Ara es mostren els items 20-24 de 24

  • Winter lightning activity in specific global regions and implications to wind turbines and tall structures 

    March Nomen, Víctor; Montañá Puig, Juan; Fabró Tàpia, Ferran; Van der Velde, Oscar Arnoud; Romero Durán, David; Solà de Las Fuentes, Gloria; Freijo Álvarez, Modesto; Pineda Rüegg, Nicolau (Zakon Group, 2016)
    Text en actes de congrés
    Accés obert
    The paper presents winter lightning maps on specific regions in the northern hemisphere. Four different degrees of winter lightning activity are defined based on information derived from Japanese case. Based on this reference ...
  • X-rays and microwave RF power from high voltage laboratory sparks 

    Montañá Puig, Juan; Fabró Tàpia, Ferran; March Nomen, Víctor; Van der Velde, Oscar Arnoud; Solà de Las Fuentes, Gloria; Romero Durán, David; Argemí Ribera, Oriol (2015-07-16)
    Article
    Accés obert
    Lightning flashes involve high energy processes that still are not well understood. In the laboratory, high voltage pulses are used to produce long sparks in open air allowing the production of energetic radiation. In this ...
  • X-rays and microwave RF power from high voltage laboratory sparks 

    Montañá Puig, Juan; Fabró Tàpia, Ferran; March Nomen, Víctor; Van der Velde, Oscar Arnoud; Solà de Las Fuentes, Gloria; Romero Durán, David (2014)
    Text en actes de congrés
    Accés obert
    Lightning involves high energy processes that still are not well understood. In the laboratory voltages pulses are used to produce long sparks allowing the production of energetic radiation. In this paper X-rays emitted ...
  • X-rays from laboratory sparks in air: the relationship between runaway electrons and the electric field 

    March Nomen, Víctor; Montañá Puig, Juan; Romero Durán, David; Solà de Las Fuentes, Gloria; Van der Velde, Oscar Arnoud (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This article presents an experiment in which the gap distance was varied between 46 and 84 cm. Series of 15 voltage impulses were applied for each distance and different peak voltages with a rise time of 600 ns. The results ...
  • X-Rays from long laboratory sparks in air 

    Montañá Puig, Juan; March Nomen, Víctor; Kochkin, Pavlo (2016-07-01)
    Capítol de llibre
    Accés obert
    This collective book provides a review of research concentrated on runaway electron beams and X-rays in an inhomogeneous electric field with different gases at increased pressure. Attention is also given to supershort ...