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A Model Of The Los Alamos National Laboratory Plutonium Facility Ventilation System Using Melcor
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Book Synopsis A Model of the Los Alamos National Laboratory Plutonium Facility Ventilation System Using MELCOR by : Derek J. P. Gordon
Download or read book A Model of the Los Alamos National Laboratory Plutonium Facility Ventilation System Using MELCOR written by Derek J. P. Gordon and published by . This book was released on 1999 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Leak-Path Factor Analysis for the Nuclear Materials Storage Facility by :
Download or read book Leak-Path Factor Analysis for the Nuclear Materials Storage Facility written by and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leak-path factors (LPFs) were calculated for the Nuclear Materials Storage Facility (NMSF) located in the Plutonium Facility, Building 41 at the Los Alamos National Laboratory Technical Area 55. In the unlikely event of an accidental fire powerful enough to fail a container holding actinides, the subsequent release of oxides, modeled as PuO2 aerosols, from the facility and into the surrounding environment was predicted. A 1-h nondestructive assay (NDA) laboratory fire accident was simulated with the MELCOR severe accident analysis code. Fire-driven air movement along with wind-driven air infiltration transported a portion of these actinides from the building. This fraction is referred to as the leak-path factor. The potential effect of smoke aerosol on the transport of the actinides was investigated to verify the validity of neglecting the smoke as conservative. The input model for the NMSF consisted of a system of control volumes, flow pathways, and surfaces sufficient to model the thermal-hydraulic conditions within the facility and the aerosol transport data necessary to simulate the transport of PuO2 particles. The thermal-hydraulic, heat-transfer, and aerosol-transport models are solved simultaneously with data being exchanged between models. A MELCOR input model was designed such that it would reproduce the salient features of the fire per the corresponding CFAST calculation. Air infiltration into and out of the facility would be affected strongly by wind-driven differential pressures across the building. Therefore, differential pressures were applied to each side of the building according to guidance found in the ASHRAE handbook using a standard-velocity head equation with a leading multiplier to account for the orientation of the wind with the building. The model for the transport of aerosols considered all applicable transport processes, but the deposition within the building clearly was dominated by gravitational settling.
Book Synopsis Los Alamos Plutonium Facility Applied Systems Integration Project Status Report for Period Ending August 31, 1981 by :
Download or read book Los Alamos Plutonium Facility Applied Systems Integration Project Status Report for Period Ending August 31, 1981 written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The conceptual design of an on-line, near-real-time nondestructive assay instrumentation network for the Los Alamos Plutonium Facility is complete. Analysis of instrument history data indicates that the instrument certification procedures need improvement. Analysis of exhaust filter data has led to the derivation of a buildup prediction equation that is a function of throughput. This suggests that development of a generalized model is possible. A number of routine reports are now available from the Plutonium Facility/Los Alamos Safeguards System including inventories and active reports.
Book Synopsis Publications of Los Alamos Research by : Los Alamos National Laboratory
Download or read book Publications of Los Alamos Research written by Los Alamos National Laboratory and published by . This book was released on 1986 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemistry and Metallurgy Research Building Replacement Project at Los Alamos National Laboratory by :
Download or read book Chemistry and Metallurgy Research Building Replacement Project at Los Alamos National Laboratory written by and published by . This book was released on 2003 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hazards and Accident Analyses, an Integrated Approach, for the Plutonium Facility at Los Alamos National Laboratory by :
Download or read book Hazards and Accident Analyses, an Integrated Approach, for the Plutonium Facility at Los Alamos National Laboratory written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ventilation Design Modifications at Los Alamos Scientific Laboratory Major Plutonium Operational Areas by :
Download or read book Ventilation Design Modifications at Los Alamos Scientific Laboratory Major Plutonium Operational Areas written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Implementation of the DYMAC System at the New Los Alamos Plutonium Processing Facility by : John J. Malanify
Download or read book Implementation of the DYMAC System at the New Los Alamos Plutonium Processing Facility written by John J. Malanify and published by . This book was released on 1982 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Health-related Effects of Different Ventilation Rates in Plutonium Laboratories by :
Download or read book Health-related Effects of Different Ventilation Rates in Plutonium Laboratories written by and published by . This book was released on 1991 with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of the Los Alamos National Laboratory Plutonium Facility Decontamination Room by :
Download or read book Development of the Los Alamos National Laboratory Plutonium Facility Decontamination Room written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: For several years the Health Protection Group attempted to remedy the problem of a facility to adequately handle personnel plutonium contamination incidents. Through the efforts of our Quality Circle a presentation was made to management, which immediately appropriated space and funds for the construction of a complete decontamination facility. 9 refs.
