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  • This contribution presents results obtained during the wide study focused on the generation of the diaphragm discharge in water solutions of electrolytes. As a DC non-pulsed high voltage was used for the discharge creation, two kinds of plasma streamers with different polarity were propagated on each side of the diaphragm. This dual character of the discharge as well as the thermal (bubble) theory of discharge ignition in water has been confirmed by records obtained with the fast digital camera. The discharge was initiated in bubbles of water vapour created in the pin-hole. Electrical measurements of voltage and current during the breakdown phenomena were also carried out and the influence of electrolyte kind and concentration (solution conductivity) on the discharge creation was studied. Increasing solution conductivity shifted the discharge breakdown to the lower voltage, however, it did not influence the total discharge power supplied into the reactor.
  • This contribution presents results obtained during the wide study focused on the generation of the diaphragm discharge in water solutions of electrolytes. As a DC non-pulsed high voltage was used for the discharge creation, two kinds of plasma streamers with different polarity were propagated on each side of the diaphragm. This dual character of the discharge as well as the thermal (bubble) theory of discharge ignition in water has been confirmed by records obtained with the fast digital camera. The discharge was initiated in bubbles of water vapour created in the pin-hole. Electrical measurements of voltage and current during the breakdown phenomena were also carried out and the influence of electrolyte kind and concentration (solution conductivity) on the discharge creation was studied. Increasing solution conductivity shifted the discharge breakdown to the lower voltage, however, it did not influence the total discharge power supplied into the reactor. (en)
  • Příspěvek prezentuje výsledky dosažené při studiu zaměřeném na generaci diafragmového výboje ve vodných roztocích elektrolytů. Jelikož se pro iniciaci výboje používá stejnosměrné nepulsní napětí, na každé straně diafragmy vznikají a k elektrodám dále propagují dva druhy plazmových kanálů s opačnou polaritou. Tento duální charakter výboje spolu s termální (bublinovou) teorií zapálení výboje ve vodě byl potvrzen na záznamu z vysokorychlostní digitální kamery. Výboj se inicioval v bublinách vodní páry, které se tvořily v otvoru diafragmy. Taktéž elektrická měření napětí a proudu během zapálení výboje byla uskutečněna a práce studovala vliv druhu elektrolytu a jeho koncentrace (vodivosti roztoku) na generaci výboje. Rostoucí vodivost roztoku posouvala zapálení výboje k nižšímu napětí, avšak vodivost neovlivňovala celkový výkon výboje dodávaný do reaktoru. (cs)
Title
  • Creation of DC diaphragm discharge in electrolytes
  • Creation of DC diaphragm discharge in electrolytes (en)
  • Vytvoření DC diafragmového výboje v elektrolytech (cs)
skos:prefLabel
  • Creation of DC diaphragm discharge in electrolytes
  • Creation of DC diaphragm discharge in electrolytes (en)
  • Vytvoření DC diafragmového výboje v elektrolytech (cs)
skos:notation
  • RIV/00216305:26310/07:PU68444!RIV08-GA0-26310___
http://linked.open.../vavai/riv/strany
  • 125-125
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GD202/03/H162), P(GP202/07/P371)
http://linked.open...vai/riv/dodaniDat
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  • 415249
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  • RIV/00216305:26310/07:PU68444
http://linked.open...riv/jazykVysledku
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  • diaphragm discharge, water treatment, discharge breakdown, solution properties (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [A1E7C71BBA07]
http://linked.open...v/mistoKonaniAkce
  • Praha
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  • Praha
http://linked.open...i/riv/nazevZdroje
  • International Conference on Phenomena in Ionized Gases - Book of Abstracts
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
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  • Aubrecht, Vladimír
  • Krčma, František
  • Stará, Zdenka
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
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  • Ústav fyziky plazmatu AV ČR
https://schema.org/isbn
  • 978-80-87026-00-7
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  • 26310
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