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Fusion energy: Progress, partnerships, and the path to deployment
Over the past decade, fusion energy has moved decisively from scientific aspiration toward a credible pathway to a new energy technology. Thanks to long-term federal support, we have significantly advanced our fundamental understanding of plasma physics—the behavior of the superheated gases at the heart of fusion devices. This knowledge will enable the creation and control of fusion fuel under conditions required for future power plants. Our progress is exemplified by breakthroughs at the National Ignition Facility and the Joint European Torus.
Jon L. Maienschein, Frank Garcia, Raul G. Garza, Ronald L. Kanna, Stephen R. Mayhugh, David T. Taylor
Fusion Science and Technology | Volume 21 | Number 2 | March 1992 | Pages 383-388
Safety; Measurement and Accountability; Operation and Maintenance; Application | doi.org/10.13182/FST92-A29775
Articles are hosted by Taylor and Francis Online.
Tritium-handling apparatus has been decontaminated as part of the downsizing of the LLNL Tritium Facility. Two stainless-steel gloveboxes that had been used to process lithium deuteridetritide (LiDT) salt were decontaminated using the Portable Cleanup System so that they could be flushed with room air through the facility ventilation system. Further surface decontamination was performed by scrubbing the interior with paper towels and ethyl alcohol or Swish™. The surface contamination, as shown by swipe surveys, was reduced from 7x106 - 2x108 Bq/m2 (4x104 - 106 disintegrations per minute per square cm, or dpm/cm2) to 3x104 - 7x104 Bq/m2 (2x102 - 4x104 dpm/cm2). Details on the decontamination operation are provided. A series of metal (palladium and vanadium) hydride storage beds have been drained of tritium and flushed with deuterium, in order to remove as much tritium as possible. The bed draining and flushing procedure is described, and a calculational method is presented which allows estimation of the tritium remaining in a bed after it has been drained and flushed. Data on specific bed draining and flushing are given.