Article ID Journal Published Year Pages File Type
860061 Procedia Engineering 2013 6 Pages PDF
Abstract

The experiment of the non-piloted ignition of corrugated paper exposed to variable heat flux (the rate of heat flux y=0.0556) and a series of oxygen concentration (20.9%, 18%, 16%, 15%) was carried out by adjusting the oxygen concentration and the output power of radiation source. The aim of the study is to analyze the effect of variable heat flux and oxygen concentration on ignition time, mass loss and mass loss rate. A numerical model was built to obtain the kinetic parameters under different oxygen concentration condition. The study results show that: under the same output power of radiant source condition, as the increase of oxygen concentration, the mass loss rate will increase, but the ignition time, the activation energy and the frequency factor will decrease.

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Physical Sciences and Engineering Engineering Engineering (General)