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Heat Feedback to the Fuel Surface in Pool Fires (NIST SP 971) | NIST

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TLDR
In this paper, the radial variation of the local radiative and local net heat flux incident on the surface of 0.30 m diameter pool fires were measured using a water-cooled, nitrogen purged, narrow view-angle gauge.
Abstract
Abstract A series of measurements designed to investigate the heat feedback in pool fires burning liquid fuels are reported. Such measurements are essential for the development and validation of detailed models which predict the burning rate of liquid hydrocarbons and solid polymers. The radial variation of the local radiative and local net heat flux incident on the surface of 0.30 m diameter pool fires were measured. A water-cooled, nitrogen purged, narrow view-angle gauge was developed to measure the radiative flux incident on the fuel surface. Measurements of the mass burning rate in a burner composed of annular rings was used to estimate the local heat feedback. A number of different fuels were studied, yielding flames with a wide range of heat release rates and luminosities. Consideration of the heat balance for a control volume enclosing the liquid PPOI indicated that radiation was an important component of the heat feedback for non-luminous fires and a dominant component in luminous fires.

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Dissertation

Numerical modeling of the coupled feedback between pool fires and their environment

TL;DR: Fire Dynamics Simulator (FDS) was chosen as a modeling framework which could be expanded upon if needed to be able to perform predictions of the presented problems; predicting fire growth related to building characteristics and predicting performance of measures against smoke spread in ventilation systems.
ReportDOI

Velocity and Temperature Structure of Medium-Scale Pool Fires

TL;DR: In this article, the authors present a Table of Contents (table of contents) and a List of TABLES (list of figures) for a table of FIGURES.
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Melting of Ice and Formation of Lateral Cavity during In Situ Burning in Ice-Infested Waters

TL;DR: In this article, the authors present an acknowledgment of the authorship of the paper's authors, and acknowledgments of the author's work............................................................................................................................ iii Acknowledgments
References
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Journal ArticleDOI

Modelling pyrolysis of charring materials: determining flame heat flux using bench-scale experiments of medium density fibreboard (MDF)

TL;DR: In this paper, an analytical model based on classical ignition theory is developed to address the mechanism of mass loss caused by incident heat flux, involving the effects of char layer and back boundary.
Journal ArticleDOI

Combustion dynamics of large-scale wildfires

TL;DR: In this paper, the authors present an overall pattern of the essential factors that lead an initial small-scale spreading flame to a large-scale wildfire beyond control, including the complicated transformation of fuel preheating mechanisms, varied large-size flame fronts and unique spread modes induced in specific fire environments.
Journal ArticleDOI

Towards predictive simulations of gaseous pool fires

TL;DR: In this paper, large eddy simulations using improved approaches related to thermophysical, turbulence, combustion and radiation modeling are presented, focusing on advancing predictive fire modeling, and a comprehensive comparison between the predictions of the modified code against the standard version of fireFoam and experimental data of a medium-scale 22.6kW methanol pool fire is presented.
Journal ArticleDOI

Burning rates of liquid fuels in fire whirls

TL;DR: In this paper, a semi-empirical investigation on the quasi-steady burning rates of laminar and turbulent fire whirls established over liquid fuel pools is presented.
Journal ArticleDOI

Fuel Mass-Loss Rate Determination in a Confined and Mechanically Ventilated Compartment Fire Using a Global Approach

TL;DR: In this article, the authors present a theoretical formulation that allows the determination of the burning rate of fuels for pool fires in a closed compartment based on an energy balance at the pool fire surface and includes radiative and convective heat components from the flame to the pool surface by relating them to the ambient oxygen mass fraction at the flame base.
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