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Doctor of Philosophy, Nuclear Engineering. North Carolina State University, Raleigh, NC.
- May 2022.
- Research related to unstructured mesh neutron transport methods and multiphysics modeling.
- Developed MEZCAL computer program using scalable finite element methods and exascale computing.
- Dissertation: "Multiphysics Modeling of Microreactors with Unstructured Mesh Neutron Transport and Exascale Computing Architectures."
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Master of Science, Nuclear Engineering. North Carolina State University, Raleigh, NC.
- May 2019.
- Nuclear Engineering University Program (NEUP) Fellow.
- Developed LUPINE simulation suite to simulate Sodium-cooled Fast Reactors (SFRs).
- Thesis: "Simulation of Fast Reactors with the Finite Element Method and Multiphysics Models."
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Bachelor of Science, Nuclear Engineering. North Carolina State University, Raleigh, NC.
- May 2017.
- Graduated as Valedictorian and Summa Cum Laude.
- Led senior design team. Responsible for project management and interfacing with corporate sponsor.
- Senior design project: "A Thermal Test Location in a Sodium Cooled Fast Reactor."
- Dawn, William C. "A Benchmark for Neutron Kinetics Methods in Hexagonal Geometry." Nuclear Science and Engineering, 2024. DOI:
10.1080/00295639.2024.2396173
- Dawn, William C., "Initial Validation of SIMULATE5-K and the CMS5 Reactor Modeling Suite with the SPERT-III Experiments" Proceedings of PHYSOR 2024, 2024. San Fransisco, CA. DOI: [
10.13182/PHYSOR24-43302
](https://doi.org/ 10.13182/PHYSOR24-43302) - Dawn, William C., Gerardo Grandi, and Tamer Bahadir. "Development and Benchmarking of SIMULATE5-K-VVER." Annals of Nuclear Energy (195), 2024. DOI:
10.1016/j.anucene.2023.110146
; - Dawn, William C. and Tamer Bahadir. "Development and Benchmarking of Transient Nodal Code SIMULATE5-K Neutron Kinetics Solver for VVERs and Hexagonal Geometries." Proceedings of M&C 2023, 2023. Niagara Falls, Ontario. Text.
- Dawn, William C. and Scott Palmtag. "Solving the Neutron Transport Equation for Microreactor Modeling Using Unstructured Meshes and Exascale Computing Architectures." Nuclear Science and Engineering, 2023. DOI:
10.1080/00295639.2023.2189510
- Dawn, William C. and Scott Palmtag. "A Multiphysics Simulation Suite for Liquid Metal-Cooled Fast Reactors." Annals of Nuclear Energy (159), 2021. DOI:
10.1016/j.anucene.2021.108213
- Kiefer, Timothy M., William C. Dawn, Khaldoon Al-Dawood, and Scott Palmtag. "Control Rod Modeling in Liquid Metal-Cooled Fast Reactors." Proceedings of PHYSOR 2022, 2022. Pittsburgh, PA. DOI:
10.13182/PHYSOR22-37649
- Dawn, William C. and Scott Palmtag. "Simplified Thermal Expansion Modeling for Liquid Metal-Cooled Fast Reactors." Proceedings of M&C 2021, 2021. Raleigh, NC. DOI:
10.13182/M&C21-33702
- Al-Dawood, Khaldoon A., William C. Dawn, and Scott Palmtag. "Multiphysics Simulation of Uranium-Nitride Fueled Lead-Cooled Fast Reactor" Proceedings of M&C 2021, 2021. Raleigh, NC. DOI:
10.13182/M&C21-33708
- Palmtag, Scott, William C. Dawn, and Chase Lawing. "Fast Reactor Depletion Methods in LUPINE" Proceedings of M&C 2021, 2021. Raleigh, NC. DOI:
10.13182/M&C21-33880
- Dawn, William C. and Scott Palmtag. "A Multiphysics Simulation Suite for Sodium Cooled Fast Reactors." Proceedings of PHYSOR, 2020. Cambridge, UK. EPJ Web Conf, 2021. DOI:
10.1051/epjconf/202124706019
- Dawn, William C., Javier Ortensi, Mark D. Dehart, and Scott P. Palmtag. "Comparison of Generation of Higher-Order Neutron Scattering Cross Sections." Idaho National Laboratory, 2020. INL/EXT-19-54899. Tech. Report. DOI:
10.2172/1593864
- Dawn, William C. "An Analytic Benchmark for the Solution to the Isotopic Fission Spectrum Mixture Problem." Idaho National Laboratory, 2020. INL/EXT-19-54998. Tech. Report. DOI:
10.2172/1593873
- "Intermixing Feedwater Sparger Nozzles and Methods for using the Same in Nuclear Reactors." US10566097B2.
- "Acoustic Flowmeters and Methods of Using Same." US10650931B2.
- "Systems and Methods for Airflow Control in Reactor Passive Decay Heat Removal." US10937557B2.
