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Latest News
College students help develop waste-measuring device at Hanford
A partnership between Washington River Protection Solutions (WRPS) and Washington State University has resulted in the development of a device to measure radioactive and chemical tank waste at the Hanford Site. WRPS is the contractor at Hanford for the Department of Energy’s Office of Environmental Management.
A. R. Raffray, L. El-Guebaly, G. Federici, D. Haynes, F. Najmabadi, D. Petti, ARIES-IFE Team
Fusion Science and Technology | Volume 46 | Number 3 | November 2004 | Pages 417-437
Technical Paper | ARIES-IFE | doi.org/10.13182/FST04-A581
Articles are hosted by Taylor and Francis Online.
The chamber wall armor is subject to demanding conditions in inertial fusion energy (IFE) chambers. IFE operation is cyclic in nature, and key issues are (a) chamber evacuation to ensure that after each shot the chamber returns to a quiescent state in preparation for the target injection and the firing of the driver for the subsequent shot and (b) armor lifetime that requires that the armor accommodate the cyclic energy deposition while providing the required lifetime. Armor erosion would impact both of these requirements. Tungsten and carbon are considered as armor for IFE dry-wall chambers based on their high-temperature and high-heat-flux accommodation capabilities. This paper assesses the requirements on armor imposed by the operating conditions in IFE, including energy deposition density, time of deposition, and frequencies; describes their impact on the performance of the candidate armor materials; and discusses the major issues.