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Opacity calculation for aluminum, iron, and gold plasmas using FLYCHK code

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Title
Opacity calculation for aluminum, iron, and gold plasmas using FLYCHK code
Author(s)
Min Sang Cho; K. Matsuo; Shuhei Fujioka; S.J. Hahn; Byoung Ick Cho; hyun-Kyung Chung
Subject
TRANSITION-ARRAYS, ; SPECTROSCOPY, ; MODEL, ; RATES, ; HOT, ; SIMULATIONS, ; SPECTRA, ; IONS, ; FE
Publication Date
2020-12
Journal
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, v.257, pp.107369 - 107383
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Abstract
The opacity information of a finite-temperature plasma is an important property and requires the population distribution of a given plasma condition. A population kinetic code for plasma spectroscopy, FLYCHK, has been widely used by researchers to study the spectroscopic properties of high-energy-density plasmas under a wide range of conditions. In this study, the FLYCHK calculation of the Planck and Rosseland mean opacities of lowto high-Z elements, such as aluminum (Z = 13), iron (Z = 26), and gold (Z = 79), under a wide temperature and density range (T = 10(-3)-10(2) keV, rho = 10(-6)-10(2) g/cc) is reported. This study mainly focused on the quantitative comparisons of FLYCHK opacities with commonly used opacities: ATOMIC and PROPACEOS. Comparisons show that the FLYCHK mean opacities are comparable to other results over a wide range of plasma conditions. Aluminum opacities were analyzed in detail to understand the characteristics of FLYCHK opacity simulations. (C) 2020 Elsevier Ltd. All rights reserved.
URI
https://pr.ibs.re.kr/handle/8788114/8437
DOI
10.1016/j.jqsrt.2020.107369
ISSN
0022-4073
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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