Thermal Fluids Simulation Near Wall of Pebble Bed Reactor
2020-05-01
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Thermal Fluids Simulation Near Wall of Pebble Bed Reactor
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2020-05-01
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The goal of this research was to make a fluid model of coolant flowing past a fuel pebble near the reactor wall. The coolant was Helium (He4) and the fuel pebble was a TRISO pebble. Four studies were conducted in this research project, a meshing study, turbulent intensity study, pebble movement study and a heat generation study. The meshing, turbulent intensity and pebble movement studies worked in conjunction to calibrate the drag force and Reynolds numbers to within 1 percent of analytical calculations. The final study was a pebble heat generation study that discovered the amount of temperature increase in the pebble and the shear forces on the pebble. The pebbles temperature was increased by 1.21 K while generating 9.833 W/m^3 at a fluid temperature of 773.15 K.
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Mechanical Engineering in Swenson College of Science and Engineering
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University of Minnesota's Undergraduate Research Opportunities Program
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Glenna, Drew M. (2020). Thermal Fluids Simulation Near Wall of Pebble Bed Reactor. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/213036.
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