{"title":"托卡马克无碰撞磁流体动力气胀模式分支的流体分析","authors":"H. Nordman, B. Jhowry, J. Weiland","doi":"10.1063/1.860874","DOIUrl":null,"url":null,"abstract":"The stability of electromagnetic ballooning modes is investigated using a toroidal two‐fluid model allowing for arbitrary Ln/LB (the characteristic scale lengths of density and magnetic‐field inhomogeneities). The ballooning mode equation is solved numerically and the two‐fluid and magnetohydrodynamic stability properties are discussed and compared. The perpendicular compressibility strongly reduces the growth rate and for Ln/LB∼Ln/LT∼1, the mode is completely stabilized.","PeriodicalId":113346,"journal":{"name":"Physics of fluids. B, Plasma physics","volume":"58 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"Fluid analysis of the collisionless magnetohydrodynamic ballooning mode branch in tokamaks\",\"authors\":\"H. Nordman, B. Jhowry, J. Weiland\",\"doi\":\"10.1063/1.860874\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The stability of electromagnetic ballooning modes is investigated using a toroidal two‐fluid model allowing for arbitrary Ln/LB (the characteristic scale lengths of density and magnetic‐field inhomogeneities). The ballooning mode equation is solved numerically and the two‐fluid and magnetohydrodynamic stability properties are discussed and compared. The perpendicular compressibility strongly reduces the growth rate and for Ln/LB∼Ln/LT∼1, the mode is completely stabilized.\",\"PeriodicalId\":113346,\"journal\":{\"name\":\"Physics of fluids. B, Plasma physics\",\"volume\":\"58 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physics of fluids. B, Plasma physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1063/1.860874\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physics of fluids. B, Plasma physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.860874","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Fluid analysis of the collisionless magnetohydrodynamic ballooning mode branch in tokamaks
The stability of electromagnetic ballooning modes is investigated using a toroidal two‐fluid model allowing for arbitrary Ln/LB (the characteristic scale lengths of density and magnetic‐field inhomogeneities). The ballooning mode equation is solved numerically and the two‐fluid and magnetohydrodynamic stability properties are discussed and compared. The perpendicular compressibility strongly reduces the growth rate and for Ln/LB∼Ln/LT∼1, the mode is completely stabilized.
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