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Computer Simulation of the Reactor

Past projects have included criticality analysis, reactor design and optimization, tank-water flow, and even linear accelerator modeling using various software available through the CENTER and the College of Engineering, such as MCNP, Sabrina, Body Builder, GAMBIT, FLUENT, and RELAP5-3D.

TRIGA™ Reactor Design and Modeling
MCNP Core Cut-Away
Midline diagram of a critical core design with various types of fuels and moderators to develop a high flux trap using MCNP 4C. Design includes fast, thermal, and pneumatic neutron irradiator assemblies.
3-D Model of Core Design
Above core design modeled in 3-D in tank water using Sabrina. (Place mouse cursor over picture to remove tank water for a better view.)
3-D Model of Core Design
Above core model without water and rotated 80º counter-clockwise.

Criticality Safety Analysis for Fuel Handling Operations
MCNP Criticality Cut-Away
Midline diagram of a fuel handling rack to test for criticality.
3-D Model of Criticality Design
Above criticality design modeled in 3-D in water using Sabrina.
3-D Model of Criticality Design
Above rack design modeled in 3-D without tank water. (Place mouse cursor over picture to remove fuel meat.)

Tank Water Flow Analysis During Reactor Operations
FLUENT Model of TRIGA Core
3-D TRIGA core model using GAMBIT.
Tank Water Current Model
Vertical velocity contours of tank water surrounding a core operating at 90 kW using FLUENT.

Linear Accelerator Beam Analysis

Scattering of an electron beam from a linear accelerator through air and incident upon a detector; modeled using Sabrina.(Place mouse cursor over picture to see beam scattering.)
Linear Accelerator Beam Scatter

 

Presentations

    • University of UTAH TRIGA Reactor High-Flux Trap Design. Bess JD., ANS Student Conference, Troy, NY; March 30 - April 1, 2006.

Publications

    • Designing a High Flux Trap in the University of Utah TRIGA Reactor. JD Bess. MS Thesis, University of Utah, December 2005.
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