THE OPTIMIZATION OF PASSIVE MICROMIXERS WITH THREE-SPLIT RHOMBIC SUB-CHANNELS FOR CHEMICAL ANALYSIS APPLICATION

Authors

  • Roer Eka Pawinanto Departement of Electrical Engineering Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia
  • Erni Nuraini Departement of Physics Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia cEngineering Physics, Institut Teknologi Bandung, Bandung 40132, Jawa Barat, Indonesia
  • Budi Mulyanti Departement of Electrical Engineering Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia
  • Ahmad Aminudin Departement of Electrical Engineering Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia
  • Devi Fitria Nurvadila Departement of Physics Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia
  • Chandra Wulandari ᵇDepartement of Physics Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia ᶜEngineering Physics, Institut Teknologi Bandung, Bandung 40132, Jawa Barat, Indonesia
  • Jumril Yunas Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
  • Lilik Hasanah Departement of Physics Education, Universitas Pendidikan Indonesia, Bandung 40154, Jawa Barat, Indonesia

DOI:

https://doi.org/10.11113/jurnalteknologi.v84.19351

Keywords:

Micromixer, three-split rhombic, Reynolds number, Mixing Index, Navier-Stokes Equation

Abstract

A rhombic with unbalanced three-split in a passive micromixer is studied. This work aims to optimize micromixers' three-split rhombic design for chemical analysis through mixing index and pressure drop analysis. The optimization was obtained by varying the angle of the rhombic and the ratio of the sub-channel widths, including angles of 30°, 45°, 60°, 90° and widths of 150:100 μm, 200:100 μm, 250:100 μm, and 300:100 μm. The COMSOL Multiphysics was used to simulate the performance based on a three-dimensional Navier-Stokes equation with the working fluid model in the form of water in the advection-diffusion model. A parametric study was carried out to evaluate the effect of the geometric micromixer variable on the mixing performance for the Reynolds range of 10-120. The results show that a micromixer with an unbalanced triangular rhombic the structure with an angle of 30° and width of 200:100 μm on Re 120 achieve mixing efficiency at 0.91 with pressure drop 1700 Pa.

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Published

2022-10-31

How to Cite

Pawinanto, R. E. ., Nuraini, E. ., Mulyanti, B. ., Aminudin, A. ., Nurvadila, D. F. ., Wulandari, C. ., Yunas, J. ., & Hasanah, L. . (2022). THE OPTIMIZATION OF PASSIVE MICROMIXERS WITH THREE-SPLIT RHOMBIC SUB-CHANNELS FOR CHEMICAL ANALYSIS APPLICATION. Jurnal Teknologi, 84(6-2), 77-83. https://doi.org/10.11113/jurnalteknologi.v84.19351