Numerical simulation and experimental study of an efficient multi-orifice-impinging transverse (MOIT) jet mixer
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Duan Zhenya
,
Lin Longlong
Abstract
In order to accomplish efficient mixing of liquids with large differences in flow rates, an efficient multi-orifice impinging transverse (MOIT) jet mixer is used in this paper. Its structure combines a conventional MOIT jet mixer with a venturi jet mixer to improve the mixing efficiency of the MOIT jet mixer. The flow characteristics and mixing effects inside the conventional and efficient jet mixer are numerically simulated by means of a Multiphase Models. Based on building the experimental platform, the maximum error between the simulation results and the experimental results obtained with the high-speed camera is 8.42%, which verifies that the model and simulation method applies to the simulation of the mixer. In addition, the paper uses MATLAB software to obtain the interphase contact area at the transverse orifice section and verifies that the contact area at the transverse orifice section affects the mixing effect of the mixer. The droplet size distribution was also analyzed by the CFD-PBM model. The results show that the efficient MOIT jet mixer has better mixing efficiency and mixing effect, and the optimal values of the number of orifices and main fluid flow rate of the jet mixer exist. In addition, the mixing effect of the mixer showed a decreasing trend with the increase of the orifice size. The results of this paper complete the optimization of the parameters of the MOIT jet mixer, facilitating its industrial application. And combining two different mixers to create a novel jet mixer, which provides a direction for the development of new jet mixers and helps to promote the development of the fine chemical industry.
Funding source: Key Technology Research and Development Program of Shandong
Award Identifier / Grant number: 2019GSF109009
Funding source: Shandong Province Natural Science Foundation
Award Identifier / Grant number: ZR2020MB122
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: The financial support of Key Technology Research and Development Program of Shandong (grant no. 2019GSF109009) and Shandong Province Natural Science Foundation (no. ZR2020MB122) are sincerely appreciated by the authors.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
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Articles in the same Issue
- Frontmatter
- Review
- Numerical simulation and experimental study of an efficient multi-orifice-impinging transverse (MOIT) jet mixer
- Articles
- Synthesis of NPK fertilizer from low-grade phosphate raw material
- Modelling and performance analysis for cumene production process in a four-layer packed bed reactor
- Investigating the properties and performance of 3A molecular sieves as an adsorbent to prevent coke formation in olefin dehydration process
- The effect of operating parameters of hydrodynamic cavitation – assisted alkaline catalyzed transesterification of sunflower oil with methanol on the degree of triglyceride conversion
- Synthesis and characterization of fat-liquor from waste tallow
- Electrocatalytic performance of sonochemically synthesized Pt–Ni/C nanoparticles in fuel cell application
- Process optimization and CFD simulation in external loop airlift reactor and sectionalized external loop airlift for application of wastewater treatment
