文献类型：期刊文献

英文题名：Radiation losses in ohmically heated plasma in the HT-7 tokamak

作者：Zhang, XM; Wan, BN; Feng, XJ

机构：[1]E China Univ Sci & Technol, Dept Phys, Shanghai 200237, Peoples R China;[2]Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China

年份：2004

卷号：6

期号：2

起止页码：2194

外文期刊名：PLASMA SCIENCE & TECHNOLOGY

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000221109900003)】；

语种：英文

外文关键词：impurities in plasma; radiationloss; tokamak

摘要：Total radiation losses in ohmically heated plasma have been investigated in the HT-7 tokamak after different wall conditionings. Discharges after siliconization and boronization have been studied by using bolomitric measurements. Not only low-Z impurities but also high-Z impurities are reduced obviously after wall conditioning. The fraction of the total radiation loss to the ohmic input increases with increasing line-averaged central electron density. But it decreases with increasing the plasma current IP after wall conditionings. It is slightly lower for a boronized wall than that for a siliconized wall.