Safety Analysis Of Enriched Uranium Processing

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Safety Analysis Of Enriched Uranium Processing

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Author : H. T. Williams
language : en
Publisher:
Release Date : 1960

Safety Analysis Of Enriched Uranium Processing written by H. T. Williams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Radiation categories.

Safety Analysis Of Enriched Uranium Processing

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Author : A. H. Chura
language : en
Publisher:
Release Date : 19??

Safety Analysis Of Enriched Uranium Processing written by A. H. Chura and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with categories.

Status Of Highly Enriched Uranium Processing Capability At Building 9212 Oak Ridge Y 12 Plant

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Author :
language : en
Publisher:
Release Date : 1996

Status Of Highly Enriched Uranium Processing Capability At Building 9212 Oak Ridge Y 12 Plant written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Government publications categories.

Enriched Uranium Processing

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Author : Finis S. Patton
language : en
Publisher:
Release Date : 1963

Enriched Uranium Processing written by Finis S. Patton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.

Criticality Safety Analysis Of Highly Enriched Uranium Storage In Steel Tubes Separated By Concrete U

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Author :
language : en
Publisher:
Release Date : 1992

Criticality Safety Analysis Of Highly Enriched Uranium Storage In Steel Tubes Separated By Concrete U written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.

Uranium Enrichment And Nuclear Weapon Proliferation

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Author : Allan S. Krass
language : en
Publisher: Routledge
Release Date : 2020-11-20

Uranium Enrichment And Nuclear Weapon Proliferation written by Allan S. Krass and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-20 with Political Science categories.

Originally published in 1983, this book presents both the technical and political information necessary to evaluate the emerging threat to world security posed by recent advances in uranium enrichment technology. Uranium enrichment has played a relatively quiet but important role in the history of efforts by a number of nations to acquire nuclear weapons and by a number of others to prevent the proliferation of nuclear weapons. For many years the uranium enrichment industry was dominated by a single method, gaseous diffusion, which was technically complex, extremely capital-intensive, and highly inefficient in its use of energy. As long as this remained true, only the richest and most technically advanced nations could afford to pursue the enrichment route to weapon acquisition. But during the 1970s this situation changed dramatically. Several new and far more accessible enrichment techniques were developed, stimulated largely by the anticipation of a rapidly growing demand for enrichment services by the world-wide nuclear power industry. This proliferation of new techniques, coupled with the subsequent contraction of the commercial market for enriched uranium, has created a situation in which uranium enrichment technology might well become the most important contributor to further nuclear weapon proliferation. Some of the issues addressed in this book are: A technical analysis of the most important enrichment techniques in a form that is relevant to analysis of proliferation risks; A detailed projection of the world demand for uranium enrichment services; A summary and critique of present institutional non-proliferation arrangements in the world enrichment industry, and An identification of the states most likely to pursue the enrichment route to acquisition of nuclear weapons.

Conversion Preliminary Safety Analysis Report For The Nist Research Reactor

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Author :
language : en
Publisher:
Release Date : 2015

Conversion Preliminary Safety Analysis Report For The Nist Research Reactor written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

The NIST Center for Neutron Research (NCNR) is a reactor-laboratory complex providing the National Institute of Standards and Technology (NIST) and the nation with a world-class facility for the performance of neutron-based research. The heart of this facility is the NIST research reactor (aka NBSR); a heavy water moderated and cooled reactor operating at 20 MW. It is fueled with high-enriched uranium (HEU) fuel elements. A Global Threat Reduction Initiative (GTRI) program is underway to convert the reactor to low-enriched uranium (LEU) fuel. This program includes the qualification of the proposed fuel, uranium and molybdenum alloy foil clad in an aluminum alloy, and the development of the fabrication techniques. This report is a preliminary version of the Safety Analysis Report (SAR) that would be submitted to the U.S. Nuclear Regulatory Commission (NRC) for approval prior to conversion. The report follows the recommended format and content from the NRC codified in NUREG-1537, "Guidelines for Preparing and Reviewing Applications for the Licensing of Non-power Reactors," Chapter 18, "Highly Enriched to Low-Enriched Uranium Conversions." The emphasis in any conversion SAR is to explain the differences between the LEU and HEU cores and to show the acceptability of the new design; there is no need to repeat information regarding the current reactor that will not change upon conversion. Hence, as seen in the report, the bulk of the SAR is devoted to Chapter 4, Reactor Description, and Chapter 13, Safety Analysis.