- Dawn, William C. and Scott Palmtag. "Multiphysics Modeling of Microreactors with Unstructured Mesh Neutron Transport and Exascale Computing Architectures." NEDAC Poster Session (2022). Raleigh, NC. DOI:
10.13140/RG.2.2.29283.22567
- Dawn, William C. "MC2 for High Energy Neutron Cross Sections in MPACT for Molten Salt Fueled Reactors." ORNL NESLS Intern Poster Session (2017). Oak Ridge, TN.
- Dawn, William C. and Scott P. Palmtag. "Increasing Computational Efficiency of Fluid Property Calculations in CTF." Office of Undergraduate Research Symposium (2017). Raleigh, NC.
- Dawn, William C., Rebeka S. Gottfried, Matthew T. Ingram, Zachary D. Morey, and Charles W. Tait. "A Thermal Test Location in a Sodium Cooled Fast Reactor." Office of Undergraduate Research Symposium (2017). Raleigh, NC.
- Awarded Sigma Xi Best Undergraduate Engineering Poster.
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Senior Nuclear Engineer. Studsvik Scandpower, Inc. Idaho Falls, ID.
- May 2022 - Present.
- SIMULATE5/SIMULATE5-K developer.
- Implemented and benchmarked SIMULATE5-K-VVER for modeling transients in VVER-1000s and VVER-440s.
- Developed internal tools for software testing and project management.
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NEUP Intern. Idaho National Laboratory. Idaho Falls, ID.
- May 2019 - August 2019.
- Added fast neutron cross section library capabilities to RattleSNake neutron transport code.
- Used RattleSNake to investigate effects of higher-order neutron scattering in fast reactor systems.
- Implemented isotopic fission spectrum mixture into RattleSNake.
- Authored two technical reports related to work:
- "Comparison of Higher-Order Neutron Scattering Cross Sections" (INL/EXT-19-54899)
- "An Analytic Benchmark for the Solution to the Isotopic Fission Spectrum Mixture Problem" (INL/EXT-19-54998)
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CASL Graduate Assistant. Consortium for Advanced Simulation of LWRs (CASL). Raleigh, NC.
- May 2018 - August 2019.
- Developed lesson and lectured on CTF-MPACT coupling and use for practical reactor designs.
- Provided technical experience and IT support for student reactor design simulations.
- Contributed to logistical planning for CASL Institute.
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NESLS Engineering Intern. Oak Ridge National Laboratory. Oak Ridge, TN.
- May 2017 - August 2017.
- Added fast neutron cross section library capabilities to MPACT neutron transport code via ISOTXS file reader.
- Simulated fast neutron chloride molten salt reactor in steady-state and depletion simulations.
- Developed molten salt reactor models in MPACT, MCNP, and Serpent.
- Proficient in large project coding and source control with git.
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CASL Undergraduate Research Scholar. Consortium for Advanced Simulation of LWRs (CASL). Raleigh, NC.
- August 2015 - May 2017.
- Reduced computing time by 30% by improving steam tables in CTF.
- Performed code comparisons to verify simulation results in MCNP and MPACT.
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Edison Engineering Intern -- PRISM. GE Hitachi Nuclear Energy LLC. Wilmington, NC.
- May 2016 - August 2016.
- Drafted and submitted journal article "PRISM Reference Fuel Design."
- Awarded two patents relating to ESBWR and one patent related to PRISM.
- Developed PRISM General Description Book and prepared public-facing documents for a general audience.
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Edison Engineering Intern -- LOCA & Containment. GE Hitachi Nuclear Energy LLC. Wilmington, NC.
- May 2015 - August 2015.
- Analyzed reactor transients using TRACG to support 10% power uprate.
- Created automated data visualization and animation packages using MATLAB.
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Licensed Reactor Operator. NCSU PULSTAR Research Reactor. Raleigh, NC.
- Licensed by Nuclear Regulatory Commission (NRC) to operate all controls at NCSU reactor facility.
- Experienced in startup, operation, and troubleshooting on 1 MW research reactor.
- Coding Languages: Fortran, C++, C, Python, MATLAB, LaTeX.
- Simulation Packages: MFEM, DIF3D, MC2, REBUS, MCNP, Serpent, MPACT, CTF.
- Alan F. Henry/Paul A. Greebler -- American Nuclear Society Scholarship (2021).
- College of Engineering Master's Scholar of the Year (2019).
- Nuclear Engineering University Program (NEUP) Fellowship (2017--2020).
- Fully funded for three years of graduate school.
- Nationally recognized Department of Energy (DOE) fellowship.
- Nuclear Engineering University Program (NEUP) Undergraduate Scholarship (2014--2017).
- College of Engineering Outstanding Senior Award for Scholarly Achievement Nominee (2017).
- Awarded Sigma Xi Best Undergraduate Engineering Poster for "A Thermal Test Location in a Sodium Cooled Fast Reactor" (2017).
- American Nuclear Society Scholarship (2014--2018).
- Eagle Scout (2012).
- Student Program Co-Chair at ANS M&C 2021 conference.
- Planning committee for upcoming fuel management conference.