Title

Numerical simulation for turbulent flow in a tube with combined swirl flow device considering nanofluid exergy loss

RIS ID

141005

Publication Details

Shafee, A., Arabkoohsar, A., Sheikholeslami, M., Jafaryar, M., Ayani, M., Nguyen-Thoi, T., Basha, B., Tlili, I. & Li, Z. (2020). Numerical simulation for turbulent flow in a tube with combined swirl flow device considering nanofluid exergy loss. Physica A: Statistical Mechanics and its Applications,

Abstract

© 2019 Elsevier B.V. Helical turbulator has been adopted in this article, to enhance the convective flow within a pipe. Homogeneousmodel was carried out for nanomaterial modeling. The Reynolds number (Re) and width of turbulator (b) vary from 5000 to 15000 and 5 to 15mm, respectively. Copper oxide nanoparticles were considered as an additive in to pure carrier fluid to gain better thermal behavior. Furthermore, exergy loss distributions for different cases have been reported. Outputs indicate that disturbance of the boundary layer enhances with rise of b. Mixing of core nanofluid flow and boundary layer enhances with augment of width of turbulator.

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Link to publisher version (DOI)

http://dx.doi.org/10.1016/j.physa.2019.122161