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All Journal Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Adek Tasri
Department of Mechanical Engineering, Andalas University, Padang, West Sumatra, Indonesia
Aerospace Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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The Effect of U-Bends on the Convective Heat Transfer Coefficient of Nanofluids Flow Alamirsyah Alamirsyah; Adek Tasri
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 70 No 1 (2026): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v70i1.632

Abstract

One effort that can increase the convection heat transfer coefficient between fluid and solid surface is adding nanoparticles to the fluid. However, there are several flow-path conditions, such as concavities and U-turns, can affect the distribution of nanoparticles in the fluid and, in turn, the heat transfer coefficient. This paper studies the effect of a U-turn on the transfer coefficient. The study was conducted using numerical simulations to determine changes in the heat transfer coefficient along the U-turn. It was found that the convection heat transfer coefficient increased at several locations on the outside of the U-turn. The heat transfer coefficient also increased at several locations on the inside of the bend, though by smaller amounts.
Co-Authors Alamirsyah Alamirsyah