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Search Publications by: Kevin B. McGrattan (Fed)

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Displaying 1 - 25 of 302

Thermal Exposure of Objects Near Burning Electrical Enclosures

December 16, 2024
Author(s)
Kevin McGrattan, Isaac Leventon
This report documents a series of fire experiments performed within steel electrical enclosures and on open "ladder back" cable trays. The first objective is to measure the heat release rates and qualitatively understand the burning behavior of circuit

The Impact of Material Composition on Ignitability and Fire Growth. Volume 1: Full-Scale Burning Behavior of Combustible Solids Commonly Found in Nuclear Power Plants

February 13, 2024
Author(s)
Isaac Leventon, Michael Heck, Kevin B. McGrattan, Matthew Bundy, Rick D. Davis
This report provides an overview of quantitative measurement data and visual observations obtained from a series of 52 full-scale fire growth experiments conducted on 16 unique combustible solids including: natural and synthetic polymers, copolymers

Oxygen-Limited Fires Inside Under-Ventilated Enclosures (OLIVE-FIRE)

August 9, 2022
Author(s)
Kevin B. McGrattan, Isaac Leventon
This report documents a series of fire experiments performed within steel electrical enclosures. The objective is to validate a simple empirical model that predicts the maximum heat release rate of a fire within a closed compartment as a function of its

A Simple Two-Step Reaction Scheme for Soot and CO

May 23, 2022
Author(s)
Kevin B. McGrattan, Randall J. McDermott, Jason E. Floyd
A relatively simple two-step combustion model is proposed for predicting soot and CO generation in under-ventilated fire simulations. The scheme consists of two mixing-controlled reaction steps performed in series. Validation calculations are described

Current and Future Parameters Used by FDS

December 15, 2021
Author(s)
Kevin B. McGrattan, Jason Floyd
This paper discusses important input parameters used by the Fire Dynamics Simulator (FDS), a computational fluid dynamics (CFD) model of fire. Suggestions are made for new or enhanced sub-models and measurements specifically for CFD models of fire.

Characteristics of Nuclear Power Plant Fires Involving Electrical Enclosures

November 10, 2021
Author(s)
Isaac Leventon, Kenneth Hamburger, Kevin B. McGrattan, Rick D. Davis
PRIMARY AUDIENCE Fire protection and fire probabilistic risk assessment engineers conducting or reviewing fire modeling that supports fire probabilistic risk assessments related to characteristics (e.g., ignition, fire growth, and peak heat release rate)

Heat Release Rates of Multiple Transient Combustibles

July 21, 2020
Author(s)
Kevin B. McGrattan
This report documents heat release rate measurements of various transient combustibles; that is, non-permanent items found in industrial settings that can potentially contribute to an accidental fire. These items are often included in hypothetical fire

Response Bias of Electrical Cable Coatings at Fire Conditions (REBECCA-FIRE)

June 9, 2020
Author(s)
Kevin B. McGrattan, Edward J. Hnetkovsky, Scott D. Bareham, Michael J. Selepak, Morgan Bruns
This report contains results of a multi-year experimental program called REBECCA-FIRE (Response Bias of Electrical Cable Coatings at Fire Conditions). Volume 2 of the three volume report focuses on the burning behavior of electrical cables that are

Determining Flow Resistance through Vegetation Canopy

May 2, 2020
Author(s)
Ryan L. Falkenstein-Smith, Kevin B. McGrattan
This study documents the measurement of the wind resistance of different types of vegetation. The measurements are made in a wind tunnel with a 2.0 m test section and 0.5 m by 0.5 m cross- section. Samples of vegetation have been cut into cubical volumes

Measurement of the Flow Resistance of Vegetation

April 1, 2019
Author(s)
Ryan L. Falkenstein-Smith, Kevin B. McGrattan, Blaza Toman, Marco G. Fernandez
This report documents the measurement of the wind resistance of different types of vegetation. The measurements are made in a wind tunnel with a 2.0 m test section and 0.5 m by 0.5 m cross- section. Samples of vegetation have been cut into cubical volumes