Ara es mostren els items 1-20 de 46

  • Analysis of energetic radiation associated with thunderstorms in the Ebro delta region in Spain 

    Fabró Tàpia, Ferran; Montañá Puig, Juan; Pineda Rüegg, Nicolau; Argemí Ribera, Oriol; Van der Velde, Oscar Arnoud; Romero Durán, David; Soula, Serge (2016-08-25)
    Article
    Accés obert
    The analysis of high-energy background radiation (0.1 – 2 MeV) enhancements during eight winter thunderstorms and ¿ve summer storms in the Ebro delta region in the northeast of Spain is presented. For the ¿rst time, ...
  • Analysis of the altitude of the isotherns and the electrical charge for flashes that struck the Gaisberg Tower 

    Montañá Puig, Juan; Soula, Serge; Diendorfer, Gergard; Solà de Las Fuentes, Gloria; Romero Durán, David (2007)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    The features of lightning flashes occurring on tall structures can give some valuable information about their initiation, especially the cases of upward flashes for lightning protection of tall structures such as ...
  • A propagative model for simulations of electric fields produced by downward leaders 

    Hermoso Costa, Juan Ramón; Montañá Puig, Juan; March Nomen, Víctor; Van der Velde, Oscar Arnoud; Solà de Las Fuentes, Gloria; Romero Durán, David; Hermoso Alameda, Blas; Pineda Ruegg, Nicolau (2012-07-13)
    Article
    Accés obert
    Comparisons of simulated downward negative leaders with experimental measurements are presented in this paper. In order to simplify, the leaders are considered to progress vertically and charge distributions and leader ...
  • A propagative model for simulations of electric fields produced by downward leaders 

    Hermoso Costa, Juan Ramón; Montañá Puig, Juan; March Nomen, Víctor; Romero Durán, David; Solà de Las Fuentes, Gloria; Van der Velde, Oscar Arnoud (2010)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    This paper presents simulations of a downward negative leaders performed by means of 3D finite element method (FEM). The leaders are considered do progress vertically leaders in which different charge distributions and ...
  • 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)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    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 ...
  • Basic lightning flash properties derived from lightning mapping array data 

    Montañá Puig, Juan; Pineda Ruegg, Nicolau; Van der Velde, Oscar Arnoud; Solà de Las Fuentes, Gloria; Argemí Ribera, Oriol; Fabró Tàpia, Ferran; Romero Durán, David; Aranguren Fino, Daniel (2016)
    Text en actes de congrés
    Accés obert
    The size and duration of lightning flashes are examined. Data from the Ebro Valley Laboratory Lightning Mapping Array is used as reference. Additional data from the VLF/LF LINET network is included. In the analysis, each ...
  • Behaviour of the windmill under lightning strikes including nonlinear grounding system 

    Montañá Puig, Juan; Candela Garolera, Anna; Romero Durán, David (2004)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
    The grounding behaviour is a critical aspect in a windmill lightning protection system because can appear sparks due to a higher surge and damage parts of the windmill [1][2]. This paper proposes a model to a lightning ...
  • Comparison between high-speed video recordings of lightning and the detections of the Catalan Lightning Location Network (XDDE) 

    Montañá Puig, Juan; Pineda Ruegg, Nicolau; Solà de Las Fuentes, Gloria; Van der Velde, Oscar Arnoud; Romero Durán, David; Aranguren Fino, Daniel (2010)
    Comunicació de congrés
    Accés obert
    Lightning detections of the Catalan Lightning Location Network (XDDE) are compared with high speed video recordings carried out in Spain during summer 2009. At that time the XDDE was composed by four sensors: two SAFIR 3000 ...
  • El delta de l’Ebre: mirador privilegiat per a l’observació de llamps i d’altres fenòmens elèctrics 

    Pineda Ruegg, Nicolau; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David (2012-06-27)
    Article
    Accés obert
    El delta de l’Ebre presenta les característiques idònies per ser un gran laboratori a l’aire lliure per a l’observació de llamps i d’altres fenòmens elèctrics, que tenen lloc per sobre dels núvols de tempesta. Aquests ...
  • Experimental determination of potential distribution on a CFRP laminate and thermal images of DC and impulse currents: evaluation of connections 

    Montañá Puig, Juan; Romero Durán, David; López Escutaro, Ricardo; Tobella, Guillem (2015)
    Text en actes de congrés
    Accés obert
    Carbon Fiber Reinforced Plastic (CFRP) components are commonly present in new generation of wind turbine blades and aircraft. CFRP components are preferred for its good mechanical strength and low weight. However, CFRP is ...
  • Fair weather induced charges and currents on tall wind turbines and experiments with kites 

