Correlations Between Heat Release Rate And
Gaseous By-product Concentrations Applied To
The Characterization Of Forest Fuels
Author(s)
I. Fernández-Gómez, J. Madrigal, A. J. de Castro, M. Guijarro,
J. M. Aranda, C. Diez, C. Hernando & F. López
Abstract
In this work an adapted bench-scale Mass Loss Calorimeter (MLC) device is
used to measure HRR for forest fuels. The MLC has the same heating unit as a
standard cone calorimeter, but a) the physical basis to measure HRR in a MLC
(by using a calibrated thermopile) is different than the one used in the standard
cone calorimeter (oxygen consumption method) and b) the MCL does not have a
unit to measure the concentration of the gases produced during the combustion.
Although the concentration values are not essential to measure the HRR curves,
their knowledge is of great interest to characterize the combustion process and
the combustion efficiency. In this sense, a Fourier transform based
spectroradiometer (FTIR) has been adapted to the MLC in a short open-path
configuration to measure \“in situ” the concentration of carbon monoxide and
dioxide and water vapour, nearly simultaneous to the measurement of the HRR
values. This simultaneity in both types of measurements allows one to find
correlations between different variables. These correlations would help to make
predictions on unknown variables in the framework of fire models.
Keywords: calorimetry, heat release rate, forest fuels, short open path FTIR
spectroscopy.
Keywords
calorimetry, heat release rate, forest fuels, short open path FTIR
spectroscopy
Related Book
Other papers in this volume
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