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DOE-EM issues draft RFP for Hanford lab work, awards WIPP monitoring grant
The Department of Energy’s Office of Environmental Management issued a draft request for proposals on June 25 for the Hanford Site’s 222-S Laboratory contract. The 222-S Laboratory is the primary on-site laboratory for analysis of highly radioactive samples in support of all projects at the DOE’s Hanford Site in Washington state.
J. Mandrekas, W.M. Stacey, H. He
Fusion Science and Technology | Volume 19 | Number 3 | May 1991 | Pages 1307-1312
Result of Large Experiment and Plasma Engineering | doi.org/10.13182/FST91-A29522
Articles are hosted by Taylor and Francis Online.
Reference operating scenarios for the physics phase of the International Thermonuclear Experimental Reactor (ITER) rely on low temperature, high density operation for good divertor performance. Operating points in this region are usually thermally unstable, and active burn control is required in order to maintain the selected operating point. We present transport simulations of ITER burn control scenarios with modulated neutral beam heating, using the 1-1/2D transport code WHIST. Our results indicate that control is possible, except at high densities (≥ 1.75 × 1020 m−3) where off-axis heating due to the poor beam penetration makes control problematic, especially for negative perturbations.