The Hanford Site is currently in the process of an extensive effort to empty and close its radioactive single-shell and double-shell waste storage tanks. Before this can be accomplished, it is necessary to know how much residual material is left in a given waste tank and the uncertainty with which that volume is known. The Institute for Clean Energy Technology (ICET) at Mississippi State University is currently developing a quantitative in-tank imaging system based on Fourier Transform Profilometry, FTP. FTP is a non-contact, 3-D shape measurement technique. By projecting a fringe pattern onto a target surface and observing its deformation due to surface irregularities from a different view angle, FTP is capable of determining the height (depth) distribution (and hence volume distribution) of the target surface, thus reproducing the profile of the target accurately under a wide variety of conditions. Hence FTP has the potential to be utilized for quantitative determination of residual wastes within Hanford waste tanks. In this paper, efforts to characterize the accuracy and precision of quantitative volume determination using FTP and the use of these results to optimize the FTP system for deployment within Hanford waste tanks are described.
- Nuclear Engineering Division and Environmental Engineering Division
Optimization of Quantitative Waste Volume Determination Technique for Hanford Waste Tank Closure
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Monts, DL, Jang, P, Long, Z, Okhuysen, WP, Norton, OP, Gresham, LL, Su, Y, & Lindner, JS. "Optimization of Quantitative Waste Volume Determination Technique for Hanford Waste Tank Closure." Proceedings of the ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management, Volume 1. Tsukuba, Japan. October 3–7, 2010. pp. 273-279. ASME. https://doi.org/10.1115/ICEM2010-40014
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