Neutronics Analyses of the Minimum Original HEU TREAT Core

TREAT LEU Conversion Analyses Performed 2016-2018

“…Both the reflector and bioshield feature a variety of holes to allow for instrumentation use. Detailed descriptions of the current HEU fuel assembly design and TREAT facility can be found in previous conversion team reports [1,5] and in the facility's design summary report [6].…”

Analysis of the TREAT LEU Conceptual Design

“…An illustration of an example half-sltoted core loading, including the reflector and bioshield, is provided in Figure 1-1. Detailed descriptions of the current HEU fuel assembly design and TREAT facility can be found in previous reports [1,5] and in the facility's design summary report [6]. The control rods were re-located in the late 1980's; the current layout is referred to as the "upgraded core", while the previous configuration is identified as the "pre-upgrade core".…”

Preliminary Results of Ancillary Safety Analyses Supporting TREAT LEU Conversion Activities

“…The components of TREAT that are relevant to this study are the core lattice (core), permanent (radial) reflector, and core support plate (grid-plate). Figure 9 below illustrates the TREAT reactor facility [6].…”