    López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Fabró Tàpia, Ferran; Romero Durán, David (Zakon Group, 2016)
    Text en actes de congrés
    Accés obert
    Earth’s atmospheric potential rapidly increases up to few tens of kilovolts below 200 m altitude. This potential drop will induce charge to tall objects at ground by virtue of electrostatic induction. In this work we ...
  • Fast current impulse test for wind-turbine blades 

    Hermoso Costa, Juan Ramón; Montañá Puig, Juan; Clapers, Pere; Hermoso Alameda, Blas; March Nomen, Víctor; Solà de Las Fuentes, Gloria; Illa Arnau, Àngel; Romero Durán, David; Aranguren Fino, Daniel (2008)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
  • First data of the Colombia Lightning Mapping Array - COLMA 

    López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; Aranguren Fino, Harby Daniel; Torres Sanchez, Horacio; Taborda, John; Martínez, Joaquin (Zakon Group, 2016)
    Text en actes de congrés
    Accés obert
    The first data set of VHF lightning mapping using a Lightning Mapping Array system - LMA in a tropical region is presented in this paper. Six sensors were installed at the north of Colombia near Santa Marta city. Since ...
  • Global distribution of winter lightning: a threat to wind turbines and aircraft 

    Montañá Puig, Juan; Fabró Tàpia, Ferran; Van der Velde, Oscar Arnoud; March Nomen, Víctor; Williams, Earle R.; Pineda Ruegg, Nicolau; Romero Durán, David; Solà de Las Fuentes, Gloria; Freijo Álvarez, Modesto (2016-01-01)
    Article
    Accés obert
    Lightning is one of the major threats to multi-megawatt wind turbines and a concern for modern aircraft due to the use of lightweight composite materials. Both wind turbines and aircraft can initiate lightning, and very ...
  • High altitude leaders mapped by the Colombia lightning mapping array 

    Montañá Puig, Juan; López Trujillo, Jesús Alberto; Van der Velde, Oscar Arnoud; Romero Durán, David; Fabró Tàpia, Ferran (2016)
    Text en actes de congrés
    Accés obert
    On April 2015 a Lightning Mapping Array network (COL-LMA) was installed at the north of Colombia. This network provides 3D mapping of the development of lightning leaders. For the first time such network has been setup in ...
  • High-speed observations of transient luminous events and lightning (The 2008/2009 Ebro Valley campaign) 

    Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Soula, Serge; Romero Durán, David; Pineda Ruegg, Nicolau; Solà de Las Fuentes, Gloria; March Nomen, Víctor (2010)
    Comunicació de congrés
    Accés restringit per decisió de l'autor
  • High-speed video of lightning and x-ray pulses during the 2009–2010 observation campaigns in northeastern Spain 

    Montañá Puig, Juan; Van der Velde, Oscar Arnoud; March Nomen, Víctor; Romero Durán, David; Solà de Las Fuentes, Gloria; Pineda Ruegg, Nicolau (2012-11-01)
    Article
    Accés restringit per política de l'editorial
    This paper summarizes results obtained by the 2009–2010 field campaigns conducted in northeastern Spain using a high speed camera, VHF interferometer, VLF lightning location system and scintillation detectors for energetic ...
  • High-speed video recordings of lightning, electric fields and high-energy detections during thunderstorms in Catalonia Spain 

    Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; Pineda Ruegg, Nicolau; Betz, H.D.; March Nomen, Víctor; Solà de Las Fuentes, Gloria (2010)
    Comunicació de congrés
    Accés obert
    High-speed video recordings of natural lightning flashes show amazing details of this phenomenon. The paper summarizes the results of the 2009 measurement campaign where the combination of electric fields, total ...
  • Integració de competències genèriques a les titulacions de Grau de l’Escola d'Enginyeria de Terrassa (EET) a través de les TIC: comunicació eficaç oral i escrita, tercera llengua i treball en grup 

    Masip Álvarez, Albert; Hervada Sala, Carme; Pàmies Gómez, Teresa; Arias Pujol, Antoni; Jaen Fernandez, Carles; Rodríguez Sorigué, M. Cristina; Romero Durán, David; Nejjari Akhi-Elarab, Fatiha; Álvarez del Castillo, Ma. Dolores (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Text en actes de congrés / Comunicació de congrés
    Accés obert
    S'ha equipat una sala de la Biblioteca del Campus de Terrassa, BCT, com a estudi d'enregistrament de vídeos. Els estudiants poden reservar anticipadament una sessió d'enregistrament mitjançant una plataforma digital ...
  • Investigation of potential distribution on a CFRP coupon under impulse current: test results and FDTD simulation 

    Romero Durán, David; Rey Fernández, José Antonio; Montañá Puig, Juan; Horta Bernús, Ricard; Tobella, Guillem (Zakon Group, 2016)
    Text en actes de congrés
    Accés obert
    CFRP is becoming in an important material for the future blades due to alternative renewable energy industry plans to increase the length of the blades. This work shows some analytical results about potential distribution ...