Abstract:A numerical investigation of natural convection from an open hemispherical cavity is conducted in this study. The entropy production analysis and estimation of cooling time is the prime objective here. The study is conducted for different Rayleigh numbers [Formula: see text], the surface temperatures (350–550 K) and radius of curvature ratios of the hemisphere vary from 1 to 5. The problem is simulated in ANSYS Fluent 19. The perspective of both the first and second thermodynamic law is included in the modifie… Show more
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