Daily Thermal Predictions of the AGR-1 Experiment with Gas Gaps Varying with Time Page: 3 of 13
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Proceedings of ICAPP '12
Chicago, USA, June 24-28, 2012
per stack for a total of 12 fuel compacts per capsule, with
the entire AGR 1 experiment capsule assembly having six
capsules by 12 fuel compacts per capsule for a total of 72
Fig 3 shows the axial arrangement for Stack-1. The
ABAQUS model has a direct volume-for-volume
correlation with the physics model discussed in Reference
 for the heating of the compacts (each compact is evenly
axially divided into two equal parts). An axial cut of a
typical capsule is shown in Figure 4.
II. MODEL DESCRIPTION
Figures 5 through 9 are used in the description of the
model. The finite element mesh is discussed first, followed
by a description of the material properties, and ending with
the volumetric heat rates imposed on the model
-o - - - o
0 o 0
Fig 1. Cross section view of the ATR core, B-10
irradiation test position.
Control Gas Gap --
Gas Gap - Stack 1
ATR Core . S 2
Hf Shroud _ =
Fig 2. Schematic of cross section of an AGR-1 capsule.
Fuel compact stack Nodes 25-32
Fig 3. Axial cross-section view of the six capsules in
an AGR-1 experiment capsule assembly.
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Hawkes, Grant; Sterbentz, James; Maki, John & Pham, Binh. Daily Thermal Predictions of the AGR-1 Experiment with Gas Gaps Varying with Time, article, June 1, 2012; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc832963/m1/3/: accessed January 18, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.