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<p>Vortex generators (VGs) control fluid flow and enhance mixing efficiency in various engineering applications. Recently, triply periodic minimal surface (TPMS) structures have drawn attention as promising candidates for VGs due to their smooth surfaces that promote vortex formation. However, no previous study has systematically examined the vortex generation performance of TPMS structures. The aim of this study is to investigate the vortex generation performance of TPMS-based VGs by varying the type and dimension of the unit cell. TPMS structures, fabricated using additive manufacturing, have smooth surfaces that enhance vortex formation and mixing efficiency. Experiments and computational fluid dynamics simulations are conducted to evaluate the pressure difference, flow patterns and Q-criterion of different TPMS configurations. The results show that the cell type and dimension significantly influence vortex behavior, and the most effective TPMS structure for vortex generation is identified.</p>

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Investigation of the effects of design of the unit cell of TPMS structures on vortex generation performance using CFD simulation

  • 期刊论文

  • 发表日期：

    2026年1月13日

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  • Jong-Chan Beom,
  • Gideon Simon Mduma,
  • Hyeon Kim,
  • Jong Bae Lee,
  • Dong-Gyu Ahn,
  • Sung Yong Jung,
  • Young Dal Jeong

摘要

Vortex generators (VGs) control fluid flow and enhance mixing efficiency in various engineering applications. Recently, triply periodic minimal surface (TPMS) structures have drawn attention as promising candidates for VGs due to their smooth surfaces that promote vortex formation. However, no previous study has systematically examined the vortex generation performance of TPMS structures. The aim of this study is to investigate the vortex generation performance of TPMS-based VGs by varying the type and dimension of the unit cell. TPMS structures, fabricated using additive manufacturing, have smooth surfaces that enhance vortex formation and mixing efficiency. Experiments and computational fluid dynamics simulations are conducted to evaluate the pressure difference, flow patterns and Q-criterion of different TPMS configurations. The results show that the cell type and dimension significantly influence vortex behavior, and the most effective TPMS structure for vortex generation is identified.