- Author
-
Iqbal, N.
|
Salley, M. H.
- Title
- Fire Dynamics Tools (FDTs) Quantitative Fire Hazard Analysis Methods for the U.S. Nuclear Regulatory Commission Fire Protection Inspection Program. Final Report.
- Coporate
- U.S. Nuclear Regulatory Commission, Washington, DC
- Report
-
NUREG-1805,
December 2004,
1016 p.
- Book or Conf
- Fire Dynamics Tools (FDTs) Quantitative Fire Hazard Analysis Methods for the U.S. Nuclear Regulatory Commission Fire Protection Inspection Program. Final Report,
U.S. Nuclear Regulatory Commission, Washington, DC,
2004
- Keywords
-
fire hazard analysis
|
nuclear power plants
|
fire protection
|
ventilation
|
high temperature gases
|
smoke layers
|
room fires
|
combustion
|
pool fires
|
heat release rate
|
flame height
|
walls
|
corners
|
heat flux
|
fuels
|
ignition time
|
steel structures
|
smoke
|
cable trays
|
combustibles
|
temperature
|
fire plumes
|
sprinklers
|
response time
|
smoke detectors
|
heat detectors
|
compartments
|
flashover
|
pressure rise
|
explosions
|
hydrogen gas
|
fire resistance
|
visibility
- Identifiers
- predicting hot gas layer temperature and smoke layer height in a room fire with natural and forced ventilation; estimating burning characteristics of liquid pool fire, heat release rate, burning duration and flame height; estimating wall fire flame height, line fire flame height against the wall and corner fire flame height; estimating radiant heat flux from fire to a target fuel; estimating the ignition time of a target fuel exposed to a constand radiative heat flux; estimating the full-scale heat release rate of a cable tray fire; estimating burning duration of solid combustibles; estimating the centerline temperature of a buoyant fire plume; estimating sprinkler response time; estimating smoke detector response time; stimating heat detector response time; predicting compartment flashover; estimating pressure rise attributable to a fire in a closed comparment; estimating the pressure increase and explosive energy release associated with explosions; calculating the rate of hydrogen gas generation in battery rooms; calculating the fire resistance of structural steel members; estimating visibility through smoke
- Abstract
- The U.S. Nuclear Regulatory Commission (NRC), Office of Nuclear Reactor Regulation (NRR), Division of Systems Safety and Analysis (DSSA), Plant Systems Branch (SPLB), Fire Protection Engineering and Special Projects Section, has developed quantitative methods, known as "Fire Dynamics Tools" (FDTs), to assist regional fire protection inspectors in performing fire hazard analysis (FHA). These methods have been implemented in spreadsheets and taught at the NRC's quarterly regional inspector workshops. FDT were developed using state-of-the-art fire dynamics equations and correlations that were preprogrammed and locked into Microsoft Excel® spreadsheets. These FDTs will enable the inspector to perform quick, easy, first-order calculations for the potential fire scenarios using today's state-of-the-art principles of fire dynamics. Each FDTs spreadsheet also contains a list of the physical and thermal properties of the materials commonly encountered in nuclear power plants. This NUREG-series report addresses the technical bases for FDTs, which were derived from the principles developed primarily in the Society of Fire Protection Engineers (SFPE) Handbook of Fire Protection Engineering, National Fire Protection Association (NFPA) Fire Protection Handbook, and other fire science literature. The subject matter of this report covers many aspects of fire dynamics and contains descriptions of the most important fire processes. A significant number of examples, reference tables, illustrations, and conceptual drawings are presented in this report to expand the inspector's appreciation in visualizing and retaining the material and understanding calculation methods.