Abstract
Data sourced from literature for wood density (WD) and fire properties for fifteen Nigerian woods were analysed. The fire properties are ignition time (IT), flame propagation rate (FPR), flame duration (FD), afterglow time (AGT), ash formation (AF) and limiting oxygen index (LOI). The aim was to correlate density and fire properties of wood using eigenvalues and eigenvectors. The analysis tool adopted was the statisticalanalysis system (SAS) where principal component and regression analyses were performed. Based on the presented data and analyses, WD was found to relate well with FPR, AGT and LOI with an adjusted R-Square = 83% while the other three parameters: IT, FD and AF constitute random noise.
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Highlights
Woods have multipurpose uses in the human society
The data were generated from investigation of fire properties of fifteen Nigerian wood species from different rainforests in SouthEast, Nigeria
The data are shown in Table I: The combustion characteristics of 15 Nigerian woods showing density and fire properties in their respective international system of units
Summary
Woods have multipurpose uses in the human society. They found wide application in construction of ships, boats, furniture etc. and are extensively used in buildings as well as for fuels and many other industrial applications such as, in the pulp and paper industry, forest reserves, the toothpick industry and for afforestation purposes among others [1].Combustion / pyrolysis has been identified as the greatest factor that undermines or limits the application of woods [2]. Woods have multipurpose uses in the human society. They found wide application in construction of ships, boats, furniture etc. Combustion / pyrolysis has been identified as the greatest factor that undermines or limits the application of woods [2]. During the combustion of a wood material, oxidation occurs which results to exothermic chemical reaction producing heat, gases, tars, char, vapour, light, volatile and various reaction products [3]-[6]. Fire starts on a flammable or combustible material when exposed to a heat source in combination with adequate supply of an oxidizer such as oxygen or oxygen-rich compound. The flash point of the fuel, fire sustains a rate of rapid oxidation and a chain reaction is produced which is usually termed fire tetrahedron. The wood undergoes thermal degradation [5], [6]
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