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Title:Neutronics and thermal-hydraulics analysis of transatomic power molten salt reactor (TAP MSR) core under load following operations
Author(s):Lee, Alvin J.H.
Advisor(s):Kozlowski, Tomasz
Contributor(s):Huff, Kathryn D
Department / Program:Nuclear, Plasma, & Rad Engr
Discipline:Nuclear, Plasma, Radiolgc Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):Multiphysics
Thermal Hydraulics
Neutronics
Moltres
Transatomic Power
Molten Salt Reactor
Transient
Load Following
Salt Proc
MEITNER
Abstract:This work analyzed the neutronics and thermal-hydraulics behavior of the Transatomic Power Molten Salt Reactor (TAP MSR) core under load-following operations using a Monte Carlo code, Serpent 2, as well as a UIUC-developed MOOSE-based code, Moltres. A simulation method was developed to determine the operational bounds of the TAP MSR core and its transient behavior under rapid power ramps using both fresh fuel salt and fuel salt with equilibrium 135Xe. The thermal-hydraulics investigation studied the potential of exceeding material temperature constraints under simple advection flow versus a flow simulated with Incompressible Navier-Stokes physics. Finally, the effects of gas entrainment on the reactor core behavior were investigated. This study concludes that the TAP MSR core is able to perform rapid load following operations without exceeding its thermal safety constraints. The findings in this work were derived from research performed under the DOE ARPA-E MEITNER project, DE-AR0000983.
Issue Date:2020-12-07
Type:Thesis
URI:http://hdl.handle.net/2142/109415
Rights Information:Copyright 2020 by Alvin J.H. Lee. All rights reserved.
Date Available in IDEALS:2021-03-05
Date Deposited:2020-12


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