Experimental and numerical study on the evaporation rates of liquid fuels using a controlled atmosphere cone calorimeter

The work described in this paper presents a set of experimental tests carried out Controlled Atmosphere Cone Calorimeter (CACC) order to study the evaporation rate 250 ml-‘batch’ n-heptane and methanol poured into an insulated 0.10 × 0.04 m3 steel pan exposed two ‘nominal’ irradiation levels 25 50 kW/m2. A low oxygen concentration is imposed during CACC tests. intent provide data for assessment validation numerical modelling liquid heat-up pool fires, without need model combustion subsequent associated complex phenomena. analysis mass loss profiles shows that increases with time due preheating liquid, whereas methanol, quasi-steady-state reached. This differences specific heat, boiling point latent heat vaporization. Numerical simulations phase using Fire Dynamics Simulator (version 6.7.0) importance account increased transfer convective motion by increasing thermal conductivity 10–20 times. Other limitations uncertainties modeling are also highlighted.