Laboratory microfusion facility -- Neutronics and radiological safety analysis
- Lawrence Livermore National Lab., CA (USA)
The primary goal of the Laboratory Microfusion Facility (LMF) is to conduct some 1400 target experiments over a five-year period to demonstrate high gain in the laboratory. Projected yields for these experiments range from < 10 MJ to 1000 MJ. High gain experiments are expected to be conducted once per week. After high gain has been achieved, target yields above 100 MJ will be used to conduct weapons physics and weapons effects experiments. In addition, experiments will be conducted to assess the viability of inertial fusion of electric power production space propulsion and space power. This will extend the facility lifetime to as much as 30 years. We have set two design goals that minimize effect of radiation hazards on the operation of the facility. The first is that LMF workers will have access to the diagnostic platforms outside the target chamber within 24 hours after a high-yield shot. This is necessary for retrieving data and preparing for the next experiment. Although it is plausible that routine interior chamber operations may be done remotely, workers may occasionally require access to the inside of the chamber for special tasks. Therefore, the second design goal is that workers can safely enter the chamber for a short time 7 days after a high-yield experiment. We have previously reported many aspects of radiological safety concerning the LME. Here we report further work covering beam tube activation, final optics activation, neutron heating of a diagnostic, electromagnetic pulse (EMP) generation, radiation shielding and tritium recovery/disposal issues. 13 refs., 3 figs., 2 tabs.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5396063
- Report Number(s):
- UCRL-101148; CONF-891007-81; ON: DE90002787
- Resource Relation:
- Conference: 13. international symposium on fusion engineering, Knoxville, TN (USA), 2-6 Oct 1989
- Country of Publication:
- United States
- Language:
- English
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