{"title":"JUST-T托卡马克等离子体柱形成初期的数值模拟","authors":"A. Barkalov, G. G. Gladush","doi":"10.1080/10519990701450616","DOIUrl":null,"url":null,"abstract":"In this paper, the stage of plasma column formation in the JUST-T tokamak is considered on the basis of a homogeneous model. The ionization, charge exchange, equilibration of temperatures between electrons and ions, radiation losses, Ohmic heating and additional heating are taken into account. With the use of electron cyclotron resonance heating, the breakdown voltage U br decreases from 30 to 16 V for P ECRH=300 kW and p=2 mPa. The additional ion cyclotron resonance heating is less effective; U br=20 V. The optimal conditions for overcoming the ionization radiation barrier were obtained for the JUST-T tokamak.","PeriodicalId":54600,"journal":{"name":"Plasma Devices and Operations","volume":"1 1","pages":"185 - 192"},"PeriodicalIF":0.0000,"publicationDate":"2007-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Numerical simulation of the initial stage of the plasma column formation in JUST-T tokamak\",\"authors\":\"A. Barkalov, G. G. Gladush\",\"doi\":\"10.1080/10519990701450616\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, the stage of plasma column formation in the JUST-T tokamak is considered on the basis of a homogeneous model. The ionization, charge exchange, equilibration of temperatures between electrons and ions, radiation losses, Ohmic heating and additional heating are taken into account. With the use of electron cyclotron resonance heating, the breakdown voltage U br decreases from 30 to 16 V for P ECRH=300 kW and p=2 mPa. The additional ion cyclotron resonance heating is less effective; U br=20 V. The optimal conditions for overcoming the ionization radiation barrier were obtained for the JUST-T tokamak.\",\"PeriodicalId\":54600,\"journal\":{\"name\":\"Plasma Devices and Operations\",\"volume\":\"1 1\",\"pages\":\"185 - 192\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-07-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Plasma Devices and Operations\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/10519990701450616\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Plasma Devices and Operations","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/10519990701450616","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Numerical simulation of the initial stage of the plasma column formation in JUST-T tokamak
In this paper, the stage of plasma column formation in the JUST-T tokamak is considered on the basis of a homogeneous model. The ionization, charge exchange, equilibration of temperatures between electrons and ions, radiation losses, Ohmic heating and additional heating are taken into account. With the use of electron cyclotron resonance heating, the breakdown voltage U br decreases from 30 to 16 V for P ECRH=300 kW and p=2 mPa. The additional ion cyclotron resonance heating is less effective; U br=20 V. The optimal conditions for overcoming the ionization radiation barrier were obtained for the JUST-T tokamak.
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