Journal
EUROPEAN PHYSICAL JOURNAL PLUS
Volume 136, Issue 5, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-021-01349-4
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The numerical analysis of mixed convection in a lid-driven trapezoidal cavity with a flexible bottom wall filled with a hybrid nanofluid shows that both Reynolds number and volume fraction of nanoparticles significantly affect flow and heat transfer characteristics. The Fluid-Structure-Interface (FSI) model has a profound effect on heat transfer compared to a rigid wall model, and FSI is more feasible to enhance heat transfer compared to the addition of nanoparticles. This study confirms the promising applications of FSI model in enhancing heat transfer characteristics.
Mixed convection in a lid-driven trapezoidal cavity with flexible bottom wall and filled with a hybrid nanofluid is analyzed numerically in this study. Hybrid nanofluid that is a combination of Al2O3-Cu/Water is employed in this investigation. Finite element analysis is utilized in this study using the fluid-structure-interface Multiphysics of COMSOL. The results presented in this investigation showed that both Reynolds number and volume fraction of nanoparticles significantly affect flow and heat transfer characteristics inside the cavity. The results revealed that FSI model has more profound effect on the heat transfer compared with rigid wall model. Further, the present results showed that FSI was more feasible to enhance heat transfer compared with the addition of nanoparticles. This study confirms the promising applications of FSI model in enhancing heat transfer characteristics.
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