unit charge, either positive or negative. It is shown that the well-known ...
    • Solvation dynamics in liquid water: III: energy fluxes and structural changes 

      Rey Oriol, Rosendo; Hynes, James T. (2017-02-16)
      Article
      Open Access
      In previous installments it has been shown how a detailed analysis of energy fluxes induced by electronic excitation of a solute can provide a quantitative understanding of the dominant molecular energy flow channels ...
    • Solvation dynamics in water: 2. Energy fluxes on excited- and ground-state surfaces 

      Rey Oriol, Rosendo; Hynes, James T. (2016-11-03)
      Article
      Open Access
      This series’ first installment introduced an approach to solvation dynamics focused on expressing the emission frequency shift (following electronic excitation of, and resulting charge change or redistribution in, a solute) ...