Abstract

Free convective heat transfer in hybrid nanofluids inside differentially heated square enclosure is considered. The square enclosure executes a steady uniform counterclockwise angular velocity about its longitudinal. The enclosure was filled with a heterogeneous mixture of base fluid and nano-encapsulated phase change particle (NEPCP). The NEPCP core can absorb thermal energy on charging state or releases energy on discharging state. The governing equations are solved using the using FEM. The validity of the present code is verified by comparing its predictions to the results form literature. The main outcomes is that the rotation parameter affects the cell circulation number, number of inner vortices and its intensity. Using higher speed of rotation leads to less NEPCP undergoes phase change and retard heat transfer.

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