کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1569975 | 1514271 | 2006 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thermo-oxidation to remove re-deposited layers and to release trapped hydrogen isotopes in HT-7 superconducting tokamak
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
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چکیده انگلیسی
Thermo-oxidation between 0.7Â Pa and 32Â Pa at wall temperatures of 400-470Â K has been investigated in the HT-7 superconducting tokamak. During the oxidation process, deposited carbon layers were removed by the formation of CO and CO2 and the incorporated hydrogen was released in the form of water molecules. A significant fraction of the injected oxygen was also absorbed on the walls. The overall amount of adsorbed oxygen is nearly linear with the filling pressure. The results of the thermo-oxidation experiment in HT-7 were similar to those in TEXTOR. High wall temperature and high oxygen pressure are helpful in removing carbon co-deposits and releasing trapped hydrogen.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Nuclear Materials - Volume 349, Issues 1â2, 15 February 2006, Pages 160-166
Journal: Journal of Nuclear Materials - Volume 349, Issues 1â2, 15 February 2006, Pages 160-166
نویسندگان
J.S. Hu, J.G. Li, X.M. Wang,