The Influences of Various Fin and Corrugation Arrangements on Flow Characteristics and Transfer of Heat in Ducts of Semi-Circular Grooved Using Diamond–Water Nanofluid

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The aim is to analyze how different fin and corrugation arrangements affect heat transfer and flow in grooved ducts using diamond-water nanofluid.
Conducted numerical analysis using Ansys-Fluent software.
Examined semi-circular grooved ducts with varying fin angles (30°, 60°, 90°) and heights (3, 6, 9 mm).
Compared findings between grooved and straight channels under steady, laminar flow conditions.
Increasing fin height to 9 mm for Re = 600 resulted in an 11.99% increase in the Nusselt number for double grooved ducts with a 60° fin angle.
For Re = 1000, the performance evaluation criterion of triple grooved channels with 90° fin angle and 9 mm height showed an increase of 5.15% compared to double grooved channels.

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Numerical analysis investigates heat transfer in semi-circular grooved ducts, suggesting improved performance in specific configurations.

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Karabulut et al. (2025) studied this question.

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