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This article presents three dimensional CFD (computational fluid dynamics) investigation of local Nusselt number and local friction factor ratios in an air channel with various V-pattern ribs as roughness elements employed on one wall. The various ribs such as, V-pattern rib, protrusion rib in V-pattern, dimpled rib in V-pattern, and V-pattern rib combined with groove have been considered in the study...
The use of rib roughness in numerous forms, shapes and sizes is the utmost common and effective way to increase the thermohydraulic performance of a rectangular duct. Investigators reported various rib roughness shapes in the literature for studying fluid flow and heat transfer in rectangular duct. A number of experimental and CFD studies carried out on rib roughened rectangular duct for their performance...
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