Results 251 to 260 of about 8,455,902 (295)
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Heat flux measurements in the OSU rate of heat release apparatus
Fire Safety Journal, 2002Thermal capacitance (slug) calorimeters were used to measure radiant and flame heat fluxes and the overall heat transfer coefficient at the sample surface in the Ohio State University (OSU) Rate of Heat Release Apparatus specified in FAR 25.853(a-1). The copper plate calorimeters gave radiant heat flux readings which were within 2% of a NIST calibrated,
Robert Filipczak, Richard E. Lyon
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Heat release rate in diffusion flames
Thermochimica Acta, 1996Abstract The dependence of heat release rate on fuel- and environment-based parameters is discussed. The parameters are the combustion efficiency and its convective and radiative components, net heat of complete combustion and heat of gasification, molecular weight of the gasified fuel, equivalence ratio, external and flame heat flux, and surface re ...
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Rate of heat release of wood products
Fire Safety Journal, 1991The importance of energy release rate in a fire is illustrated. Two ways are identified to calculate rate of heat release in compartments fires from wood products: (1) use of detailed mathematical models of wood pyrolysis and combustion, and (2) use of experimental benchscale rate of heat release data.
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Prediction Of The Heat Release Rate Of Wood
Fire Safety Science, 1986A method for predicting the heat release rate of wood for different thicknesses, moisture contents, and exposure conditions is described. A model has been set up and calculations have been made on a microcomputer. Heat release rates and effective heats of combustion were measured as a function of time and external radiant flux on 12.5 mm thick dry ...
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Heat Release Rate of Building Materials
1972Equipment and procedures for determining rate of heat release versus time for building materials and furnishings are being developed. The object is to obtain data which can be used in the design of rooms and their furnishings that will be safe from catastrophic fires.
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Heat release rates in tunnel fires: a summary
2012Contents
Haukur Ingason, Anders Lönnermark
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Methods to characterize heat release rate data
Fire Safety Journal, 1990Methods to characterize experimentally measured heat release rate data are developed. Exponential and t-squared representations are considered in detail; algorithms for these two representations are presented. These characterizations require the selection of two representative data pairs from a measured heat release rate history and evaluation of the ...
Frederick W. Mowrer +1 more
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Measuring rate of heat release by oxygen consumption
Fire Technology, 1991This paper provides a comprehensive set of equations and guidelines to determine the rate of heat release in full-scale fire tests based on the O2 consumption principle. The approach is different from other investigators as the enphasis is on full-scale fire test applications and the use of volumetric flow rates is avoided.
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Study on the Effects of Heat Flux Levels on Heat Release Rate of Wood
Journal of Fire Sciences, 2003The average heat release rate (AHRR) of some kinds of wood were measured using cone calorimeter under different heat flux intensities in this paper. The different heat release characteristics of these wood samples were analyzed theoretically. The temperature field of samples at the ignition time was also calculated.
Jingwei Ji +3 more
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Burning rate of solid wood measured in a heat release rate calorimeter
Fire and Materials, 1992Abstract Burning rate is a key factor in modeling fire growth and fire endurance of wood structures. This study investigated the burning rate of selected wood materials as determined by heat release, mass, loss and charring rates.
Hao C. Tran, Robert H. White
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