کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9599084 | 1397444 | 2005 | 13 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
L to M shell transitions and model comparisons for radiative opacities of sodium fluoride plasma
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
طیف سنجی
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چکیده انگلیسی
The radiative opacities of hot dense sodium fluoride (NaF) plasma have been studied in the case of local thermodynamic equilibrium (LTE). The spectrally resolved opacity in the case of T=50eV and Ï=0.01g/cm3 is taken as an example to illustrate the absorption structures of the NaF plasma. The transitions from L to M shells of sodium and fluoride are the main contributions for the plasma absorptions. The isodense opacities of NaF plasma are studied at a density of 0.01g/cm3 and temperatures of 20-60Â eV. Detailed comparisons among the results of the detailed term accounting (DTA), detailed configuraion accounting (DCA), unresolved transition array (UTA) and average atom (AA) model codes, which have been developed independently in China in the past few years, are performed for both the spectral resolved and mean opacities. Good agreements are found at a temperature of 40Â eV and a density of 0.01g/cm3, but discrepancies appear at a temperature of 50Â eV and a density of 0.01g/cm3.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer - Volume 95, Issue 2, 1 October 2005, Pages 241-253
Journal: Journal of Quantitative Spectroscopy and Radiative Transfer - Volume 95, Issue 2, 1 October 2005, Pages 241-253
نویسندگان
Fengtao Jin, Jiaolong Zeng, Jianmin Yuan, Guoxing Han, Zeqing Wu, Jun Yan, Minsheng Wang, Yonglun Peng,