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Autonomous Reactivi...
Autonomous Reactivity Control (ARC) - Principles, geometry and design process
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- Qvist, Staffan A. (författare)
- Uppsala universitet,Tillämpad kärnfysik
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- Hellesen, Carl (författare)
- Uppsala universitet,Tillämpad kärnfysik
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- Thiele, Roman (författare)
- KTH,Reaktorteknologi,Royal Inst Technol, Div Reactor Technol, Stockholm, Sweden.
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- Dubberley, Allen E. (författare)
- Gen Elect Adv Reactor Syst Dept, Sunnyvale, CA USA.
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- Gradecka, Malwina (författare)
- Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
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- Greenspan, Ehud (författare)
- Univ Calif Berkeley, Dept Nucl Engn, Berkeley, CA 94720 USA.
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(creator_code:org_t)
- Elsevier, 2016
- 2016
- Engelska.
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Ingår i: Nuclear Engineering and Design. - : Elsevier. - 0029-5493 .- 1872-759X. ; 307, s. 249-274
- Relaterad länk:
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http://manuscript.el...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The Autonomous Reactivity Control (ARC) system was developed to ensure inherent safety performance of Generation-IV reactors while having a minimal impact on reactor performance and economic viability. Here we present in detail the principles of how the ARC system operates, what materials should be used, what components make up the system and how they are interconnected. The relevant equations regarding how to design the system for a certain response are developed and defined, and the most important aspects determining the speed of actuation of the systems are analyzed. Thus, this study serves as the general reference material for all of the fundamental principles behind the ARC idea. Finally, we present a step-by-step guide to how a fast reactor fuel subassembly with an ARC system installed would be manufactured, using a full 3D-CAD model. For an ARC installation in a 1000 MWth sodium-cooled oxide fueled fast reactor core, the system constitutes a relatively minor adjustment to a typical fuel assembly, increasing its total axial extent by similar to 5-10% and the total primary coolant pressure drop by similar to 1%. The main finding of this study is that it is possible to design, manufacture (using existing methods) and implement ARC systems in the fuel assemblies of fast reactor cores to provide inherent safety in all anticipated unprotected transients with only a modest increase in the length of the assembly and the pressure drop across the core.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Thermodynamic Properties
- Heat-Transfer
- Lithium
- System
- Region
- Metals
- Liquid
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