Artículo
Improved ERO modelling for spectroscopy of physically and chemically assisted eroded beryllium from the JET-ILW
Autor/es | Borodin, D.
Brezinsek, S. Borodkina, I. Romazanov, J. Matveev, D. Jet Contributors García Muñoz, Manuel |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2016-12 |
Fecha de depósito | 2020-08-26 |
Publicado en |
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Resumen | Physical and chemical assisted physical sputtering were characterised by the Be I and Be II line and BeD band emission in the observation chord measuring the sightline integrated emission in front of the inner beryllium ... Physical and chemical assisted physical sputtering were characterised by the Be I and Be II line and BeD band emission in the observation chord measuring the sightline integrated emission in front of the inner beryllium limiter at the torus midplane. The 3D local transport and plasma-surface interaction Monte- Carlo modelling (ERO code [18] ) is a key for the interpretation of the observations in the vicinity of the shaped solid Be limiter. The plasma parameter variation (density scan) in limiter regime has provided a useful material for the simulation benchmark. The improved background plasma parameters input, the new analytical expression for particle tracking in the sheath region and implementation of the BeD re- lease into ERO has helped to clarify some deviations between modelling and experiments encountered in the previous studies [4,5] . Reproducing the observations provides additional confidence in our ‘ERO-min’ fit for the physical sputtering yields for the plasma-wetted areas based on simulated data. |
Identificador del proyecto | 633053 |
Cita | Borodin, D., Brezinsek, S., Borodkina, I., Romazanov, J., Matveev, D., Jet Contributors, y García Muñoz, M. (2016). Improved ERO modelling for spectroscopy of physically and chemically assisted eroded beryllium from the JET-ILW. Nuclear Materials and Energy, 9, 604-609. |
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