... Accession Number : ADA031665. Title : Phenomenology of LNG Accidents - A Selected Bibliography. Descriptive Note : Rept. for 1965-Sep 74,. ...
DTIC Science & Technology
The National Highway Traffic Safety Administration (NHTSA) estimates that the total economic cost to society of motor vehicle accidents was $74.2 billion in 1986. Included in the loss are medical costs, productivity losses, property damage, legal and cour...
National Technical Information Service (NTIS)
This paper describes the major aspects of tritium dispersion phenomenology, summarizes deposition attributes of the computer models used in the DOE Complex for tritium dispersion, and recommends an approach to account for deposition in accident analysis.
DOE Information Bridge
The report covers an accident delineation study undertaken to organize and evaluate the available information concerning LMFBR accident sequences and to identify key phenomenological and system-response uncertainties. The study can help provide a basis fo...
Sandia National Laboratories is conducting, under USNRC sponsorship, phenomenological research related to the safety of commercial nuclear power reactors. The research includes experiments to simulate the phenomenology of the accident conditions and the d...
This bibliography is the result of a request by four researchers of The Rand Corporation. It covers the chemical, physical, and environmental aspects of liquified natural gas and its transportation.
on their observations in ancient Babylonia, Egypt and China. It was no accident that the famous phenomenological theory winter day of 1948, but I came very poorly dressed. In turn, I was surprised by the absence of furniture
E-print Network
Sandia National Laboratories is participating in several NRC-sponsored programs to study severe accident phenomenology. Part of that effort involves the combined use of the computer codes MARCH and HECTR to examine hydrogen behavior during severe accident...
Information is presented concerning the inherent retention of core debris following a severe reactor accident; containment analysis for LWR and LMFBR type reactors; LMFBR accident delineation; advanced reactor core phenomenology; LWR damaged fuel phenomenology; and ACRR status.
Energy Citations Database
Severe accident management can be defined as the use of existing and/or alternative resources, systems and actions to prevent or mitigate a core-melt accident. For each accident sequence and each combination of strategy, there may be several options available to the operator; and each involves phenomenological and ...
Severe accident management can be defined as the use of existing and/or alternative resources, systems and actions to prevent or mitigate a core-melt accident. For each accident sequence and each combination of strategies there may be several options available to the operator; and each involves phenomenological and ...
Event trees have been constructed for all phases of LMFBR accidents. The trees proved useful for identifying meaningful initiating accident categories and containment responses. In these areas, quantification appears feasible, given an adequate data base. Event trees were also used to represent in-core phenomenological questions ...
This chapter discusses the development of current state-of-the-art computational methods used in the United States for analysis of core meltdown accidents (Hypothetical Core Disruptive Accidents) in LMFBRs. The emphasis is on the phenomenological basis and numerical methods of the codes SAS, VENUS-II, SIMMER, and REXCO.
An evaluation of core meltdown accidents in the Z/IP facilities has been performed. Containment event trees have been developed to relate the progression of a given accident to various potential containment building failure modes. An extensive uncertainty analysis related to core melt phenomenology has been performed. A major ...
The research includes experiments to simulate the phenomenology of the accident conditions and the development of analytical models, verified by experiment, which can be use to predict reactor and safety systems performance and behavior under abnormal con...
The Reactor Safety Study Methodology Applications Program (RSSMAP) conducted risk analyses of four light water reactors. The plants studied were each designed by a different US reactor vendor and are enclosed within three different containment types. Thes...
Vulnerabilities of an ice-condenser containment to challenges that could arise from severe accidents have been assessed. The phenomenological issues associated with containment challenges have been evaluated. A number of containment improvements which hav...
As a result of the Commissariat a l'Energie Atomique CRAC experimental program, which studied the phenomenology and the radiological consequences of a criticality excursion in fissile solution, the EDAC system has been developed. This system detects a criticality accident and warns personnel as early as possible by triggering the necessary ...
Due to the government requirements severe accident mitigating measures were implemented at Barseback nuclear power plant in 1985 and at the other Swedish nuclear power plants in 1988. For the latter plants these measures included protection against early containment impairment, highly redundant containment spray and filtered venting of the containment. ...
Physical processes are investigated that lead to the thermal equilibration of a disrupted liquid metal fast breeder reactor (LMFBR) core following a hypothetical core-disruptive accident (HCDA). Their impact is assessed, particularly as relating to the SIMMER code. The turbulent structure in the core region is characterized and bounding estimates are derived of thermal ...
Accident analysis for U.S. Department of Energy (DOE) nuclear facilities is an integral part of the overall safety basis developed by the contractor to demonstrate facility operation can be conducted safely. An appropriate documented safety analysis for a facility discusses accident phenomenology, quantifies source terms arising from ...
The purpose of this study is to provide a parametric framework for characterization of flow and heat transfer regimes and their associated phenomenological uncertainties following severe accidents using a two dimensional, heterogenous, porous media formulation. This approach extends the understanding of buoyancy-induced flow characteristics in the ...
This paper describes an approach to identifying source terms from possible accidents during the preclosure phase of a high-level nuclear waste repository. A review of the literature on repository safety analyses indicated that source term estimation is in a preliminary stage, largely based on judgement-based scoping analyses. The approach developed here was to partition the ...
Recent US Department of Energy plans to construct a Heavy Water Reactor for the production of defense nuclear materials have created a unique opportunity to explore ways to mitigate severe accident concerns in the design stage. Drawing on an extensive background in USNRC-sponsored severe accident work, Sandia National Laboratories has been exploring a ...
