Abstract
Mixed convective heat transfer in a lid-driven square enclosure in presence of discrete heat source at different location of the left wall is considered. The aim of this study is to analyze numerically the effect of external magnetic field inside the enclosure filled with \(Al_2O_3\)–water nanofluid, using Buongiorno’s two-phase model. The temperature of the right wall is lower than that of the heater, placed on the left wall. A control volume method over a staggered grid arrangement is used to discretize the governing equations. The discretized equations of two-dimensional continuity, momentum, energy and volume fraction are solved through a pressure correction based SIMPLE algorithm. The effect of several parameters such as Richardson number (\(0.1 \le Ri \le 5\)), Hartman number (0 \(\le Ha \le \) 60), nanoparticle volume fraction (0 \(\le \varphi _b \le \) 0.05) on the mixed convection of the nanofluid in heat transfer and entropy generation is studied by considering the position of the heat source to vary from bottom to top. The work has a remarkable contribution for the improvement of thermal performance with minimal energy consumption in several engineering applications.
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Dutta, S., Bhattacharyya, S. (2021). Effect of Heating Location on Mixed Convection of a Nanofluid in a Partially Heated Enclosure with the Presence of Magnetic Field Using Two-Phase Model. In: Giri, D., Buyya, R., Ponnusamy, S., De, D., Adamatzky, A., Abawajy, J.H. (eds) Proceedings of the Sixth International Conference on Mathematics and Computing. Advances in Intelligent Systems and Computing, vol 1262. Springer, Singapore. https://doi.org/10.1007/978-981-15-8061-1_7
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