Abstract
A waste wood burning boiler with 200kW thermal power is investigated by experiments and numerically. Temperature measurements are performed in the furnace and in the heat exchanger sectionsin the downstream. Exit exhaust gas composition is also measured. Flow, heat transfer and combustion in the furnace, and forced convection on the water side are numerically analyzed. The water side calculations are used to obtain boundary conditions for the furnace by heat transfer coefficients. For validating the adopted mathematical/numerical formulation, the predictions are compared with measurements.A satisfactory agreement between the predictions and measurements is observed, confirming the validity of the applied computational procedures.
Highlights
Fossil fuels have been and are still being used as the major primary energy source for generation heat and of power [1-3]
A grid independence study was performed for all three parts, i.e. the furnace, the exhaust, and the water domains
The temperature varies between all three meshes less than 1%
Summary
Fossil fuels have been and are still being used as the major primary energy source for generation heat and of power [1-3]. Parallel to the efforts for exploiting renewable energy sources [9], as well as recovery techniques [10-12], combustion continues to play an important role in power generation, through the renewable energies, due to the significance of biomass in the latter [13-17]. The purpose of the project is the development of a waste wood burning boiler with a simultaneous generation of electric power via thermoelectric generators [11]. The purpose at this stage is developing a validated numerical procedure
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