Experimental study on ignition and combustion characteristics of typical oils

Abstract

The impact of radiant heat flux on ignition and combustion behavior of typical oils (diesel, lubricating oil, and aviation kerosene) was conducted in a cone calorimeter. A circular steel pan with a diameter of 10 cm was used to contain diesel, lubricating oil, and aviation kerosene without water sublayer. Using the standard oxygen consumption method, we obtained ignition time, heat release rate, mass loss rate, extinction coefficient, CO, and CO2 yield, and average specific extinction area was calculated from the extinction coefficient. Janssens' method was adopted in this study to deal with ignition time and radiant heat flux under a 0.55 power rule. Results show that the fitting through Janssens' method is good for ignition time of diesel, lubricating oil, and aviation kerosene and radiant heat flux. Moreover, heat release rate, mass loss rate, and CO/CO2 ratio appear to positively correlate with radiant heat flux, whereas average specific extinction area varies in a certain range. Copyright © 2013 John Wiley & Sons, Ltd.

Correlation analysis of heat flux and cone calorimeter test data of commercial flame-retardant ethylene-propylene-diene monomer (EPDM) rubber

“…Cone calorimeter has been widely used to evaluate the fire hazard and investigate the thermal decomposition behavior of materials, such as polyethylene (PE) [13], poly(methyl)methacrylate (PMMA) [14], polystyrene (PS) [15][16][17], poly(vinyl chloride) (PVC) [18], wood [19] and even liquid fuels [20]. However, scarce research on the fire hazard and the thermal decomposition behavior of the commercial flame-retardant EPDM rubber in a cone calorimeter has been reported.…”

Flammability properties of typical aviation functional oils

“…There exists a abrupt increase in temperature at a certain instant, which corresponds to the ignition time. For typical oils including diesel and aviation kerosene, Chen et al [1] verified that the -0.55 power of the ignition time is linear with the external radiant heat flux. figure 3 shows the ignition time of 4050# and 15# with varying heat fluxes.…”

“…The lubricating oil is commonly employed as a liquid lubricant to protect machines and components, comprising base oil, additives and other chemical components [1]. The hydraulic oil is used as a medium for power transfer and control, heat transfer or sealing.…”

“…Iwata et al [4] conducted a sequence of pool fire tests in a cone calorimeter to study the combustion characteristics of crude oils and the results showed that heat release rate (HRR), mass loss rate (MLR) and smoke yield are dependent on its density. Chen et al [1] employed the same instrument to investigate the influence of radiant heat flux on ignition and combustion behaviour of lubricating oils. Generally, a combustible fluid is easier to be ignited in the presence of an external radiation by a pilot such as spark, flame and hot surface.…”

Thermal Properties and Burning Efficiencies of Crude Oils and Refined Fuel Oil

“…Previous ignition studies have focused on either the thermal properties (Chen et al, 2014), the weathering of crude oils (Fritt-Rasmussen and Brandvik, 2011;Fritt-Rasmussen et al, 2012) or a 2017 INTERNATIONAL OIL SPILL CONFERENCE 3 combination of evaporation and the ignition delay time (Wu and Torero, 1998). A parametric study on the ignition of crude and refined oil in their various weathering states in terms of their thermal properties has to the knowledge of the authors not yet been performed.…”