Numerical and experimental study of the baffle-based split and recombine chamber (B-SARC) micromixers
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Sanjay A. Pawar
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Vimal Kumar Chouksey
Abstract
Microfluidic technology has garnered growing interest in diverse domains. The efficacy and precision of microfluidic devices are significantly influenced by micromixing processes. Micromixers, comprising microchannels designed to blend fluids within a confined space and limited flow pathway, constitute indispensable components of microfluidic systems. Among these components, the micromixer stands out as a critical element, tasked with achieving maximal mixing efficiency while imposing minimal pressure drop. This paper focusses on the numerical and experimental study the baffle-based split and recombine chamber (B-SARC) micromixers. The models of a curved wavy micromixer (without baffle) and the baffle-based split and recombine chamber (B-SARC) micromixers with three baffles such as square, triangular and teardrop shaped baffles been developed using COMSOL Multiphysics software. The mixing performance analysis has been carried out by studying the mixing index and pressure drop. The influence of baffle shapes i.e. square, triangular and teardrop shaped baffles of aspect ratio 1, 1.5 and 2 on mixing performance analysis has been investigated numerically, for widespread assortment of Reynolds numbers (Re) lies between 0.1 and 90. The polydimethylsiloxane (PDMS) baffle-based split and recombine chamber (B-SARC) micromixers have been fabricated. Further, the experimental analysis has been carried out. The experimental analysis for pressure drop as well as mixing index has been performed. A good agreement has been observed between experimental and computational results which leads to validation of the computational results. The results revel the role of diffusion at lower Reynolds numbers and the production of derivative flows owing to advection at higher Reynolds numbers within the considered range of Re.
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Research ethics: Not Applicable.
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Author contributions: The author(s) have (has) accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The author(s) state(s) no conflict of interest.
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Research funding: None declared
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Data availability: Not applicable.
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Artikel in diesem Heft
- Frontmatter
- Research Articles
- Removal efficiency of organic chloride from naphtha fraction using micro and nano-γ-Al2O3 sintered adsorbents
- Energy, exergy, and economic analyses and optimization of a deethanizer tower of a petrochemical plant
- Solar driven desalination system for power and desalination water production by concentrated PVT and MED system
- Energy and exergy analysis of primary steam superheating effects on the steam ejector applied in the solar renewable refrigeration cycle in the presence of spontaneous nucleation
- Numerical investigation of the effects of dry gas model and wet steam model in solar-driven refrigeration ejector system
- Numerical investigation of different biomass feedstock on syngas production using steam gasification and thermodynamic analysis
- Numerical and experimental study of the baffle-based split and recombine chamber (B-SARC) micromixers
- Direct synthesis based sliding mode controller design for unstable second order with dead-time processes with its application on continuous stirred tank reactor
- Classification and authentication of operating conditions in different processes using Partial Least Squares
- Enhancing heat exchanger efficiency with novel perforated cone-shaped turbulators and nanofluids: a computational study
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Removal efficiency of organic chloride from naphtha fraction using micro and nano-γ-Al2O3 sintered adsorbents
- Energy, exergy, and economic analyses and optimization of a deethanizer tower of a petrochemical plant
- Solar driven desalination system for power and desalination water production by concentrated PVT and MED system
- Energy and exergy analysis of primary steam superheating effects on the steam ejector applied in the solar renewable refrigeration cycle in the presence of spontaneous nucleation
- Numerical investigation of the effects of dry gas model and wet steam model in solar-driven refrigeration ejector system
- Numerical investigation of different biomass feedstock on syngas production using steam gasification and thermodynamic analysis
- Numerical and experimental study of the baffle-based split and recombine chamber (B-SARC) micromixers
- Direct synthesis based sliding mode controller design for unstable second order with dead-time processes with its application on continuous stirred tank reactor
- Classification and authentication of operating conditions in different processes using Partial Least Squares
- Enhancing heat exchanger efficiency with novel perforated cone-shaped turbulators and nanofluids: a computational study
