{"title":"真空电弧中无冲击等离子体流动的电流上限","authors":"E. Gidalevich, S. Goldsmith, R. Boxman","doi":"10.1109/DEIV.2000.877302","DOIUrl":null,"url":null,"abstract":"The cathode plasma jet deceleration caused by interaction with a secondary ion cushion at the anode is analyzed. The secondary ions are assumed to be sputtered or/and reflected from the copper anode. It was found that for an inter-electrode gap of L=2 cm, and a secondary ion velocity of 10/sup 3/ m/s, there is no upper limit for the current density for continuous jet motion. For secondary ion velocities <0.25/spl times/10/sup 3/ m/s, the upper limit is 10/sup 5/ A/m/sup 2/.","PeriodicalId":429452,"journal":{"name":"Proceedings ISDEIV. 19th International Symposium on Discharges and Electrical Insulation in Vacuum (Cat. No.00CH37041)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"An upper limit for the electric current for shock-free plasma flow in a vacuum arc\",\"authors\":\"E. Gidalevich, S. Goldsmith, R. Boxman\",\"doi\":\"10.1109/DEIV.2000.877302\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The cathode plasma jet deceleration caused by interaction with a secondary ion cushion at the anode is analyzed. The secondary ions are assumed to be sputtered or/and reflected from the copper anode. It was found that for an inter-electrode gap of L=2 cm, and a secondary ion velocity of 10/sup 3/ m/s, there is no upper limit for the current density for continuous jet motion. For secondary ion velocities <0.25/spl times/10/sup 3/ m/s, the upper limit is 10/sup 5/ A/m/sup 2/.\",\"PeriodicalId\":429452,\"journal\":{\"name\":\"Proceedings ISDEIV. 19th International Symposium on Discharges and Electrical Insulation in Vacuum (Cat. No.00CH37041)\",\"volume\":\"23 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2000-09-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings ISDEIV. 19th International Symposium on Discharges and Electrical Insulation in Vacuum (Cat. No.00CH37041)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/DEIV.2000.877302\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings ISDEIV. 19th International Symposium on Discharges and Electrical Insulation in Vacuum (Cat. No.00CH37041)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DEIV.2000.877302","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
An upper limit for the electric current for shock-free plasma flow in a vacuum arc
The cathode plasma jet deceleration caused by interaction with a secondary ion cushion at the anode is analyzed. The secondary ions are assumed to be sputtered or/and reflected from the copper anode. It was found that for an inter-electrode gap of L=2 cm, and a secondary ion velocity of 10/sup 3/ m/s, there is no upper limit for the current density for continuous jet motion. For secondary ion velocities <0.25/spl times/10/sup 3/ m/s, the upper limit is 10/sup 5/ A/m/sup 2/.
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