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This work intended to build a mathematical model for a designed, constructed and tested clean, transportable and comfortable advanced biomass cookstove. The system was subdivided into 31 isothermal subvolumes (nodes), interconnected to one another by thermal resistances corresponding to a particular type of heat transfer. A differential system of 31 equations governing the heat transfer in the ovens’ configurations was obtained, and numerical simulations were carried out in order to appreciate the thermal behavior of the systems. A validated data acquisition device (device SAG) for controlling the thermal behavior of stoves or heating systems was used for experimental studies. The numerical results were in agreement with the experimental results and needed a low computational time.

The large majority of population in Cameroon still relies on inefficient wood or charcoal stoves. In this work, we purchased and tested three charcoal cookstoves available in Cameroonian markets. W...