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Disposal Criticality Analysis for Aluminum-based Fuel in a Codisposal Waste Package - ORR and MIT SNF - Phase II

J. Wesley Davis
J. R. Massari
Chi Kang,
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The objective of this analysis is to characterize the criticality safety aspects of a degraded Department of Energy spent nuclear fuel (DOE-SNF) canister containing Massachusetts Institute of Technology (MIT) or Oak Ridge Research (ORR) fuel in the Five-Pack Defense High-Level Waste (DHLW) waste package to demonstrate concept viability related to use in the Mined Geologic Disposal System (MGDS) environment for the postclosure time frame. The purpose of this analysis is to investigate the disposal criticality issues for the degraded high level waste (HLW) waste package containing a DOE-SNF canister and to establish DHLW waste package and DOE-SNF canister compatibility with the MGDS, and to provide criticality evaluations for the preliminary DOE-SNF canister design.

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