Book Synopsis The View from Los Alamos by : Siegfried S. Hecker
Download or read book The View from Los Alamos written by Siegfried S. Hecker and published by . This book was released on 1990 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Los Alamos DP West Plutonium Facility Decontamination Project 1978 -1981 by : Raymond Garde
Download or read book Los Alamos DP West Plutonium Facility Decontamination Project 1978 -1981 written by Raymond Garde and published by . This book was released on 1982 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The DP West Plutonium Facility operated by the Los Alamos National Laboratory, Los Alamos, New Mexico was decontaminated between April 1978 and April 1981. The facility was constructed in 1944 to 1945 to produce plutonium metal and fabricate parts for nuclear weapons. It was continually used as a plutonium processing and research facility until mid-1978. Decontamination operations included dismantling and removing gloveboxes and conveyor tunnels; removing process systems, utilities, and exhaust ducts; and decontaminating all remaining surfaces. This report describes glovebox and conveyor tunnel separations, decontamination techniques, health and safety considerations, waste management procedures, and costs of the operation.
Book Synopsis An Assessment of the Measurement Control Program for Balances at the Los Alamos National Laboratory Plutonium Facility by : Aaron S. Goldman
Download or read book An Assessment of the Measurement Control Program for Balances at the Los Alamos National Laboratory Plutonium Facility written by Aaron S. Goldman and published by . This book was released on 1983 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surplus Plutonium Disposition (DOE/EIS-0283) for Siting, Construction and Operation of Three Facilities for Plutonium Disposition by :
Download or read book Surplus Plutonium Disposition (DOE/EIS-0283) for Siting, Construction and Operation of Three Facilities for Plutonium Disposition written by and published by . This book was released on 1999 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Risk-based Analysis for Prioritization and Processing in the Los Alamos National Laboratory 94-1 Program by :
Download or read book Risk-based Analysis for Prioritization and Processing in the Los Alamos National Laboratory 94-1 Program written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A previous report, [open-quotes]Analysis of LANL Options for Processing Plutonium Legacy Materials, [close-quotes] LA-UR-95-4301, summarized the development of a risk-based prioritization methodology for the Los Alamos National Laboratory (LANL) Plutonium Facility at Technical Area-55 (TA-55). The methodology described in that report was developed not only to assist processing personnel in prioritizing the remediation of legacy materials but also to evaluate the risk impacts of schedule modifications and changes. Several key activities were undertaken in the development of that methodology. The most notable was that the risk assessments were based on statistically developed data from sampling containers in the vault and evaluating their condition; the data from the vault sampling programs were used as the basis for risk estimates. Also, the time-dependent behavior of the legacy materials was explicitly modeled and included in the risk analysis. The results indicated that significant reductions in program risk can be achieved by proper prioritization of the materials for processing.
Book Synopsis The Evolution of Process Monitoring Flow Diagrams (PMFDs) at the Los Alamos National Laboratory Plutonium Facility by :
Download or read book The Evolution of Process Monitoring Flow Diagrams (PMFDs) at the Los Alamos National Laboratory Plutonium Facility written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Los Alamos National Laboratory 94 by :
Download or read book The Los Alamos National Laboratory 94 written by and published by . This book was released on 2004 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Special nuclear material (SNM) in the Los Alamos National Laboratory (LANL) inventory that has been declared excess to programmatic needs is comprised of a large variety of chemical and physical forms. Many of these nuclear material items have been identified by the Defense Nuclear Facilities Safety Board (DNFSB) as a potential high risk to LANL workers and have been targeted for stabilization in recommendations DNFSB 94-1 and 00-1, In addition, vault space at the LANL Plutonium Facility is at a premium due to various ongoing programmatic missions and a lack of available disposition pathways. For these reasons LANL requested, and was granted by Department of Energy (DOE), a variance to terminate safeguards on attractiveness level D SNM items meeting the variance criteria. Materials meeting these criteria have been brought from the vault to the operating floor and opened in a hood or the glovebox line. Each item is inspected by a subject matter expert to: (1) verify there is no programmatic need for the item, and (2) determine if the item should be discarded as waste or sent for recovery. Items selected for discard are inspected by waste management personnel to ensure they meet the Waste Isolation Pilot Plant (WIPP) criteria for acceptance. This includes verification of the acceptable knowledge as well as the absence of items prohibited for disposal at WIPP. The item(s) are sent to waste management for packaging and certification for final transfer to WIPP. This poster presents an overview of the LANL Plutonium Facility disposition effort and progress to date.
