Effect of forced convection heat transfer over side-by-side square cylinders in a steady confined flow regime

Sanyal, Aniruddha and Dhiman, Amit (2016) Effect of forced convection heat transfer over side-by-side square cylinders in a steady confined flow regime. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 11 (2). pp. 197-209. ISSN 1586-2070

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Abstract

A two-dimensional numerical study has been conducted to analyze forced convective confined flow and heat transfer from a pair of side-by-side square cylinders with a transverse gap ratio (defined as the ratio of the distance between the obstacles to the size of an obstacle) of 1.5. The flow is steady Newtonian in a viscous dominant flow field, investigated at Reynolds numbers ($Re$) ranging from 10 to 40 for Prandtl numbers ($Pr$) = 0.7 and 50. The present results are found to be in the excellent agreement with the literature, with a maximum deviation of 1.5\%. It is observed from the streamlines that the wake formation increases with $Re$. The onset of flow separation was observed at $Re = 7$ and further a correlation connecting wake length with $Re$ is stated.

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