Gas dynamics in the central cavity of HYLIFE-II reactor
In a HYLIFE-II ICF reactor, the microfusion of the D-T capsule in the center of the chamber produces X-rays that can ablate a thin layer off the liquid blanket which protects the first structural wall Thisablated material will implode toward the center line of the central cavity due to the initial vacuum and cylindrical geometry, and then rebound back to the liquid blanket vent through it and exert a pressure impulse'' onto the structural wall. The initial ablation occurs in a very short period with very small characteristic length and the implosion and rebounding processes feature very high pressures and temperatures. The proper design of the chamber relies on the reasonably accurate analysis of the gas dynamics in the central cavity and the gas-liquid interaction. In this paper, a second order Godunov numerical method is used to solve the compressible flow equations in the central cavity. The rarefaction and shock phenomena are very well captured by the numerical calculation. The equation of state for Flibe vapor is used in the calculation along with the parameters for the HYLIFE-II design. Since the radiation transport has not yet been included in the current calculations, the vapor possesses higher energy and therefore temperature. The total mass vaporized will also be underestimated in the later time of the calculation. The incorporation of a radiation calculation into this code is our next goal.
- Research Organization:
- Lawrence Livermore National Lab., CA (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6519927
- Report Number(s):
- UCRL-CR-109549; CONF-920607-22; ON: DE93009322
- Resource Relation:
- Conference: 10. topical meeting on technology of fusion energy, Boston, MA (United States), 7-12 Jun 1992
- Country of Publication:
- United States
- Language:
- English
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A study of thermal hydraulic and kinetic phenomena in HYLIFE-II: An inertial confinement fusion reactor
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Related Subjects
HYLIFE CONVERTER
COMPRESSIBLE FLOW
DYNAMICS
EQUATIONS OF STATE
FIRST WALL
FLIBE
GAS BLANKETS
INERTIAL CONFINEMENT
NUMERICAL SOLUTION
CONFINEMENT
EQUATIONS
FLUID FLOW
LASER FUSION REACTORS
MECHANICS
MOLTEN SALTS
PLASMA CONFINEMENT
SALTS
THERMONUCLEAR REACTOR WALLS
THERMONUCLEAR REACTORS
700411* - Inertial Confinement Devices- (1992-)
700420 - Fusion Technology- Plasma-Facing Components- (1992-)