skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Modeling electron heat transport during magnetic field buildup in SSPX

Abstract

A model for spheromak magnetic field buildup and electron thermal transport, including a thermal diffusivity associated with magnetic turbulence during helicity injection is applied to a SSPX equilibrium, with a maximum final magnetic field of 1.3 T. Magnetic field-buildup times of 1.0 X 10-3, 5.0 X 10-4 and 1.0 X 10-4 s were used in the model to examine their effects on electron thermal transport. It is found that at transport run time of 4 x 10-3 s, the fastest buildup-time results in the highest final temperature profile, with a core temperature of 0.93 kev while requiring the lowest input energy at 140 KJ. The results show that within the model the most rapid buildup rate generates the highest electron temperature at the fastest rate and at the lowest consumption of energy. However, the peak power requirements are large (> 600 MW for the fastest buildup case examined).

Authors:
; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Org.:
USDOE Office of Energy Research, Washington, DC (United States)
OSTI Identifier:
598594
Report Number(s):
UCRL-ID-128656
ON: DE98051261; TRN: 98:005108
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: Oct 1997
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION; THERMONUCLEAR REACTORS; HEAT FLUX; MAGNETIC FIELDS

Citation Formats

Hua, D.D., Hooper, E.B., and Fowler, T.K.. Modeling electron heat transport during magnetic field buildup in SSPX. United States: N. p., 1997. Web. doi:10.2172/598594.
Hua, D.D., Hooper, E.B., & Fowler, T.K.. Modeling electron heat transport during magnetic field buildup in SSPX. United States. doi:10.2172/598594.
Hua, D.D., Hooper, E.B., and Fowler, T.K.. Wed . "Modeling electron heat transport during magnetic field buildup in SSPX". United States. doi:10.2172/598594. https://www.osti.gov/servlets/purl/598594.
@article{osti_598594,
title = {Modeling electron heat transport during magnetic field buildup in SSPX},
author = {Hua, D.D. and Hooper, E.B. and Fowler, T.K.},
abstractNote = {A model for spheromak magnetic field buildup and electron thermal transport, including a thermal diffusivity associated with magnetic turbulence during helicity injection is applied to a SSPX equilibrium, with a maximum final magnetic field of 1.3 T. Magnetic field-buildup times of 1.0 X 10-3, 5.0 X 10-4 and 1.0 X 10-4 s were used in the model to examine their effects on electron thermal transport. It is found that at transport run time of 4 x 10-3 s, the fastest buildup-time results in the highest final temperature profile, with a core temperature of 0.93 kev while requiring the lowest input energy at 140 KJ. The results show that within the model the most rapid buildup rate generates the highest electron temperature at the fastest rate and at the lowest consumption of energy. However, the peak power requirements are large (> 600 MW for the fastest buildup case examined).},
doi = {10.2172/598594},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Oct 01 00:00:00 EDT 1997},
month = {Wed Oct 01 00:00:00 EDT 1997}
}

Technical Report:

Save / Share: