LLE-LLNL progress report on studies in nonlocal heat transport in spherical plasmas using the Fokker-Planck code SPARK
Technical Report
·
OSTI ID:5363376
- Rochester Univ., NY (United States). Lab. for Laser Energetics
- Lawrence Livermore National Lab., CA (United States)
Preliminary 1-D studies of nonlocal heat transport in spherical plasmas based on the Fokker-Planck code SPARK indicate significant levels of electron preheat and radial heat flux across a spherical heat sink surface kept at fixed temperature. However, the diffusive approximation to the Fokker-Planck equation is shown to be particularly sensitive to the nature of the inner surface boundary condition chosen. A suggested remedy is the inclusion of a target capsule in future simulations studies with SPARK.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States); Rochester Univ., NY (United States). Lab. for Laser Energetics
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FC03-85DP40200; W-7405-ENG-48
- OSTI ID:
- 5363376
- Report Number(s):
- UCRL-ID-110314; ON: DE92014093
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
LASER-PRODUCED PLASMA
HEAT TRANSFER
BOUNDARY CONDITIONS
DISTRIBUTION FUNCTIONS
FOKKER-PLANCK EQUATION
INERTIAL CONFINEMENT
PROGRESS REPORT
S CODES
SPHERICAL CONFIGURATION
COMPUTER CODES
CONFIGURATION
CONFINEMENT
DIFFERENTIAL EQUATIONS
DOCUMENT TYPES
ENERGY TRANSFER
EQUATIONS
FUNCTIONS
PARTIAL DIFFERENTIAL EQUATIONS
PLASMA
PLASMA CONFINEMENT
700330* - Plasma Kinetics
Transport
& Impurities- (1992-)
700411 - Inertial Confinement Devices- (1992-)
LASER-PRODUCED PLASMA
HEAT TRANSFER
BOUNDARY CONDITIONS
DISTRIBUTION FUNCTIONS
FOKKER-PLANCK EQUATION
INERTIAL CONFINEMENT
PROGRESS REPORT
S CODES
SPHERICAL CONFIGURATION
COMPUTER CODES
CONFIGURATION
CONFINEMENT
DIFFERENTIAL EQUATIONS
DOCUMENT TYPES
ENERGY TRANSFER
EQUATIONS
FUNCTIONS
PARTIAL DIFFERENTIAL EQUATIONS
PLASMA
PLASMA CONFINEMENT
700330* - Plasma Kinetics
Transport
& Impurities- (1992-)
700411 - Inertial Confinement Devices- (1992-)