The technology of thermal hydraulic aspects of the transition phase accident sequence in liquid metal fast breeder reactors has been reviewed. Previous analyses of the transition phase accident sequence have been reviewed and the current understanding of major thermal hydraulic phenomenology has been assessed. As a result of the ...
Phenomenological aspects of a fuel vapor bubble formed in the sodium pool in a hypothetical severe accident are considered. The potential for fuel bubble collapse in the sodium pool is analyzed. It appears that for a wide range of hypothetical LMFBR accidents involving core vaporization, the fuel vapor bubble would likely be quenched ...
This study aimed to explore the process of posttraumatic growth of injured patients after a motor vehicle accident in China. Semi-structured interviews were conducted with six patients. Transcripts were analyzed using interpretative phenomenological analysis. Four main super-ordinate themes emerged: construction of meaning; perception of self; perception ...
PubMed
The objectives of this work were to evaluate the consequences of a postulated accident to onsite security personnel stationed near the facility during operations of the Godiva IV critical assembly and to identify controls needed to protect these personnel in case of an extreme criticality excursion equivalent to the design-basis accident (DBA). This paper ...
Sandia National Laboratories is participating in several NRC-sponsored programs to study severe accident phenomenology. Part of that effort involves the combined use of the computer codes MARCH and HECTR to examine hydrogen behavior during severe accidents. These codes have been applied to an ice-condenser containment. Results indicate ...
Vulnerabilities of an ice-condenser containment to challenges that could arise from severe accidents have been assessed. The phenomenological issues associated with containment challenges have been evaluated. A number of containment improvements which have the potential to mitigate severe accident challenges have been evaluated. This ...
administrative Parc naturel r�gional Parc p�riurbain � sauvage � Parc urbain � ordr� � #12;21 Cours ENAC 2007
We present a new generalized model for the diagnosis and prediction of accidents among the Spanish workforce. Based on observational data of the accident rate in all Spanish companies over eleven years (7,519,732 accidents), we classified them in a new risk-injury contingency table (19�19). Through correspondence analysis, we ...
... Title : PHENOMENOLOGY AND INTERPRETATION OF THE BARKHAUSEN EFFECT IN FERROMAGNETIC MATERIALS (INVITED). ...
The methodological framework and program plan for systematic quantification and propagation of uncertainties in radiological source terms for light water reactors are presented. The QUASAR methodology is based on detailed sensitivity analysis of the Source Term Code Package (STCP), followed by a systematic uncertainty analysis on the most sensitive parameters/variables, and ...
A probabilistic risk assessment (PRA) was conducted for a loss of coolant accident, (LOCA) in the McMaster Nuclear Reactor (MNR). A level 1 PRA was completed including event sequence modeling, system modeling, and quantification. To support the quantification of the accident sequence identified, data analysis using the Bayesian method and human reliability ...
NASA Astrophysics Data System (ADS)
A design study of a new in-pile experimental reactor, SERAPH (Safety Engineering Reactor for Accident Phenomenology), for FBR safety research has progressed at JNC (Japan Nuclear Cycle Development Institute). SERAPH is intended for various in-pile experim...
Venting of boiling water reactors with Mark-I containments has been suggested as a way to prevent catastrophic failure and/or mitigate the consequences resulting from a severe accident. Based on phenomenological, human factors, and risk considerations, th...
Internal fuel motion in annular fuel during hypothetical LMFBR accidents has been postulated as an inherent safety shutdown mechanism. In this study, the recently-developed FUMO-E code was used to analyze the PINEX-2 and PINEX-3 transient overpower (TOP) ...
Separate abstracts are included for 58 papers concerning single-phase flow and sodium boiling; sodium boiling and subassembly flow blockages; transient-overpower and loss-of-flow experiments; fuel and cladding behavior and relocation; fuel and cladding freezing; molten-fuel-coolant interaction; aerosols and fission product release, and post-accident heat removal. Thirteen ...
A computer program modelling the interaction between molten core materials and structural concrete is being developed to provide a capability for making quantitative estimates of reactor fuel-melt accidents. The principal phenomenological models, inter-component heat transfer, concrete erosion, and melt/gas chemical reactions, are described. A code test ...
... tTS OF RELIABILITY A!D ?MAINTATINABILITY; Course Book, US Army -.sanaaement Ensrineerinp, Training_ Agency Cour-e Book; Rock Island ...
... Title : Investigation of the Phenomenology of the Arctic Ionosphere and Its Relation to the Phenomenology of Arctic Particle Precipitation. ...
A framework for examining whole-core accident phenomena during the time interval beginning with loss-of-intact geometry up to the time of post-accident heat removal is presented in terms of four distinct stages of disruption: (1) disruption initiation, (2) meltout stage, (3) integral pool stage, and (4) termination stage. Each of the ...
Severe-accident management can be defined as the use of existing and or alternative resources, systems, and actions to prevent or mitigate a core-melt accident. Together with risk management (e.g., changes in plant operation and/or addition of equipment) and emergency planning (off-site actions), accident management provides an ...
Over the last decade, substantial development and progress has been made in the understanding of the nature of severe accidents and associated fission product release and transport. As part of this continuing effort, the United States Nuclear Regulatory Commission (USNRC) sponsored the development of the Source Term Code Package (STCP), which models core degradation, fission ...
This report presents the thermal-hydraulic design criteria (THDC) developed for the tungsten neutron source (TNS). The THDC are developed for the normal operations, operational transients, and design-basis accidents. The requirements of the safety analyses are incorporated into the design criteria, consistent with the integrated safety management and the safety-by-design ...
