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Engineering    2017, Vol. 3 Issue (4) : 518 -526
Research |
Computational Tools for the Integrated Design of Advanced Nuclear Reactors
Nicholas W. Touran,John Gilleland(),Graham T. Malmgren,Charles Whitmer,William H. Gates III
TerraPower, LLC, Bellevue, WA 98005, USA

Advanced nuclear reactors offer safe, clean, and reliable energy at the global scale. The development of such devices relies heavily upon computational models, from the pre-conceptual stages through detailed design, licensing, and operation. An integrated reactor modeling framework that enables seamless communication, coupling, automation, and continuous development brings significant new capabilities and efficiencies to the practice of reactor design. In such a system, key performance metrics (e.g., optimal fuel management, peak cladding temperature in design-basis accidents, levelized cost of electricity) can be explicitly linked to design inputs (e.g., assembly duct thickness, tolerances), enabling an exceptional level of design consistency. Coupled with high-performance computing, thousands of integrated cases can be executed simultaneously to analyze the full system, perform complete sensitivity studies, and efficiently and robustly evaluate various design tradeoffs. TerraPower has developed such a tool—the Advanced Reactor Modeling Interface (ARMI) code system—and has deployed it to support the TerraPower Traveling Wave Reactor design and other innovative energy products currently under development. The ARMI code system employs pre-existing tools with strong pedigrees alongside many new physics and data management modules necessary for innovative design. Verification and validation against previous and new physical measurements, which remain an essential element of any sound design, are being carried out. This paper summarizes the integrated core engineering tools and practices in production at TerraPower.

Keywords Simulation      Nuclear energy      Electricity generation      Advanced reactor      Traveling wave reactor     
Corresponding Authors: John Gilleland   
Just Accepted Date: 03 August 2017   Issue Date: 13 September 2017
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Nicholas W. Touran
John Gilleland
Graham T. Malmgren
Charles Whitmer
William H. Gates III
Cite this article:   
Nicholas W. Touran,John Gilleland,Graham T. Malmgren, et al. Computational Tools for the Integrated Design of Advanced Nuclear Reactors[J]. Engineering, 2017, 3(4): 518 -526 .
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