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You searched on: Author: kevin mcgrattan

Displaying records 11 to 20 of 129 records.
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11. Cable Heat Release, Ignition, and Spread in Tray Installations during Fire (CHRISTIFIRE): Phase 1 - Horizontal Trays
Published: 7/11/2012
Authors: Kevin B McGrattan, Andrew J. Lock, Nathan D Marsh, Marc R. Nyden
Abstract: This report documents the first phase of a multi-year program called CHRISTIFIRE (Cable Heat Release, Ignition, and Spread in Tray Installations during Fire). The overall goal of the program is to quantify the burning characteristics of grouped elect ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905788

12. Verification and Validation Process of a Fire Model
Published: 6/18/2012
Authors: Kevin B McGrattan, Simo A Hostikka
Abstract: Fire simulation tools are used frequently in the fire safety assessment of nuclear and other industrial installations. They are also used in the context of probabilistic fire risk assessment as deterministic models providing the relation between the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910622

13. CFD Modeling of Fire
Published: 1/11/2012
Authors: Kevin B McGrattan, Randall Joseph McDermott, Glenn P Forney, Jason E Floyd, Simo A Hostikka, Howard Richard Baum
Abstract: An overview of a methodology for simulating fires and other thermally-driven, low-speed flows is presented. The model employs a number of simplifications of the governing equations that allow for relatively fast simulations of practical fire scenario ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909443

14. Smoke Plume Trajectory from In Situ Burning of Crude Oil in Alaska ‹ Updated Simulation Results
Series: Technical Note (NIST TN)
Report Number: 1706
Published: 7/21/2011
Authors: William D. Walton, Kevin B McGrattan
Abstract: The purpose of this report is to update calculations, originally performed in 1993, that predict the downwind extent of smoke particulate from hypothetical in situ burns of spilled crude oil in Alaska. The reason for the update is that the Natio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908811

15. Understanding the Fire Hazards of Grouped Electrical Cables
Published: 6/26/2011
Authors: Kevin B McGrattan, David Stroup
Abstract: CHRISTIFIRE (Cable Heat Release, Ignition, and Spread in Tray Installations during FIRE) is an Office of Nuclear Regulatory Research (RES, US NRC) program to quantify the mass and energy released from burning electrical cables. The experimental progr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908211

16. A Simple Reaction Time Scale for Under-Resolved Fire Dynamics
Published: 6/20/2011
Authors: Randall Joseph McDermott, Kevin B McGrattan, Jason E Floyd
Abstract: A reaction time scale model is developed for use in the eddy dissipation concept (fast chemistry limit) closure of the mean chemical source term in large-eddy simulation of fires. The novel aspect of the model is to consider a scaling regime for coa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907227

17. Quantifying Model Error
Published: 2/11/2011
Authors: Kevin B McGrattan, Blaza Toman
Abstract: A methodology is proposed for reporting the results of fire model validation studies that consist mainly of comparisons of model predictions and experimental measurements. The difference between the two is a combination of model error and experimen ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904174

18. Evaluation of a Two-Dimensional Simulation of Low Strain Rate Nonpremixed Counterflow Flames
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6839
Published: 1/5/2011
Authors: W Park, Anthony P Hamins, Kevin B McGrattan
Abstract: A mixture fraction formulation is used to numerically simulate the two-dimensional structure of diluted axisymmetric methane-air nonpremixed counterflow flames. The size of the computational domain and the grid spacing are selected based on negligibl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861106

19. Understanding the Hazards of Grouped Electrical Cables
Published: 8/8/2010
Authors: Kevin B McGrattan, Andrew J. Lock, Nathan D Marsh, Marc R. Nyden, Jason Dreisbach, David Stroup
Abstract: CHRISTIFIRE (Cable Heat Release, Ignition, and Spread in Tray Installations during FIRE) is a U.S. Nuclear Regulatory Commission Office of Research program to quantify the mass and energy released from burning electrical cables. This type of quantita ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904855

20. MODELING THE BURNING OF COMPLICATED OBJECTS USING LAGRANGIAN PARTICLES
Published: 7/4/2010
Authors: Kevin B McGrattan, Randall Joseph McDermott, William E. Mell, Glenn P Forney, Jason E Floyd, Simo A Hostikka
Abstract: A methodology is described for representing complicated objects within a computational fluid dynamics model. These objects are typically collections of similar items that are too small to define on the numerical grid that is used to solve the governi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905798



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