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Thermal-Hydraulic Performance Analysis by Means of Rectangular Winglet Vortex Generators in a Channel: An Experimental Study

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  • Oktarina Heriyani
  • Mohamad Djaeni
  • . Syaiful

Abstract

Vortex generators (VGs) are one of the effective passive models used to increase the heat transfer rate in heat exchangers. In this experiment, heat transfer from six cylinders heated to the airflow was improved by attaching rectangular winglet vortex generators (RWVGs) to a plate in a rectangular channel. The installation aimed to increase the value of the thermal-hydraulic performance evaluation criteria in the line. This experimental study was carried out by varying the fluid flow velocity from 0.4 m/s to 2 m/s with an interval of 0.2 m/s in the channel. Three pairs of VGs were arranged in both in-line and staggered configurations. The experimental results show that the thermal-hydraulic performance evaluation criteria for three pairs of vortex generators in the staggered configuration was 15.17% higher than the baseline, while the thermal-hydraulic performance of the in-line arrangement was 1.54% higher than the staggered one.

Suggested Citation

  • Oktarina Heriyani & Mohamad Djaeni & . Syaiful, 2021. "Thermal-Hydraulic Performance Analysis by Means of Rectangular Winglet Vortex Generators in a Channel: An Experimental Study," European Journal of Engineering and Technology Research, European Open Science, vol. 6(3), pages 150-153, March.
    • Handle: RePEc:epw:ejeng0:v:6:y:2021:i:3:id:62424
    DOI: 10.24018/ejeng.2021.6.3.2424
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