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OECD/NEA Burnup Credit Criticality Benchmark, Analysis of Phase II-B Results: Conceptual PWR Spent Fuel Transportation Cask

OECD/NEA Burnup Credit Criticality Benchmark, Analysis of Phase II-B Results: Conceptual PWR Spent Fuel Transportation Cask

Author(s)
Nouri, A.
Publication Date
The OECD/NEA “Burn-up Credit Criticality Benchmark” working group has studied the effect of axial burn-up profile on the criticality of a realistic PWR spent fuel transport cask (Phase II-B). The final results of this benchmark are presented and analysed in this report. Nine basic cases and two additional accident configurations were considered with the following varying parameters: burn-up (0 GWd/t for fresh fuel, 30 and 50 GWd/t), fuel composition (actinides only and actinides with fifteen fission products), axial burn-up discretisation (1 or 9 zones).
criticality pwr fuel transport cask end effect source convergence burnup axial burnup profile

EPRI Review of Geologic Disposal for Used Fuel and High-Level Radioactive Waste: Volume III --Review of National Repository Programs

EPRI Review of Geologic Disposal for Used Fuel and High-Level Radioactive Waste: Volume III --Review of National Repository Programs

Author(s)
Electric Power Research Institute
Publication Date

The effective termination of the Yucca Mountain program by the U.S. Administration in 2009
has left the U.S. program for management of used fuel and high level radioactive waste (HLW)
in a state of uncertainty. In concert with this major policy reset and in response to the resulting
policy vacuum, the President directed the Energy Secretary to establish the Blue Ribbon
Commission on America’s Nuclear Future (BRC) “…to conduct a comprehensive review of
policies for managing the back end of the nuclear fuel cycle and to provide recommendations for

disposal yucca mountain repository deep geological disposal international hlw repository programs waste management used fuel spent nuclear fuel high level radioactive waste (hlw) hlw repository

Letter from the BRC to the Members of the South Carolina Congressional Delegation

Letter from the BRC to the Members of the South Carolina Congressional Delegation

Author(s)
Blue Ribbon Commission
Publication Date

Dear Members of the South Carolina Congressional Delegation:
Thank you all for your letter of October 27th. We appreciate hearing your views on the
Yucca Mountain project, the safety benefits of deep geologic disposal, and the
importance of the retaining the H Canyon facility at the Department of Energy’s
Savannah River Site.
In our draft report, the Commission finds that deep geologic disposal is an essential
component of a comprehensive nuclear waste management system. Your comments

deep geological disposal blue ribbon commission savannah river site

Standards & Regulations for the Geologic Disposal of Spent Nuclear Fuel and High-Level Waste

Standards & Regulations for the Geologic Disposal of Spent Nuclear Fuel and High-Level Waste

Author(s)
Rodney C. Ewing
Publication Date

This paper draws on my experience as a reviewer of the scientific programs and performance assessments of the geological repository for transuranic waste at the Waste Isolation Pilot Plant in New Mexico and the proposed repository for spent nuclear fuel and high-level waste at Yucca Mountain in Nevada. In addition, I have served on numerous committees of the National Research Council that have addressed many aspects of nuclear waste management.

disposal high level waste spent fuel yucca mountain repository deep geological disposal wipp blue ribbon commission used fuel

PWR Axial Burnup Profile Analysis

PWR Axial Burnup Profile Analysis

Author(s)
OCRWM
Publication Date

The purpose of this activity is to develop a representative “limiting” axial burnup profile for pressurized water reactors (PWRs), which would encompass the isotopic axial variations caused by different assembly irradiation histories, and produce conservative isotopics with respect to criticality. The effect that the low burnup regions near the ends of spent fuel have on system reactivity is termed the “end-effect”. This calculation will quantify the end-effects associated with Pressurized Water Reactor (PWR) fuel assemblies emplaced in a hypothetical 21 PWR waste package.

criticality commercial spent nuclear fuel end effect storage axial burnup profile isotopic concentrations 21 pwr waste package pwr snf cal-dsu-nu-000012

BWR Axial Profile

BWR Axial Profile

Author(s)
OCRWM
Publication Date

The purpose of this calculation is to develop axial profiles for estimating the axial variation in burnup of a boiling water reactor (BWR) assembly spent nuclear fuel (SNF) given the average burnup of an assembly. A discharged fuel assembly typically exhibits higher burnup in the center and lower burnup at the ends of the assembly. Criticality safety analyses taking credit for SNF burnup must account for axially varying burnup relative to calculations based on uniformly distributed assembly average burnup due to the under-burned tips.

criticality end effect axial burnup profile bwr snf cal-dsu-nu-000005

SCOPING STUDY OF SALT DOMES, BASALTS AND CRYSTALLINE ROCK AS RELATED TO LONG TERM RISK MODELING FOR DEEP GEOLOGIC DISPOSAL OF NUCLEAR WASTE

SED Publication Type

SCOPING STUDY OF SALT DOMES, BASALTS AND CRYSTALLINE ROCK AS RELATED TO LONG TERM RISK MODELING FOR DEEP GEOLOGIC DISPOSAL OF NUCLEAR WASTE

Author
Golder Associates, CONSULTING MINING AND GEOTECHNICAL ENGINEERS
Publication Date

The purpose of this study is to provide a preliminary geotechnical data base sufficient to initiate the development of Long-Term Risk Models (LTRM), for salt domes, basalt and crystalline rock, and identify technical issues requiring additional investigation.

deep geological disposal siting geo-technical salt domes basalt crystalline rock risk models

Radioactive Waste Management Programmes in OECD/NEA Member Countries: Sweden

SED Publication Type

Radioactive Waste Management Programmes in OECD/NEA Member Countries: Sweden

Author
Organization for Economic Cooperation and Development/Nuclear Energy Agency
Publication Date

Summary of radioactive waste and management programs in Sweden, including national nuclear energy context; sources, types, and quantities of waste; radioactive waste management policies and programs; research and development; decommissioning and dismantling policies and projects; transport; authorities and implementing organizations; financing; and public information.

disposal deep geological disposal financing civilian radioactive waste management program research and development

Dossier 2005: ANDRA Research on the Geological Disposal of High-Level Long-Lived Radioactive Waste: Results and Perspectives

SED Publication Type

Dossier 2005: ANDRA Research on the Geological Disposal of High-Level Long-Lived Radioactive Waste: Results and Perspectives

Author
ANDRA
Publication Date

A report documenting ANDRA's research on deep disposal of radioactive waste, examining both clay and granite formations.

deep geological disposal research and development
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