Detail publikace

Generation of dc pin-hole discharges in liquids: comparison of discharge breakdown in diaphragm and capillary configuration

KOZÁKOVÁ, Z. KRČMA, F. VAŠÍČEK, M. HLAVATÁ, L. HLOCHOVÁ, L.

Originální název

Generation of dc pin-hole discharges in liquids: comparison of discharge breakdown in diaphragm and capillary configuration

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Electrical discharges in liquids can be generated in several electrode configurations; one of them is called as pin-hole. The discharge is created inside a small orifice in the dielectric barrier connecting two chambers filled by any conductive solution. Each chamber contains one electrode. Based on the orifice length/diameter ratio, the discharge is called as capillary or diaphragm. The present paper gives the first detailed observation of the dependence of discharge creation on the orifice shape for selected NaCl solution conductivities (250-1000 microS/cm). As a dielectric barrier, ceramic discs with thickness varying from 0.3 to 1.5 mm were used. Diameter of one central pin-hole was in the range of 0.25-1.00 mm. The non-pulsing DC high voltage up to 2 kV with power up to 300 W was used for the presented study. The bubble theory of the discharge generation was confirmed at the set conditions.

Klíčová slova

discharges in liquids, pin-hole discharge, electric measurements, bubble formation, pin-hole dimensions

Autoři

KOZÁKOVÁ, Z.; KRČMA, F.; VAŠÍČEK, M.; HLAVATÁ, L.; HLOCHOVÁ, L.

Rok RIV

2015

Vydáno

7. 4. 2015

ISSN

1434-6060

Periodikum

European Physical Journal D

Ročník

69

Číslo

4

Stát

Spolková republika Německo

Strany od

100-1

Strany do

100-9

Strany počet

9