Now showing items 1-20 of 26

    • 2004 Electromagnetic fields measurement campaign 

      Montañá Puig, Juan (2005)
      Conference lecture
      Restricted access - author's decision
    • A simple method to estimate the return stroke current from close electric field measurements 

      Montañá Puig, Juan; Illa Arnau, Àngel; Hermoso Alameda, Blas; Romero Durán, David (2004)
      Conference lecture
      Restricted access - author's decision
      During summers 2003 and 2004 a measurement campaign was carried out over Catalonia (N-E of Spain). In these campaigns, lightning electrostatic field as well electric and magnetic fields were measured. This paper describes ...
    • Application of the boundary elements method to 3-d radiation problem 

      Abad, J.; Duffo Ubeda, Núria; Rius Casals, Juan Manuel; Cruellas Ibarz, Juan Carlos (. REED EXHIBITION COMPANIES, 1993)
      Conference report
      Open Access
      In order to analyze the electromagnetic fields generated by perfectly conducting bodies composed by interconnected wires and solid objects, whichever its geometry, the Boundary Element Method is applied. The basic formulation ...
    • Automatic BSS-based filtering of metallic interference in MEG recordings: definition and validation using simulated signals 

      Migliorelli Falcone, Carolina Mercedes; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; Nowak, Rafal; Russi Tintoré, Antonio (2015-05-27)
      Article
      Open Access
      Objective. One of the principal drawbacks of magnetoencephalography (MEG) is its high sensitivity to metallic artifacts, which come from implanted intracranial electrodes and dental ferromagnetic prosthesis and produce a ...
    • Càlcul i caracterització magnètica d’un imant polsant per a la font de llum de sincrotró ALBA 

      Hinojosa Arner, Manuel (Universitat Politècnica de Catalunya, 2014-10)
      Master thesis (pre-Bologna period)
      Open Access
      El sincrotró ALBA requereix d’un sistema format per dos imants dipolars polsants, coneguts com a pingers, per dur a terme mesures de la dinàmica no lineal dels electrons. Aquests electroimants han de produir camps magnètics, ...
    • Control system of a miniature 12 MeV race-track microtron 

      Koubychine Merkulov, Youri Alexandrovich; Blasco Argente, Vicente Pablo; Romero, Juan Antonio; Sánchez, Alexandre; Montoro López, Gabriel; Shvedunov, Vasiliy (2014)
      Conference lecture
      Open Access
      A simple control system has been developed for the commissioning of a compact 12 MeV race-track microtron which is under construction at the Technical University of Catalonia. It is of modular structure and is based ...
    • Design and magnetic measurements of the extraction magnet for 55 MeV race-track microtron 

      Ermakov, A.N.; Khankin, V.A; Koubychine Merkulov, Youri Alexandrovich; Pakhomov, N.I.; Rigla Perez, Juan Pablo; Shvedunov, V.I. (2011-04-01)
      External research report
      Open Access
      We describe results of optimization of the extraction magnet of a 55 MeV Race- Track Microtron (RTM). Because of small spacing between the RTM orbits special attention has been paid to optimization of magnetic screens ...
    • Direct identification of extended defects as vortex pinning centers in melt textured YBa2Cu3O7-Y2BaCuO5 composites 

      Puig, T.; Obradors i Berenguer, Francesc Xavier; Martínez, B.; Sandiumenge, F.; O'Callaghan Castellà, Juan Manuel; Rabier, J. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-06-30)
      Article
      Open Access
      Single domain YBa2Cu3O7-Y2BaCuO5 melt textured ceramic composites have revealed a very rich microstructure, which has usually impeded, by using standard measurements, to evaluate the contribution of each defect to the ...
    • El problema de Biot-Savart invers a partir de les derivades del camp magnètic 

      Garcia Iglesias, Oscar (Universitat Politècnica de Catalunya, 2021-11-01)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Estudi del camp magnètic de les línies d’alta tensió i la seva possible mitigació 