Low Enriched Uranium High Density Target Project Compendium Report

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Author :
language : en
Publisher:
Release Date : 2016

Low Enriched Uranium High Density Target Project Compendium Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

At present, most 99Mo is produced in research, test, or isotope production reactors by irradiation of highly enriched uranium targets. To achieve the denser form of uranium needed for switching from high to low enriched uranium (LEU), targets in the form of a metal foil (~125-150 μm thick) are being developed. The LEU High Density Target Project successfully demonstrated several iterations of an LEU-fission-based Mo-99 technology that has the potential to provide the world's supply of Mo-99, should major producers choose to utilize the technology. Over 50 annular high density targets have been successfully tested, and the assembly and disassembly of targets have been improved and optimized. Two target front-end processes (acidic and electrochemical) have been scaled up and demonstrated to allow for the high-density target technology to mate up to the existing producer technology for target processing. In the event that a new target processing line is started, the chemical processing of the targets is greatly simplified. Extensive modeling and safety analysis has been conducted, and the target has been qualified to be inserted into the High Flux Isotope Reactor, which is considered above and beyond the requirements for the typical use of this target due to high fluence and irradiation duration.

Fuel Handling Accident Analysis For The University Of Missouri Research Reactors High Enriched Uranium To Low Enriched Uranium Fuel Conversion Initiative

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Author : Benjamin Rickman
language : en
Publisher:
Release Date : 2015

Fuel Handling Accident Analysis For The University Of Missouri Research Reactors High Enriched Uranium To Low Enriched Uranium Fuel Conversion Initiative written by Benjamin Rickman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.

In accordance with the 1986 amendment concerning licenses for research and test reactors, the MU Research Reactor (MURR) is planning to convert from using High-Enriched Uranium (HEU) fuel to the use of Low-Enriched Uranium (LEU) fuel. Since the approval of a new LEU fuel that could meet the MURR's per- formance demands, the next phase of action for the fuel conversion process is to create a new Safety Analysis Report (SAR) with respect to the LEU fuel. A component of the SAR includes the Maximum Hypothetical Accident (MHA) and accidents that qualify under the class of Fuel Handling Accidents (FHA). In this work, the dose to occupational staat the MURR is calculated for the FHAs. The radionuclide inventory for the proposed LEU fuel was calculated using the ORIGEN2 point-depletion code linked to the MURR neutron spectrum. The MURR spectrum was generated from a Monte Carlo Neutron transPort (MCNP) simulation. The coupling of these codes create MONTEBURNS, a time-dependent burnup code. The release fraction from each FHA within this analysis was estab- lished by the methodology of the 2006 HEU SAR, which was accepted by the NRC. The actual dose methodology was not recorded in the HEU SAR, so a conservative path was chosen. In compliance to NUREG 1537, when new methodology is used in a HEU to LEU analysis, it is necessary to re-evaluate the HEU accident. The Total Eective Dose Equivalent (TEDE) values were calculated in addi- tion to the whole body dose and thyroid dose to operation personnel. The LEU FHA occupational TEDE dose was 349 mrem which is under the NRC regula- tory occupational dose limit of 5 rem TEDE, and under the LEU MHA limit of 403 mrem. The re-evaluated HEU FHA occupational TEDE dose was 235 mrem,which is above the HEU MHA TEDE dose of 132 mrem. Since the new method- ology produces a dose that is larger than the HEU MHA, we can safely assume that it is more conservative than the previous, unspecied dose.

Low Enriched Uranium Fuel Conversion And Fuel Shipping Guide

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Author :
language : en
Publisher:
Release Date : 1997

Low Enriched Uranium Fuel Conversion And Fuel Shipping Guide written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

The analysis of reactor core physics and thermal hydraulics was completed in 1993. A supplement to the Final Safety Analysis Report describing the results of these analyses was submitted to the Nuclear Regulatory Commission along with proposed Technical Specifications in May, 1993. Discussions with the NRC staff led to a submittal of revised proposed Technical Specifications in February, 1994. The analytical work is complete. A second portion of the grant was to develop a fuel shipping guide for university research reactors. Such a guide was developed and is available for use by the research reactor community.