Reactivity Effects of Water Ingress Into the Core of a Modular High-temperature Gas-cooled Reactor PDF Download
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Author: Robert Louis Sant
Publisher:
ISBN:
Category : Gas cooled reactors
Languages : en
Pages : 164
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Book Description
Author: Robert Louis Sant
Publisher:
ISBN:
Category : Gas cooled reactors
Languages : en
Pages : 164
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Book Description
Author: Kurt Kugeler
Publisher: Springer
ISBN: 3662577127
Category : Technology & Engineering
Languages : en
Pages : 903
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Book Description
"Modular High-temperature Gas-cooled Reactor Power Plant" introduces the power plants driven by modular high temperature gas-cooled reactors (HTR), which are characterized by their inherent safety features and high output temperatures. HTRs have the potential to be adopted near demand side to supply both electricity and process heat, directly replacing conventional fossil fuels. The world is confronted with two dilemmas in the energy sector, namely climate change and energy supply security. HTRs have the potential to significantly alleviate these concerns. This book will provide readers with a thorough understanding of HTRs, their history, principles, and fields of application. The book is intended for researchers and engineers involved with nuclear engineering and energy technology.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Inadvertent admission of moisture into the primary system of a modular high-temperature gas-cooled reactor has been identified in US Department of Energy-sponsored studies as an important safety concern. The work described here develops an analytical methodology to quantify the pressure and reactivity consequences of steam-generator tube rupture and other moisture-ingress-related incidents. Important neutronic and thermohydraulic processes are coupled with reactivity feedback and safety and control system responses. The rate and magnitude of steam buildup are found to be dominated by major system features such as break size compared with safety valve capacity and reliability and less sensitive to factors such as heat transfer coefficients. The results indicate that ingress transients progress at a slower pace than previously predicted by bounding analyses, with milder power overshoots and more time for operator or automatic corrective actions.
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 782
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Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 848
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Book Description
Author: Philip Andrew Hopkins
Publisher:
ISBN:
Category :
Languages : en
Pages : 82
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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A rapid water ingress transient, resulting from steam generator tube or tube-sheet failures, could lead to a reactivity insertion and core heatup in the Modular High Temperature Gas-Cooled Reactors. This paper considers the effect of hypothetical rapid and severe water ingress scenarios of extremely low probability, and assesses the effect of such transients on potentially excessive fuel temperatures and subsequent fuel failures. The results indicate that for the worst postulated scenarios the conservatively set limiting fuel temperature of 1600°C is indeed exceeded, but only for a few seconds, and then only in a small fraction of the core. Therefore, it appears that even the most severe and rapid water ingress transients would not lead to significant fuel failures. Parametric variations of the key variables indicate that the reactivity worth of water and the fuel thermal properties must be established with high confidence as the design progresses. 7 refs., 11 figs., 3 tabs.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1592
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Book Description
Author: American Nuclear Society. Thermal Hydraulics Division. Meeting
Publisher:
ISBN:
Category : Nuclear reactors
Languages : en
Pages : 828
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Author:
Publisher:
ISBN:
Category : Power (Mechanics)
Languages : en
Pages : 900
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Book Description