      Turró Comas, Guillem (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte neix amb la idea d’estudiar el camp magnètic generat per les línies d’alta tensió i trobar una manera que ajudi tan a calcular-lo com a mitigar-lo. L’objectiu principal és analitzar-lo i reduir-ne l’efecte, ...
    • Experimental studies in Spain related to CAL 

      Montañá Puig, Juan (2005)
      Conference lecture
      Restricted access - author's decision
      During last three summers a thunderstorm and lightning related electromagnetic fields measuring campaign were carried out over Catalonia (N-E of Spain). In these campaigns electric and magnetic fields were recorded under ...
    • Extracto 

      Lupón Bas, Núria (2008-12-01)
      Audiovisual
      Open Access
    • Ferrohydrodynamic capillary convection 

      Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2018-09-30)
      Article
      Restricted access - publisher's policy
      In this work consideration is given to capillary convection on ferrofluids owing to the concentration gradient generated when a non-homogeneous magnetic field is applied. It is known that mass transfer along an interface ...
    • Generació i control de camp magnètic en condicions de baix soroll i baixa freqüència 

      Baquero Roig, Pau (Universitat Politècnica de Catalunya, 2014-07-03)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] LISA and LISA Pathfinder missions demand that magnetic field meets low noise, low frequency conditions. Given Pathfinder's scientific requirments, this work wants to achieve a magnetic field with 1nt/sqrt(Hz) in ...
    • Generador de campo magnético pulsado 

      Ávila Abellán, José (Universitat Politècnica de Catalunya, 2015-06-16)
      Master thesis
      Open Access
      El estudio de los dominios magnéticos en remanencia en ciertos materiales después de aplicarles un campo magnético intenso es una de las líneas de investigación del laboratorio Mistral en el Sincrotrón Alba. La necesidad ...
    • Improvement of a magneto-active polymer pump 

      Cremades Rosell, Xavier (Universitat Politècnica de Catalunya, 2017-09)
      Bachelor thesis
      Open Access
      In this thesis, three coils are controlled and given a sinusoidal magnetic field in order to open and close a magneto-active polymer actuator which can work as a peristaltic pump. The thesis is divided in three parts: The ...
    • Influence of a magnetic field applied during the quenching process on the spin density and nanoscale structure of an amorphous Fe-B ribbon 

      Bonastre, J.; Suñol Martinez, Juan Jose; Bruna Escuer, Pere; Sato, K.; Santos, J.D.; Hernando, B. (2012-11-15)
      Article
      Restricted access - publisher's policy
      The application of a magnetic field to the melt in the transverse direction of the wheel rotation during the solidification process induces magnetic anisotropy in amorphous magnetic ribbons. This procedure is here applied ...
    • Investigation of the response of a ferrofluid in a surface crack under an applied magnetic field 

      Musterni Girbau, Gerard (Universitat Politècnica de Catalunya, 2014-10-06)
      Bachelor thesis
      Open Access
      Non-destructive testing (NDT) is of paramount importance in both the aerospace and general markets. Nowadays, several NDT techniques are available and widely recognised for inspection services. However, wide research is ...
    • Magnetic field sensitivity of variable thickness microbridges in tbcco, bscco and ybco. 

      Davidson, B. A.; Redwing, R. D.; Nguyen, T. D.; O'Callaghan Castellà, Juan Manuel; Raissi, F.; Lee, J. V.; Bruke, J. P.; Hohenwarter, G. K. G.; Nordman, J. E.; Beyer, J. B. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1994-12-31)
      Article
      Open Access
      We describe results of a study comparing the magnetic field sensitivities of variable thickness bridge (VTB) arrays fabricated in TBCCO, BSCCO, and YBCO thin films. Identical structures were patterned in a variety of films, ...
    • Magnetically tunable bidirectional locomotion of a self-assembled nanorod-sphere propeller 

      García Torres, José Manuel; Calero, Carles; Sagués Mestres, Francesc; Pagonabarraga, I.; Tierno, Prieto (2018-04-25)
      Article
      Open Access
      Field-driven direct assembly of nanoscale matter has impact in disparate fields of science. In microscale systems, such concept has been recently exploited to optimize propulsion in viscous fluids. Despite the great ...