Abstract
This study examined the basic combustion characteristics of a wood pellet gasified combustor using excess enthalpy method. The excess enthalpy was to make the heat recirculate through the fire grate from the downstream high temperature region to upstream low temperature region by inserting a high conductivity porous fire grate into the one-dimensional flame zone. Heating with excess enthalpy was simulated by heating inlet air with a heater in this experiment. As the result, the enthalpy of the exhaust gas in the case of inlet air heating was higher than the case without the heating even subtracting the enthalpy requiring to heat inlet air.
