Modelling of Fluid Flow and Heat Transfer around a Transversely Oscillating Circular Cylinder

Document Type : Research Article

Authors

1 Department of Chemical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran

2 Department of Chemical Engineering, Sirjan University of Technology, Sirjan, Iran

Abstract

One of the favorite topics in the industrial and educational applications is external flows and the fluid and heat flows around a perpendicular cylinder, specially. This problem is greatly applicable in designing heat exchangers, fuel cooling, fuel elements and similar engineering equipment. In this study, the heat transfer in a laminar incompressible fluid flow around a cylinder that oscillate perpendicular to the flow direction, have been investigated. For this purpose, the OpenFOAM software has been used to solve the governing equations and obtaining the Nusselt number around this cylinder. Different Reynolds numbers, from 10 to 1000, and oscillation frequency ratios, from 0.8 to 1.2, have been investigated. The Nusselt number has been obtained in two effective Reynolds numbers and the changes in the Nusselt number and the pressure coefficient around the cylinder have been also calculated. The results show that increasing Reynolds number increases the heat transfer rate and the oscillation frequency ratio equal to 1 has the highest heat transfer rate.

Keywords

References

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Chemical Process Design
Volume 1, Issue 2
December 2022
Pages 21-33

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