Cerca
Ara es mostren els items 1-10 de 21
Small scale simulation of lightning using vertical wires deployed by drones: on the land and sea peak current asymetry
(2022)
Text en actes de congrés.
Accés restringit per política de l'editorial
Text en actes de congrés.
Accés restringit per política de l'editorial
In this work we simulate lightning by means of vertical wires deployed by a multirotor drone under fair weather conditions. These wires, when isolated from ground, acquire an electric potential by virtue of electrostatic ...
LMA observations of upward lightning flashes at the Säntis Tower initiated by nearby lightning activity
(2020-04)
Article.
Accés obert
Article.
Accés obert
We present in this paper lightning current measurements, LMA (Lightning Mapping Array) data and fast antenna electric fields associated with upward flashes observed at the Säntis Tower during summer of 2017. The LMA network ...
Active learning based laboratory towards engineering education 4.0
(2019)
Text en actes de congrés.
Accés obert
Text en actes de congrés.
Accés obert
Universities have a relevant and essential key role to ensure knowledge and development of competencies in the current fourth industrial revolution called Industry 4.0. The Industry 4.0 promotes a set of digital technologies ...
Meteorological aspects of self-initiated upward lightning at the Säntis Tower (Switzerland)
(2019-12-26)
Article.
Accés obert
Article.
Accés obert
Interest in exploring the meteorological conditions favoring upward lightning from tall man-made structures has grown in recent years, largely due to the worldwide expansion of wind energy. To this end, instrumented towers ...
Valoración de los accidentes graves y mortales en las minas españolas entre los años 2013 y 2017
(2019-06-25)
Article.
Accés obert
Article.
Accés obert
La industria minera es considerada como una de las industrias más peligrosas. Hay la necesidad de una gestión eficaz de la salud y de la seguridad en el trabajo para salvaguardar a los trabajadores. El objetivo de este ...
High-energy radiation from natural lightning observed in coincidence with a VHF broadband interferometer
(2021-04-16)
Article.
Accés obert
Article.
Accés obert
This work presents the first simultaneous X-ray measurements from natural lightning in coincidence with a very high frequency (VHF) broadband interferometer. During an observational campaign in north-central Colombia, five ...
Polarimetric radar characteristics of lightning initiation and propagating channels
(2019-05-27)
Article.
Accés obert
Article.
Accés obert
In this paper we present an analysis of a large dataset of lightning and polarimetric weather radar data collected in the course of a lightning measurement campaign that took place in the summer of 2017 in the area surrounding ...
Analysis of the lightning production of convective cells
(2019-10-22)
Article.
Accés obert
Article.
Accés obert
This paper presents an analysis of the lightning production of convective cells. The cells were detected by the MeteoSwiss Thunderstorms Radar Tracking (TRT) algorithm in the course of a lightning measurement campaign that ...
Experimental study of the charge saturation levels of an aircraft with an active electrostatic charge control system
(2022)
Text en actes de congrés.
Accés restringit per política de l'editorial
Text en actes de congrés.
Accés restringit per política de l'editorial
Artificially charging an aircraft might reduce the risk of triggered-lightning. In this study, we explore the charging limits of an Unmanned Aerial Vehicle charged using an artificial electrostatic charge control system ...
Optical signatures associated with streamers and leaders of laboratory discharges
(2021-10-28)
Article.
Accés obert
Article.
Accés obert
This work investigates the strongest optical emissions associated with long laboratory sparks (at the wavelengths of 337 nm and 777 nm) with the aim to understand similar emissions in lightning. The processes of the ...