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Title: Interactions between Liquid-Wall Vapor and Edge Plasmas

Abstract

The use of liquid walls for fusion reactors could help solve problems associated with material erosion from high plasma heat-loads and neutronic activation of structures. A key issue analyzed here is the influx of impurity ions to the core plasma from the vapor of liquid side-walls. Numerical 2D transport simulations are performed for a slab geometry which approximates the edge region of a reactor-size tokamak. Both lithium vapor (from Li or SnLi walls) and fluorine vapor (from Flibe walls) are considered for hydrogen edge-plasmas in the high- and low-recycling regimes. It is found that the minimum influx is from lithium with a low-recycling hydrogen plasma, and the maximum influx occurs for fluorine with a high-recycling hydrogen plasma.

Authors:
;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
15013233
Report Number(s):
UCRL-JC-136662
Journal ID: ISSN 0022-3115; TRN: US200802%%1058
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Journal Volume: 290-293; Conference: 14th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Rosengeim, Germany, May 22 - May 26, 2000
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION; FLIBE; FLUORINE; GEOMETRY; HYDROGEN; LITHIUM; PLASMA; THERMONUCLEAR REACTORS; TRANSPORT

Citation Formats

Rognlien, T D, and Rensink, M E. Interactions between Liquid-Wall Vapor and Edge Plasmas. United States: N. p., 2000. Web. doi:10.1016/S0022-3115(00)00575-4.
Rognlien, T D, & Rensink, M E. Interactions between Liquid-Wall Vapor and Edge Plasmas. United States. doi:10.1016/S0022-3115(00)00575-4.
Rognlien, T D, and Rensink, M E. Thu . "Interactions between Liquid-Wall Vapor and Edge Plasmas". United States. doi:10.1016/S0022-3115(00)00575-4. https://www.osti.gov/servlets/purl/15013233.
@article{osti_15013233,
title = {Interactions between Liquid-Wall Vapor and Edge Plasmas},
author = {Rognlien, T D and Rensink, M E},
abstractNote = {The use of liquid walls for fusion reactors could help solve problems associated with material erosion from high plasma heat-loads and neutronic activation of structures. A key issue analyzed here is the influx of impurity ions to the core plasma from the vapor of liquid side-walls. Numerical 2D transport simulations are performed for a slab geometry which approximates the edge region of a reactor-size tokamak. Both lithium vapor (from Li or SnLi walls) and fluorine vapor (from Flibe walls) are considered for hydrogen edge-plasmas in the high- and low-recycling regimes. It is found that the minimum influx is from lithium with a low-recycling hydrogen plasma, and the maximum influx occurs for fluorine with a high-recycling hydrogen plasma.},
doi = {10.1016/S0022-3115(00)00575-4},
journal = {},
issn = {0022-3115},
number = ,
volume = 290-293,
place = {United States},
year = {2000},
month = {5}
}

Conference:
Other availability
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