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Modeling of heat transfer augmentation due to complex-shaped turbulator using nanofluid

Authors: 

Qingang Xiong, M. Ayani, Azeez A. Barzinjy, Rebwar Nasir Dara, Ahmad Shafee, Trung Nguyen-Thoi

Source title: 
Physica A: Statistical Mechanics and its Applications, 540: 122465, 2020 (ISI)
Academic year of acceptance: 
2019-2020
Abstract: 

To improve the efficiency of pipe, dispersing nanomaterial as well as insertion of turbulator was suggested in current paper. There are three key parameter including, width ratio (BR), flow rate and pitch ratio (PR). Outputs showed that intensity of swirl flow boosts with augmenting width ratio which provides greater pressure drop. As a pleasant outputs, Sgen,th declines as BR increases. Nusselt number has descending trend via augmenting pitch ratio. Nusselt number tends to augment with width ratio.