Effects of different nozzle materials on atomization results via CFD simulation

doi:10.1016/j.cjche.2019.09.008

Chinese Journal of Chemical Engineering ›› 2020, Vol. 28 ›› Issue (2): 362-368.DOI: 10.1016/j.cjche.2019.09.008

• Fluid Dynamics and Transport Phenomena • Previous Articles Next Articles

Effects of different nozzle materials on atomization results via CFD simulation

Xiangyu Li¹, Jianjun Du^1,2, Licheng Wang³, Jiangli Fan^1,2, Xiaojun Peng^1,2

1 State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China;
2 Research Institute of Dalian University of Technology in Shenzhen, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, China;
3 Dalian FISTA Specialized Chemistry Co. Ltd., 131 Guangxian Road, Dalian 116023, China

Received:2019-04-09 Revised:2019-07-28 Online:2020-05-21 Published:2020-02-28
Contact: Jianjun Du
Supported by:
This work was financially supported by National Natural Science Foundation of China (21878039, 21822804, and 21676047), Dalian Science and Technology Major Project (2018ZD14GX002), NSFCLiaoning United Fund (U1608222).

Effects of different nozzle materials on atomization results via CFD simulation

Xiangyu Li¹, Jianjun Du^1,2, Licheng Wang³, Jiangli Fan^1,2, Xiaojun Peng^1,2

1 State Key Laboratory of Fine Chemicals, Dalian University of Technology, 2 Linggong Road, Dalian 116024, China;
2 Research Institute of Dalian University of Technology in Shenzhen, Gaoxin South fourth Road, Nanshan District, Shenzhen 518057, China;
3 Dalian FISTA Specialized Chemistry Co. Ltd., 131 Guangxian Road, Dalian 116023, China

通讯作者: Jianjun Du
基金资助:
This work was financially supported by National Natural Science Foundation of China (21878039, 21822804, and 21676047), Dalian Science and Technology Major Project (2018ZD14GX002), NSFCLiaoning United Fund (U1608222).

Abstract

Abstract: Spray drying, as a crucial operation in industrial production, converts solution to fine particle. The spray moiety directly affects the final particle morphology, size and distribution. Compared with the experimental method, computational fluid dynamics (CFD) modeling is a powerful and convenient tool for simulating the spray process. Based on the verified CFD model, different materials of atomizer were simulated to investigate the effect on droplet size and distribution in this work. The modeling result proved that the droplet size and distribution were influenced by the resistance coefficient of materials, wherein the Reynolds number could change the effect of roughness along with the change of mass flow rate on spray process. The results in this work have implication for controlling droplet size through developing new spray nozzle with different materials or surface coating.

Key words: CFD modeling, Spray process, Atomizer materials, Droplet size, Size distribution

摘要： Spray drying, as a crucial operation in industrial production, converts solution to fine particle. The spray moiety directly affects the final particle morphology, size and distribution. Compared with the experimental method, computational fluid dynamics (CFD) modeling is a powerful and convenient tool for simulating the spray process. Based on the verified CFD model, different materials of atomizer were simulated to investigate the effect on droplet size and distribution in this work. The modeling result proved that the droplet size and distribution were influenced by the resistance coefficient of materials, wherein the Reynolds number could change the effect of roughness along with the change of mass flow rate on spray process. The results in this work have implication for controlling droplet size through developing new spray nozzle with different materials or surface coating.

关键词: CFD modeling, Spray process, Atomizer materials, Droplet size, Size distribution

Xiangyu Li, Jianjun Du, Licheng Wang, Jiangli Fan, Xiaojun Peng. Effects of different nozzle materials on atomization results via CFD simulation[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 362-368.

Xiangyu Li, Jianjun Du, Licheng Wang, Jiangli Fan, Xiaojun Peng. Effects of different nozzle materials on atomization results via CFD simulation[J]. 中国化学工程学报, 2020, 28(2): 362-368.

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Effects of different nozzle materials on atomization results via CFD simulation

Effects of different nozzle materials on atomization results via CFD simulation

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