A spectral diagnostics of complex are plasma using multiple spectral information of arc self-emitting is proposed , This method is able to simultaneously determine component densities , the corresponding temperature a...A spectral diagnostics of complex are plasma using multiple spectral information of arc self-emitting is proposed , This method is able to simultaneously determine component densities , the corresponding temperature and their distributions by a few line intensities measurement. The principle of the method and the relevant measuring system are described. An equation system is established for computation of the state variables in are plasma. An experiment under welding are condition is made as an application of the method. The effects of probable error sources on the measurement are also analysed.展开更多
Diagnostic neutral beam （DNB）, combined with spectral diagnostics, is employed to measure the ion temperature in HT-7. The factors affecting the extracted beam are studied in the experiment for the high performance ...Diagnostic neutral beam （DNB）, combined with spectral diagnostics, is employed to measure the ion temperature in HT-7. The factors affecting the extracted beam are studied in the experiment for the high performance diagnostic neutral beam. A 6.5 A extracted hydrogen current at 43 keV of 100 ms was obtained after optimization. The extracted beam has a proton ratio as high as 40%, and can penetrate into the core plasma after neutralization to measure the ion temperature effectively.展开更多
文摘A spectral diagnostics of complex are plasma using multiple spectral information of arc self-emitting is proposed , This method is able to simultaneously determine component densities , the corresponding temperature and their distributions by a few line intensities measurement. The principle of the method and the relevant measuring system are described. An equation system is established for computation of the state variables in are plasma. An experiment under welding are condition is made as an application of the method. The effects of probable error sources on the measurement are also analysed.
基金supported by National Natural Science Foundation of China (No.10875146)
文摘Diagnostic neutral beam （DNB）, combined with spectral diagnostics, is employed to measure the ion temperature in HT-7. The factors affecting the extracted beam are studied in the experiment for the high performance diagnostic neutral beam. A 6.5 A extracted hydrogen current at 43 keV of 100 ms was obtained after optimization. The extracted beam has a proton ratio as high as 40%, and can penetrate into the core plasma after neutralization to measure the ion temperature effectively.
