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ARC REGIME [1 record]
Record 1 - internal organization data 2001-08-16
Record 1, English
Record 1, Subject field(s)
- Electric Currents
- Optics
- Lamps
Record 1, Main entry term, English
- arc regime
1, record 1, English, arc%20regime
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
In the last decade many applications of non-thermal atmospheric discharges have been investigated for application in pollution control... Streamer like discharges like pulsed corona and dieletric barrier discharges as well as atmospheric glow discharges has been used. In all cases a transition to the spark regime or arc regime is prevented to keep the energy input limited to (fast) electrons instead of to neutral gas heating. 2, record 1, English, - arc%20regime
Record number: 1, Textual support number: 2 CONT
As the current and voltage increase, the cathode current density also increases, ultimately heating the cathode and causing incandescence and thermionic emission. Once the cathode is hot enough to emit electrons thermionically, the discharge will change to an arc regime. 3, record 1, English, - arc%20regime
Record 1, French
Record 1, Domaine(s)
- Courants (Électrocinétique)
- Optique
- Lampes
Record 1, Main entry term, French
- régime d'arc
1, record 1, French, r%C3%A9gime%20d%27arc
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Dessiccation de l'air. Il est indispensable que l'air d'alimentation de l'ozoneur soit très sec, en effet, du fait de la présence de vapeur d'eau, il se produit un abaissement de la valeur de la constante diélectrique du milieu gazeux, ce qui peut entraîner à la limite le passage du régime d'effluve à un régime d'arc, avec pour conséquence la détérioration plus ou moins rapide des électrodes. 2, record 1, French, - r%C3%A9gime%20d%27arc
Record number: 1, Textual support number: 2 CONT
Tubes électroniques. La décharge «luminescente» fournit un courant variant de quelques millièmes d'ampères à dix ampères sous quelques centaines de volts. Elle est utilisée notamment dans les tubes d'éclairage (tubes «fluorescents») et pour l'excitation de certains lasers (hélium-néon). On emploie souvent une cathode chaude qui réduit la tension et augmente le courant (thyratrons, valves à mercure). Le régime d'arc, sous quelques volts, fournit des courants pouvant atteindre des valeurs de l'ordre de 10³ A (tubes redresseurs industriels, ignitrons). 3, record 1, French, - r%C3%A9gime%20d%27arc
Record 1, Spanish
Record 1, Textual support, Spanish
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