Investigation of nanofluid flow within a duct with complicated swirl flow device using numerical computing technology

Si Yuanlei, Bassem F. Felemban, Ali Bahadar, Yahya Ali Rothan and Mahmoud M. Selim
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Si Yuanlei: Jiangsu Vocational Institute of Architectural Technology, Xuzhou 221116, Jiangsu, P. R. China†Xuzhou Intelligent Machine Vision Engineering and Technology Center, Xuzhou 221116, Jiangsu, P. R. China
Bassem F. Felemban: ��Department of Mechanical Engineering, College of Engineering, Taif University, P. O. Box 11099, Taif 21955, Saudi Arabia
Ali Bahadar: �Department of Chemical and Materials Engineering, King Abdulaziz University, Rabigh 21911, Saudi Arabia
Yahya Ali Rothan: �Department of Mechanical Engineering, Faculty of Engineering, Jazan University, Jazan 82822, Saudi Arabia
Mahmoud M. Selim: Jiangsu Vocational Institute of Architectural Technology, Xuzhou 221116, Jiangsu, P. R. China∥Department of Mathematics, Al-Aflaj College of Science and Humanities Studies, Prince Sattam Bin Abdulaziz University, Al-Aflaj 710-11912, Saudi Arabia**Department of Mathematics, Suez Faculty of Science, Suez University, Egypt

International Journal of Modern Physics C (IJMPC), 2022, vol. 33, issue 07, 1-18

Abstract: To decrease the exergy drop, a new style of tape with an inset of the obstacle has been applied in the current utilized heat exchanger. Numerical technique was chosen to discover the solution of the equations for the current application. Hybrid nanopowders were added into a base fluid and an experimental formulation was utilized for involving the new working fluid. Addition of nanopowder and insertion of obstacle over the tape lead to augmentation of productivity of unit and help the system to minimize the irreversibility. Checking the correctness of the procedure in the modeling has been tested and proved to be in nice agreement. Two configurations for geometry of tube have been compared in two levels of Re. The regime of fluid is turbulent and the generation of grid has been done with considering the limitation of Y+. With the insertion of obstacle in the lowest level of Re, the swirl flow increases and Sgen,f augments about 252.6% while Sgen,h reduces about 21.22%. The value of heating term is much higher than the friction term, so Xd declines by 21.21%. With the use of new configuration of turbulator, elevating Vin leads to elevation of Sgen,f by 24.21% but Sgen,h declines about 83.39%. Adding the turbulator with obstacle, Tw decreases about 0.22% when Re = 2e4.

Keywords: Heat transfer; hybrid nanomaterial; forced convection; combined turbulator (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0129183122500954

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