Validating TRANSP simulations using neutron emission spectroscopy with dual sight lines

Validating TRANSP simulations using neutron emission spectroscopy with dual sight lines

A method to generate modeled neutron spectra from bulk and fast ion distributions simulated by TRANSP has been developed. In this paper, modeled data generated from fuel ion distributions modeled with TRANSP is compared to measured data from two neutron spectrometers with different lines of sight; T...

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Veröffentlicht in:Review of scientific instruments 2008-10, Vol.79 (10), p.10E510-10E510
Hauptverfasser: Hellesen, C, Sundén, E A, Conroy, S, Ericsson, G, Giacomelli, L, Hjalmarsson, A, Johnsson, M G, Källne, J, Ronchi, E, Weiszflog, M, Ballabio, L, Gorini, G, Tardocchi, M, Voitsekhovitch, I
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
IONS
NEUTRON EMISSION
NEUTRON SPECTRA
NEUTRON SPECTROMETERS
PLASMA
PLASMA CONFINEMENT
PLASMA DIAGNOSTICS
PLASMA SIMULATION
SPECTROSCOPY
TOKAMAK DEVICES
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Zusammenfassung:A method to generate modeled neutron spectra from bulk and fast ion distributions simulated by TRANSP has been developed. In this paper, modeled data generated from fuel ion distributions modeled with TRANSP is compared to measured data from two neutron spectrometers with different lines of sight; TOFOR with a radial one and the MPRu with a tangential one. The information obtained from the analysis of the measured neutron spectra such as the relative intensity of the emission from different ion populations places additional constraints on the simulation and can be used to adjust the parameters of the simulation.
ISSN:0034-6748
1089-7623
1089-7623
DOI:10.1063/1.2965017