期刊
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10407782.2023.2190938
关键词
Baffles; mass and heat transfer; mixer; numerical simulation; process intensification; scale up
This study designed and optimized a novel mixer with triangular-notched rectangular baffles structure, and characterized its performance by combining heat and mass transfer computational fluid dynamics (CFD) method. The results showed that the optimized mixer had a significant increase in mixing efficiency and heat transfer compared to the mixer without baffles structure. Furthermore, the scale-up strategy for continuous flow chemical process enhancement was provided by enlarging the size of the mixer with triangular-notched rectangular baffles structures.
Mass transfer efficiency, heat transfer efficiency, and treatment capacity play important roles in the continuous flow chemical process. To enhance the continuous flow chemical process, a novel mixer with triangular-notched rectangular baffles structure was designed and optimized. The performance of mixers was characterized by a comprehensive computational fluid dynamics (CFD) method that couples heat and mass transfer. The results show that the optimized mixer has a maximum increase of 4.25 times in mixing efficiency and 83.8% in heat transfer compared with 10 mm mixer without baffles structure. Furthermore, the scale of the mixer with triangular-notched rectangular baffles structures was enlarged to 25 mm under the premise of ensuring high mass and heat transfer efficiency, low-pressure drop and high treatment capacity. This study provides a scale-up strategy for continuous flow chemical process enhancement.
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