A Numerical Investigation of Laminar Hybrid Nanofluid Flow Inside Circular Straight Minitube

Authors

  • Mohd Zulkifly Abdullah School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
  • Khairil Fadzli Department of Mechanical and Manufacturing, Faculty of Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
  • Nurul Musfirah Mazlan School of Aerospace Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
  • Abdul Rahman Mohamed School of Chemical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
  • Ayub Ahmed Janyekar School of Mechanical Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
  • R. Kamarudin Science and Art Innovation Space (SAINS), Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia

Keywords:

hybrid nanofluid, thermal conductivity, friction factor, Nusselt number

Abstract

This present work represents a numerical approach using concepts of computational fluid dynamics. The intension of the work is to consider single-phase to identify the various aspects of the concentration of nanoparticles with various flow inputs. Output was focused on heat transfer(convective) and friction factor under fully developed laminar flow. Experiments were conducted with a circular straight minitube. Reynolds number was altered from 400 ? Re ? 1200 under constant heat flux around the minitube. The hybrid nanofluid used considered using Multiwall carbon nanotube (MWCNT)/ Titanium Oxide (TiO2) nanoparticles at a fixed mixed ratio 20:80, with water acting as base fluid. In total, two volume fractions 0.01% and 0.05% were focused. The results indicate that as the increment in both volume fraction as well as Reynolds number shall promote Nusselt number. While reduction in friction factor was noted with increment in Reynolds number.

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Published

2020-12-23

How to Cite

Abdullah, M. Z. ., Fadzli, K. ., Mazlan, N. M. ., Mohamed, A. R. ., Janyekar, A. A., & Kamarudin, R. . (2020). A Numerical Investigation of Laminar Hybrid Nanofluid Flow Inside Circular Straight Minitube. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 64(2), 275–282. Retrieved from https://www.akademiabaru.com/submit/index.php/arfmts/article/view/2765
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