抄録
To predict the rate of thermal outflow including unburned gases from the opening of a compartment, it is necessary to determine the mass burning rate of the fuel as well as the total mass loss rate of the fuel. Then the rates are dependent on the thermal and chemical environment inside the compartment. Therefore, a zone model considering the following two concepts is developed.
1. The predictions of temperature, density, volume and pressure in zone considering the changes of the specific heat on temperature and the pressure transient, dP/dt, term.
2. The prediction of the rates of fuel mass loss and fuel mass burning considering the changes of physical properties, including temperature, density, the mass fraction of chemical species and wall temperature, in upper- and lower-layers.
The prediction results are compared with the previous experiments to validate the model. Overall, the calculations of the model agree well with the experiments of the mass loss rate, the temperature in the compartment and the heat release rate.
