RF assisted Glow Discharge Condition experiment for SST-1 Tokamak
Impurity control reduces the radiation loss from plasma and hence enhances the plasma operation. Oxygen and water vapors are the most common impurities in tokamak devices. Water vapour can be reduced with extensive baking while in order to have a significant reduction in oxygen it is necessary to us...
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| Veröffentlicht in: | Journal of physics. Conference series 2017-04, Vol.823 (1), p.12064 |
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| creator | Raval, Dilip Khan, Ziauddin George, Siju Dhanani, Kalpeshkumar R Paravastu, Yuvakiran Semwal, Pratibha Thankey, Prashant Shoaib Khan, Mohammad Kakati, Bharat Pradhan, Subrata |
| description | Impurity control reduces the radiation loss from plasma and hence enhances the plasma operation. Oxygen and water vapors are the most common impurities in tokamak devices. Water vapour can be reduced with extensive baking while in order to have a significant reduction in oxygen it is necessary to use glow discharge condition (GDC). RF assisted glow discharge cleaning system will be implemented to remove low z impurities at PFC installed SST-1 vacuum vessel. A RF assisted Glow discharge conditioning is studied at laboratory to find the optimum operating parameters in a view to implement at SST-1 tokamak. Helium is used as a fuel gas in the present experiment. It is observed that the ultimate impurity level is reduced significantly below to the accepted level for plasma operation after RF assisted GDC. The experimental findings of RF assisted Glow discharge conditioning is discussed in details in this paper. |
| doi_str_mv | 10.1088/1742-6596/823/1/012064 |
| format | Article |
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Oxygen and water vapors are the most common impurities in tokamak devices. Water vapour can be reduced with extensive baking while in order to have a significant reduction in oxygen it is necessary to use glow discharge condition (GDC). RF assisted glow discharge cleaning system will be implemented to remove low z impurities at PFC installed SST-1 vacuum vessel. A RF assisted Glow discharge conditioning is studied at laboratory to find the optimum operating parameters in a view to implement at SST-1 tokamak. Helium is used as a fuel gas in the present experiment. It is observed that the ultimate impurity level is reduced significantly below to the accepted level for plasma operation after RF assisted GDC. 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| subjects | Baking Conditioning Glow discharges Helium Impurities Physics Tokamak devices Water vapor |
| title | RF assisted Glow Discharge Condition experiment for SST-1 Tokamak |
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