Radiative properties of argon gas puff z-pinch implosions on COBRA
Spatially resolved and time-integrated x-ray spectroscopy, combined with modeling of the spectra with detailed radiation kinetics and transport, is a powerful method to study the conditions in a hot moving plasma. K-shell argon spectra were measured from gas puff implosions with different center jet...
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| Veröffentlicht in: | Physics of plasmas 2016-10, Vol.23 (10) |
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| creator | Ouart, N. D. de Grouchy, P. W. L. Qi, N. Giuliani, J. L. Dasgupta, A. Shelkovenko, T. A. Pikuz, S. A. Hammer, D. A. Kusse, B. R. Apruzese, J. P. Clark, R. W. |
| description | Spatially resolved and time-integrated x-ray spectroscopy, combined with modeling of the spectra with detailed radiation kinetics and transport, is a powerful method to study the conditions in a hot moving plasma. K-shell argon spectra were measured from gas puff implosions with different center jet masses on the 1 MA COBRA generator at Cornell University. The outer to inner plenum pressures (1 and 3 psia, respectively) were the same for all shots producing an outer to inner mass ratio of 1:1. This paper uses non-local thermodynamic equilibrium kinetic modeling to infer the ion density, electron temperature, K-shell radiating mass, and K-shell powers from stagnating argon gas puff z-pinch implosion. We find that the implosions with a center jet produced bright spot regions of plasma with higher temperature and density than those without a jet. |
| doi_str_mv | 10.1063/1.4965244 |
| format | Article |
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D. ; de Grouchy, P. W. L. ; Qi, N. ; Giuliani, J. L. ; Dasgupta, A. ; Shelkovenko, T. A. ; Pikuz, S. A. ; Hammer, D. A. ; Kusse, B. R. ; Apruzese, J. P. ; Clark, R. W.</creator><creatorcontrib>Ouart, N. D. ; de Grouchy, P. W. L. ; Qi, N. ; Giuliani, J. L. ; Dasgupta, A. ; Shelkovenko, T. A. ; Pikuz, S. A. ; Hammer, D. A. ; Kusse, B. R. ; Apruzese, J. P. ; Clark, R. W.</creatorcontrib><description>Spatially resolved and time-integrated x-ray spectroscopy, combined with modeling of the spectra with detailed radiation kinetics and transport, is a powerful method to study the conditions in a hot moving plasma. K-shell argon spectra were measured from gas puff implosions with different center jet masses on the 1 MA COBRA generator at Cornell University. The outer to inner plenum pressures (1 and 3 psia, respectively) were the same for all shots producing an outer to inner mass ratio of 1:1. This paper uses non-local thermodynamic equilibrium kinetic modeling to infer the ion density, electron temperature, K-shell radiating mass, and K-shell powers from stagnating argon gas puff z-pinch implosion. 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D.</creatorcontrib><creatorcontrib>de Grouchy, P. W. L.</creatorcontrib><creatorcontrib>Qi, N.</creatorcontrib><creatorcontrib>Giuliani, J. L.</creatorcontrib><creatorcontrib>Dasgupta, A.</creatorcontrib><creatorcontrib>Shelkovenko, T. A.</creatorcontrib><creatorcontrib>Pikuz, S. A.</creatorcontrib><creatorcontrib>Hammer, D. A.</creatorcontrib><creatorcontrib>Kusse, B. R.</creatorcontrib><creatorcontrib>Apruzese, J. P.</creatorcontrib><creatorcontrib>Clark, R. W.</creatorcontrib><title>Radiative properties of argon gas puff z-pinch implosions on COBRA</title><title>Physics of plasmas</title><description>Spatially resolved and time-integrated x-ray spectroscopy, combined with modeling of the spectra with detailed radiation kinetics and transport, is a powerful method to study the conditions in a hot moving plasma. K-shell argon spectra were measured from gas puff implosions with different center jet masses on the 1 MA COBRA generator at Cornell University. The outer to inner plenum pressures (1 and 3 psia, respectively) were the same for all shots producing an outer to inner mass ratio of 1:1. This paper uses non-local thermodynamic equilibrium kinetic modeling to infer the ion density, electron temperature, K-shell radiating mass, and K-shell powers from stagnating argon gas puff z-pinch implosion. We find that the implosions with a center jet produced bright spot regions of plasma with higher temperature and density than those without a jet.</description><subject>Argon</subject><subject>Bright spots</subject><subject>Electron energy</subject><subject>Gas puff Z pinch plasmas</subject><subject>Implosions</subject><subject>Ion density (concentration)</subject><subject>Local thermodynamic equilibrium</subject><subject>Modelling</subject><subject>Plasma physics</subject><subject>Spectrum analysis</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqd0MtKAzEUBuAgCtbqwjcIuFKYenKZZGbZlnqBQqEouAshk9SUdhKTaUGf3iktuHd1zuI7F36EbgmMCAj2SEa8FiXl_AwNCFR1IYXk54deQiEE_7hEVzmvAYCLshqgyVI3Xnd-b3FMIdrUeZtxcFinVWjxSmccd87hnyL61nxiv42bkH1oe9Ti6WKyHF-jC6c32d6c6hC9P83epi_FfPH8Oh3PC8Oo7ApDJG1AaqdJwyynlaQgmpKCa5ixrhZMcM1dTRjoGipTcqK1pdoKqAknNRuiu-Pe_tGvnc2dWoddavuTihJKBFSyHx6i-6MyKeScrFMx-a1O34qAOkSkiDpF1NuHo83Gd30Iof0f3of0B1VsHPsF3-By1g</recordid><startdate>201610</startdate><enddate>201610</enddate><creator>Ouart, N. 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This paper uses non-local thermodynamic equilibrium kinetic modeling to infer the ion density, electron temperature, K-shell radiating mass, and K-shell powers from stagnating argon gas puff z-pinch implosion. We find that the implosions with a center jet produced bright spot regions of plasma with higher temperature and density than those without a jet.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4965244</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-1580-7408</orcidid><orcidid>https://orcid.org/0000-0001-6793-3786</orcidid><orcidid>https://orcid.org/0000-0002-2936-5914</orcidid><orcidid>https://orcid.org/0000-0002-6618-0580</orcidid></addata></record> |
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| source | American Institute of Physics (AIP) Journals; Alma/SFX Local Collection |
| subjects | Argon Bright spots Electron energy Gas puff Z pinch plasmas Implosions Ion density (concentration) Local thermodynamic equilibrium Modelling Plasma physics Spectrum analysis |
| title | Radiative properties of argon gas puff z-pinch implosions on COBRA |
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