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Experimental and Analytic Study on the Core Bypass Flow in a Very High Temperature Reactor

Description: Core bypass flow has been one of key issues in the very high temperature reactor (VHTR) design for securing core thermal margins and achieving target temperatures at the core exit. The bypass flow in a prismatic VHTR core occurs through the control element holes and the radial and axial gaps between the graphite blocks for manufacturing and refueling tolerances. These gaps vary with the core life cycles because of the irradiation swelling/shrinkage characteristic of the graphite blocks such as … more
Date: April 1, 2012
Creator: Schultz, Richard
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

FINAL REPORT on Experimental Validation of Stratified Flow Phenomena, Graphite Oxidation, and Mitigation Strategies of Air Ingress Accidents

Description: The U.S. Department of Energy is performing research and development that focuses on key phenomena that are important during challenging scenarios that may occur in the Next Generation Nuclear Plant (NGNP)/Generation IV very high temperature reactor (VHTR). Phenomena Identification and Ranking studies to date have identified the air ingress event, following on the heels of a VHTR depressurization, as very important. Consequently, the development of advanced air ingress-related models and verifi… more
Date: January 1, 2011
Creator: Oh, Chang H.; Kim, Eung S.; NO, Hee C. & Cho, Nam Z.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Development of Improved Models and Designs for Coated-Particle Gas Reactor Fuels (I-NERI Annual Report)

Description: The objective of this INERI project is to develop improved fuel behavior models for gas reactor coated particle fuels and to develop improved coated-particle fuel designs that can be used reliably at very high burnups and potentially in fast gas-cooled reactors. Thermomechanical, thermophysical, and physiochemical material properties data were compiled by both the US and the French and preliminary assessments conducted. Comparison between U.S. and European data revealed many similarities and a … more
Date: November 1, 2002
Creator: Petti, David Andrew; Maki, John Thomas; Languille, Alain; Martin, Philippe & Ballinger, Ronald
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

U.S./EURATOM INERI - Development of Inert Matrix Fuels for Plutonium and Minor Actinide Management in LWRs -- Fuel Requirements and Down-Select Report

Description: This report documents the first milestone of the International Nuclear Energy Research Initiative (INERI) U.S./Canada Joint Proposal entitled “Development of Inert Matrix Fuels for Plutonium and Minor Actinide Management in Power Reactors.” The milestone represents the assessment and preliminary study of a variety of fuels that hold promise as transmutation and minor actinide burning fuel compositions for light water reactors. The most promising fuels of interest to the participants on this INE… more
Date: August 1, 2005
Creator: Carmack, William; Fielding, Randy; Medvedev, Pavel & Meyer, Mitch
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

AECL/U.S. INERI - Development of Inert Matrix Fuels for Plutonium and Minor Actinide Management in Power Reactors Fuel Requirements and Down-Select Report

Description: This report documents the first milestone of the International Nuclear Energy Research Initiative (INERI) U.S./Euratom Joint Proposal 1.8 entitled “Development of Inert Matrix Fuels for Plutonium and Minor Actinide Management in Light-Water Reactors.” The milestone represents the assessment and preliminary study of a variety of fuels that hold promise as transmutation and minor actinide burning fuel compositions for light-water reactors. The most promising fuels of interest to the participants … more
Date: August 1, 2005
Creator: Carmack, William; Fielding, Randy; Medvedev, Pavel & Meyer, Mitch
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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