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Simulation of electron interactions with liquid water and processes related to sub-nanosecond electrical breakdown

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F18%3A00498242" target="_blank" >RIV/61389021:_____/18:00498242 - isvavai.cz</a>

  • Result on the web

    <a href="http://ocs.ciemat.es/EPS2018PAP/pdf/O5.304.pdf" target="_blank" >http://ocs.ciemat.es/EPS2018PAP/pdf/O5.304.pdf</a>

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Simulation of electron interactions with liquid water and processes related to sub-nanosecond electrical breakdown

  • Original language description

    Sub-nanosecond electrical breakdown in dielectric liquids is of vital interest, e.g. for applicationsnin high-voltage insulation and high-current switching. Liquid dielectrics in strongnnonuniform electric fields are under influence of electrostrictive force that tends to move thenfluid into the regions with higher electric field. If the voltage rise is fast enough, the liquid doesnnot have enough time to be set into motion in order to reduce the internal stress. In this casenthe ponderomotive force induces significant stress in the bulk of the liquid which is manifestednas a negative pressure. At certain threshold, the negative pressure causes cavitation ruptures ofnthe fluid. Subsequently, free electrons can be produced by emission from the surface inside thencavity and accelerated to energies exceeding the energy for ionization of water and contributento ultrafast electrical breakdown of water.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10305 - Fluids and plasma physics (including surface physics)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    45th EPS Conference on Plasma Physics

  • ISBN

    979-10-96389-08-7

  • ISSN

  • e-ISSN

  • Number of pages

    4

  • Pages from-to

    1656-1659

  • Publisher name

    European Physical Society

  • Place of publication

    Mulhouse

  • Event location

    Praha

  • Event date

    Jul 2, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article