Hauptseite > Publikationsdatenbank > In situ study of short-term retention of deuterium in tungsten during and after plasma exposure in PSI-2 > print |
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100 | 1 | _ | |a Jiang, X. |0 P:(DE-Juel1)166372 |b 0 |e Corresponding author |u fzj |
245 | _ | _ | |a In situ study of short-term retention of deuterium in tungsten during and after plasma exposure in PSI-2 |
260 | _ | _ | |a Vienna |c 2021 |b IAEA |
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500 | _ | _ | |a Bitte Post-print ergänzen |
520 | _ | _ | |a In situ monitoring of the hydrogenic fuel inventory in plasma-facing materials (PFMs) is a key issue for the sustainable and safe operation of a magnetically confined fusion device. A laser induced breakdown spectroscopy system has been applied on the linear plasma device PSI-2 to determine the short-term retention of deuterium (D) in the most promising PFM-tungsten (W). Measurements of the fuel content were performed (a) during plasma exposure, providing the dynamic D content in W and (b) after plasma exposure, determining the outgassing of D from W in vacuum. The in situ measurement of D content in W is in the time range of about 100 minutes before plasma termination (during plasma exposure) to 240 minutes after plasma termination (after plasma exposure). The measured surface D content in W drops to 17%–37% of the initial amount (measured before the plasma is switched off), showing a reduction factor of ca. 3–6 within the first 240 minutes. |
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700 | 1 | _ | |a Sergienko, G. |0 P:(DE-Juel1)130158 |b 1 |u fzj |
700 | 1 | _ | |a Kreter, A. |0 P:(DE-Juel1)130070 |b 2 |
700 | 1 | _ | |a Brezinsek, S. |0 P:(DE-Juel1)129976 |b 3 |
700 | 1 | _ | |a Linsmeier, Ch. |0 P:(DE-Juel1)157640 |b 4 |
773 | _ | _ | |a 10.1088/1741-4326/ac112e |g Vol. 61, no. 9, p. 096006 - |0 PERI:(DE-600)2037980-8 |n 9 |p 096006 - |t Nuclear fusion |v 61 |y 2021 |x 0029-5515 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/904054/files/Jiang_2021_Nucl._Fusion_61_096006.pdf |y Restricted |
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