Hydrodynamic efficiency and thermal transport in planar target experiments at LLE
Conference
·
OSTI ID:6116796
The authors report the results of single beam irradiation of thin CH foils at laser intensities of 10/sup 13/ to 10/sup 15/ W/cm/sup 2/ in 0.8 ns pulses containing 20 to 50 J of 350 nm and 1054 nm light. They also discuss the hydrodynamic efficiency, thermal transport and preheat in these targets. Included is the measurement of the ion blowoff energy distribution and velocity. The efficient acceleration by short wavelength radiation causes target displacements comparable to the spot size resulting in two-dimension effects. The results are adequately modeled with the 2-D hydrocode SAGE using a flux limiter of f=0.04.
- Research Organization:
- Rochester Univ., NY (USA). Lab. for Laser Energetics
- DOE Contract Number:
- AC08-80DP40124
- OSTI ID:
- 6116796
- Report Number(s):
- DOE/DP/40124-48; CONF-841010-8; ON: DE85002821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700208* -- Fusion Power Plant Technology-- Inertial Confinement Technology
ACCELERATION
FLUID MECHANICS
FOILS
HYDRODYNAMICS
IRRADIATION
LASER TARGETS
MECHANICS
PHYSICAL PROPERTIES
TARGETS
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES
TWO-DIMENSIONAL CALCULATIONS
700208* -- Fusion Power Plant Technology-- Inertial Confinement Technology
ACCELERATION
FLUID MECHANICS
FOILS
HYDRODYNAMICS
IRRADIATION
LASER TARGETS
MECHANICS
PHYSICAL PROPERTIES
TARGETS
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES
TWO-DIMENSIONAL CALCULATIONS