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1 Burning Rate and Heat Release Rate Student Name Class Date
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2 Introduction Burning rate is a typical term which is used in describing the rate at which a certain material would be consumed by fire. More specifically, burning rate could be explained in terms of heat release rate or mass loss rate and both are inter-related. This is an informal report of a two-fold experiment for determining the burning rate and heat release rate. The experiment was two-fold in the sense that it consisted of two parts, with each part being conducted separately. Part one of the experiment entailed burning rate measurement plus the use of burning rate to compute Heat Release Rate (HRR). Part two entailed the direct Heat Release Rate measurement through the use of oxygen consumption approach, as well as the computation of the effective heat of combustion through the application of the measured Heat Release Rate and burning rates. For this experiment, burning rate was referred to as Mass Loss Rate (MLR) due to the fact that the measurement apparatus for the burning rate equals Mass Loss Rate. Objectives 1. To determine the mass loss rate of a fireboard material. 2. To calculate the heat release rate of fireboard material. Experiment Design The experiment was to determine MLR and HRR of a fiberboard exposed to the radiant heat flux of 35 kW/m 2 . The equipment used in the experiment was Intermediate Scale Calorimeter (ICAL) and ICAL reduction software. Methodology
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3 Part 1 It involved the measurement of mass loss of a burning sample exposed to a heat flux positioned on a sensitive scale that can continuously measure mass at one g accuracy. This mass is recorded at 1 s intervals in a computer file. These measurements were then used for calculating MLR. The mass lost in each second of the process of burning is what is simply referred to as MLR. The units are g/s. This was computed easily using the Excel spreadsheet. But the data was first
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  • Fall '16
  • Prof Datuk Dr Shahrin
  • Combustion, MLR

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