Abstract
<p>The cook stove is usually constructed from black-painted sheet metal, to better absorb energy. To enhance thermal performance, a theoretical cylindrical design is proposed in this article. This article aims to study this design and compare its performance with the conical design. Theoretical modeling of the cook stove was carried out considering heat transfer by radiation, convection, and conduction based on a steady-state thermal network, and solved using the Matlab R2021b<sup>®</sup> platform under license (License No. 595687). The result of the theoretical analysis predicts a theoretical efficiency of 65%, a pot air temperature <em>T<sub>f</sub></em>=220<sup>o</sup>C and a flame temperature <em>Ta</em>=900<sup>o</sup>C. Similarly, a validation with Sagouong's model on combustion chamber temperature and Kaushik's model on thermal efficiency. A maximum threshold (RMSE) of 4% is observed between the two studies. The <em>T<span style="font-size: 8.33333px;">c</span></em> temperature stagnates rapidly within 5 minutes at 600<sup>o</sup>C and the comparison showed that the firing temperatures of the cylindrical shape are higher than those of the conical-shaped cook stove. Consequently, the performance of the cylindrical-shaped cooking stove can be improved by further experimentation and flue gas analysis.</p>
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