Enviaments recents

  • Automated analysis and statistics of lightning leader speed, local flash rates and electric charge structure in thunderstorms 

    Van der Velde, Oscar Arnoud; Montanya, Joan; López Trujillo, Jesús Alberto (2018)
    Comunicació de congrés
    Accés obert
    We introduce new methods for the analysis of complex three-dimensional lightning data produced by Lightning Mapping Arrays and illustrate them by cases of a mid-latitude severe weather producing thunderstorm and a tropical ...
  • Evolution of gigantic jets at high temporal and spatial resolution 

    Van der Velde, Oscar Arnoud; Montanya, Joan; López Trujillo, Jesús Alberto (2018)
    Comunicació de congrés
    Accés obert
    Gigantic Jets (GJ) are lightning discharges between the cloud and the lower ionosphere, which manifest as leaders at low altitude and transition to streamers as they rise in altitude. The evolution has never been imaged ...
  • Meteorological aspects of winter upward lightning from an instrumented tower in the Pyrenees 

    Pineda, Nicolau; Montanya, Joan; Romero Durán, David; Bech, Joan; González Lopez, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Text en actes de congrés
    Accés obert
    A case study of winter upward lightning is analysed. In particular, the study focuses on the meteorological aspects that favoured the triggering of upward lightning by an instrumented tower in the eastern Pyrenees. Starting ...
  • On the classification of self-triggered versus other-triggered lightning flashes 

    Sunjerga, A.; Mostajabi, A.; Pineda Rüegg, Nicolau; Romero Durán, David; Van der Velde, Oscar Arnoud; Montanya, Joan; Azadifar, M.; Rubinstein, M.; Diendorfer, Gergard (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Text en actes de congrés
    Accés obert
    We present in this paper lightning current measurements and LMA (Lightning Mapping Array) data associated with upward flashes observed at the Sàntis Tower during Summer 2017. The LMA network consists of six stations located ...
  • The 2018 revision of the standard IEC 61400-24 : lightning protection of wind turbines 

    Mendez, Y.; Birkl, J.; Madsen, S.; Montañá Puig, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Text en actes de congrés
    Accés obert
    The first edition of the standard IEC 61400-24, Wind Generator Systems-Part 24 Lightning Protection, was issued in June 2010, and the scope was to reflect the experiences and technical understanding of lightning protection ...
  • LMA observation of upward flashes at Säntis Tower: preliminary result 

    Mostajabi, A.; Pineda Rüegg, Nicolau; Romero Durán, David; Azadifar, M.; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Rubinstein, M.; Rachidi, F (2018)
    Text en actes de congrés
    Accés obert
    Lightning striking tall towers is mainly of the upward lightning type, which is characterized by the absence of a first return stroke and the presence of an initial continuous current (ICC) with or without superimposed ...
  • Estudio de mercado para la automatización del control de parámetros de seguridad en actividades subterráneas turísticas a través de tecnologías de la información y comunicación (TIC) 

    Sanmiquel Pera, Lluís; Parcerisa Duocastella, David; Alfonso Abella, María Pura; Oliva Moncunill, Josep; Vintró Sánchez, Carla; Freijo Álvarez, Modesto (2012)
    Comunicació de congrés
    Accés obert
    El presente trabajo se enmarca dentro de un proyecto europeo denominado Undersafe financiado por la Unión Europea en el 7th Framework Programme. Su objetivo es diseñar un sistema de monitoreo de cuevas y minas turísticas ...
  • Legislación de seguridad para minas y cuevas turísticas de la Unión Europea 

    Vintró Sánchez, Carla; Oliva Moncunill, Josep; Freijo Álvarez, Modesto; Sanmiquel Pera, Lluís; Parcerisa Duocastella, David; Alfonso Abella, María Pura; Mata Perelló, Josep Maria (2012)
    Comunicació de congrés
    Accés obert
    En este trabajo se presentan los principales resultados del estudio de normativa de seguridad para minas y cuevas turísticas de la Unión Europea (UE). Del conjunto de países donde existen minas y cuevas turísticas se han ...
  • The EDINSOST project. Training sustainability change agents in Spanish and Catalan Engineering Education. 

    Segalàs Coral, Jorge; Sánchez Carracedo, Fermín; Hernández Gómez, M. Angeles; Busquets Rubio, Pere; Tejedor Papell, Gemma; Horta Bernús, Ricard (2018)
    Text en actes de congrés
    Accés obert
  • Overview of lightning interaction and damages to wind turbines 

    Montañá Puig, Juan (2017)
    Text en actes de congrés
    Accés obert
    It is well known that tall structures such as telecommunication towers can be exposed to numerous lightning incidence. Wind turbines are in this group, but two particular characteristics distinguish wind turbines from the ...
  • High-resolution spectra of sprites and halos with GRASSP 

    Gordillo Vázquez, Francisco; Passas, Maria; Sánchez, Justo; Pérez Invernón, F. J.; Luque, Alejandro; Van der Velde, Oscar Arnoud; Montañá Puig, Juan (2017)
    Text en actes de congrés
    Accés obert
    The first and simultaneous spectroscopic campaigns of TLEs were carried out in the mid 1990s [1, 2], soon after the discovery of TLEs in 1989 [3]. These initial campaigns provided preliminary results on the optical emissions ...
  • Characteristics of lightning flashes generating dancing sprites above thunderstorms 

    Soula, Serge; Mlynarczyk, Janusz; Fullekrug, Martin; Georgis, J.-F.; Pineda Rüegg, Nicolau; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Fabró Tàpia, Ferran (2017)
    Comunicació de congrés
    Accés obert
    During the night of October 29-30, 2013, a low-light video camera at Pic du Midi (2877 m) in the French Pyrénées, recorded TLEs above a very active storm over the Mediterranean Sea. The minimum cloud top temperature reached ...

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