Now showing items 21-40 of 41

    • TEORIA DE CIRCUITS (Examen 1r Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2009-01-12)
      Exam
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    • TEORIA DE CIRCUITS (Examen 1r Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2006-01-20)
      Exam
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    • TEORIA DE CIRCUITS (Examen 1r Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2008-10-31)
      Exam
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    • TEORIA DE CIRCUITS (Examen 2n Quadr) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2006-06-12)
      Exam
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    • TEORIA DE CIRCUITS (Examen 2n Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2006-06-12)
      Exam
      Restricted access to the UPC academic community
    • TEORIA DE CIRCUITS (Examen 2n Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2006-04-07)
      Exam
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    • TEORIA DE CIRCUITS (Examen 2n Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2007-04-17)
      Exam
      Restricted access to the UPC academic community
    • TEORIA DE CIRCUITS (Examen 2n Quadr.) 

      March Nomen, Víctor (Universitat Politècnica de Catalunya, 2007-06-20)
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    • The 2007 objectives of the Eagle Nest Tower 

      Solà de las Fuentes, Glòria; Montañá Puig, Juan; Romero Durán, David; March Nomen, Víctor (2007)
      Conference lecture
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    • The influence of the voltage-time derivative in X-rays emission from laboratory sparks 

      March Nomen, Víctor; Montañá Puig, Juan (2010-08-23)
      Article
      Open Access
      X-ray produced by laboratory sparks in air at atmospheric pressure for rod-rod and rod-plane configurations were observed. A total of 585 sparks were applied with both polarities. The paper shows the effects of the voltage ...
    • Total lightning activity and electrostatic field in a hail-bearing thunderstorm in Catalonia 

      Montañá Puig, Juan; Pineda Rüegg, Nicolau; Soula, Serge; March Nomen, Víctor (2006)
      Conference lecture
      Restricted access - author's decision
      This paper presents the analysis of a hailstorm episode occurred in the city of Terrassa (Barcelona) Spain on the 10th July of 2005 (Figure 1.a)
    • Total lightning detections of lightning flashes recorded by means of high-speed videos 

      Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; March Nomen, Víctor; Solà de las Fuentes, Glòria; Pineda Ruegg, Nicolau (2011)
      Conference report
      Restricted access - author's decision
      A detailed analysis of two lightning flashes is presented. High speed video, total lightning detections and electric field measurements are the basis of the study. In general, the observed negative cloud-to-ground ...
    • Total lightning observations to wind turbines 

      Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; March Nomen, Víctor; Solà de las Fuentes, Glòria; Pineda Rüegg, Nicolau; Hermoso Alameda, Blas; Senosiáin Miquélez, Vicente (2012)
      Conference report
      Restricted access - publisher's policy
      In summer 2011 a new VHF Lightning Mapping Array was installed at the northeast of Spain. In that area a VHF interferometer and a VLFILF lightning detection networks are also operative. The close presence of wind farms in ...
    • Total lightning, electrostatic field and meteorological radar applied to lightning hazard warning 

      Montañá Puig, Juan; Aranguren Fino, Daniel; Pineda Rüegg, Nicolau; Solà de las Fuentes, Glòria; Romero Durán, David; March Nomen, Víctor (2008)
      Conference lecture
      Restricted access - author's decision
      This paper presents the analysis of various combinations of data sets with the purpose of evaluation of lightning warning methods. The data sets include CG flashes, IC sources, radar reflectivity and, for some specific ...
    • Two upward lightning at the Eagle Nest tower 

      Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; March Nomen, Víctor; Solà de las Fuentes, Glòria; Pineda Rüegg, Nicolau; Soula, Serge; Hermoso Alameda, Blas (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
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      A new instrument composed by a high speed camera, two high energy detectors, a E-field antenna and a VHF antenna were installed at the Eagle Nest tower (northeast of Spain) during summer 2011. With this equipment several ...
    • Two-years (2004-2005) of Safir evaluation in Catalonia 

      Montañá Puig, Juan; Pineda Rüegg, Nicolau; March Nomen, Víctor; Illa Arnau, Àngel; Romero Durán, David; Solà de las Fuentes, Glòria (2006)
      Conference lecture
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    • 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, Glòria; Freijo Álvarez, Modesto; Pineda Rüegg, Nicolau (Zakon Group, 2016)
      Conference report
      Open Access
      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, Glòria; Romero Durán, David (2014)
      Conference report
      Open Access
      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 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, Glòria; Romero Durán, David; Argemí Ribera, Oriol (2015-07-16)
      Article
      Open Access
      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 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, Glòria; Van der Velde, Oscar Arnoud (2012)
      Conference report
      Restricted access - publisher's policy
      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 ...