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Mixed Convection in a Lid-Driven Inclined Cavity with Discrete Heater on the Lower Wall

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Abstract

The analysis of fluid flow and heat transfer enhancement in a lid-driven square enclosure inclined at an angle ψ and partially heated from below is developed numerically. A heater is placed at the middle of the bottom wall whereas the upper wall, moving horizontally at a constant speed, is maintained at a lessened temperature. Governing discretized equations are solved by applying the finite volume method with a pressure correction-based SIMPLE algorithm. Results are obtained for various parameters such as Richardson number (0.1 ≤ Ri ≤ 3), solid volume fraction (0 ≤ ϕ ≤ 0.1) with the inclination angle varying from −60° to 60°. The change in the rate of heat transfer due to inclusion of the nanoparticles is investigated. Flow field as well as the heat transfer has dependency on the inclination angle of the enclosure. The augmentation in heat transfer is obtained at a comparatively higher rate than that of the entropy generation in our proposed model.

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Correspondence to Subhasree Dutta .

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Dutta, S., Bhattacharyya, S. (2020). Mixed Convection in a Lid-Driven Inclined Cavity with Discrete Heater on the Lower Wall. In: Bhattacharyya, S., Kumar, J., Ghoshal, K. (eds) Mathematical Modeling and Computational Tools. ICACM 2018. Springer Proceedings in Mathematics & Statistics, vol 320. Springer, Singapore. https://doi.org/10.1007/978-981-15-3615-1_13

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