Journal
CASE STUDIES IN THERMAL ENGINEERING
Volume 24, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.csite.2021.100864
Keywords
Double diffusive; ISPH; Fusion temperature; NEPCMs; Porous media; Rotating cylinder
Categories
Funding
- Deanship of Scientific Research at King Khalid University [G.R.P./184/42]
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The fusion temperature controls the location and intensity of the phase change zone inside the cavity; the melting-solidification zones are not changing under variations in the buoyancy ratio parameter; an increase in radius of the circular cylinder enhances double diffusive convection and reduces the intensity of the phase change zone.
The main objective of this study is to simulate the suspension of a nano-encapsulated phase change material (NEPCM) during the double-diffusive convection flow inside a compound cavity. A novel cavity shape is formed from a central circular cylinder mounted with two rectangular shapes. An incompressible smoothed particle hydrodynamics (ISPH) method is used to solve the governing equations of the present physical problem. A heat capacity of the core-shell layers assisted the phase changes of the encapsulated nanoparticles. The main findings of the performed simulations showed that a fusion temperature controls both location and intensity of a phase change zone inside a cavity. Regardless of the impacts of a buoyancy ratio parameter on the flow speed, the melting-solidification zones are not changing under the variations in a buoyancy ratio parameter. An increase in a radius of a circular cylinder enhances the double diffusive convection and it reduces the intensity of a phase change zone. In addition, the increase in the radius of the circular cylinder powers the average Nusselt and Sherwood numbers. Increasing nanoparticles concentration enhances a phase change zone.
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