CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters

Systematically researching the association of the turbulentflow in cyclone with the particle revolution and high-speed self-rotation may provide new insights for improving the separation performance and expanding the application of cyclones. In this study, the effect of cyclone structural parameters...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Pengbo Fu, Hao Yu, Qiqi Li, Tingting Cheng, Fangzheng Zhang, Yuang Huang, Wenjie Lv, Guangli Xiu, Hualin Wang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Cyclone separation Computational fluid dynamics Discrete element method Particle revolution Particle self-rotation Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/fe80f402b1874e6692aec17fce5bd124
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:fe80f402b1874e6692aec17fce5bd124
record_format	dspace
spelling	oai:doaj.org-article:fe80f402b1874e6692aec17fce5bd1242021-11-18T04:52:46ZCFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters2666-821110.1016/j.ceja.2021.100176https://doaj.org/article/fe80f402b1874e6692aec17fce5bd1242021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666821121000636https://doaj.org/toc/2666-8211Systematically researching the association of the turbulentflow in cyclone with the particle revolution and high-speed self-rotation may provide new insights for improving the separation performance and expanding the application of cyclones. In this study, the effect of cyclone structural parameters and inlet gas velocity on the continuous phase flow field as well as the revolution and high-speed self-rotation of the dispersed phase particles. It was observed that the particle self-rotation speed increases with the increase of cylinder-to-cone ratio, the decrease of the cone angle, and the increase of the inlet gas velocity. With the cylinder-to-cone ratio, i=1, half-cone angle, α=4.7° and the inlet gas velocity of 20 m/s, the average particle self-rotation speed was determined to be 7124 rad/s. Meanwhile, it was also revealed that the cyclone structure and inlet gas velocity remarkably affected the velocity of the flow field, vorticity, pressure drop and residence time of revolution movement of particles within the cyclone. This study can provide theoretical fundamental for the industrial applications of cyclone in chemical engineering and environmental engineering related to the separation of pollutants on the surface of particles and in pores.Pengbo FuHao YuQiqi LiTingting ChengFangzheng ZhangYuang HuangWenjie LvGuangli XiuHualin WangElsevierarticleCyclone separationComputational fluid dynamicsDiscrete element methodParticle revolutionParticle self-rotationChemical engineeringTP155-156ENChemical Engineering Journal Advances, Vol 8, Iss , Pp 100176- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Cyclone separation Computational fluid dynamics Discrete element method Particle revolution Particle self-rotation Chemical engineering TP155-156
spellingShingle	Cyclone separation Computational fluid dynamics Discrete element method Particle revolution Particle self-rotation Chemical engineering TP155-156 Pengbo Fu Hao Yu Qiqi Li Tingting Cheng Fangzheng Zhang Yuang Huang Wenjie Lv Guangli Xiu Hualin Wang CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
description	Systematically researching the association of the turbulentflow in cyclone with the particle revolution and high-speed self-rotation may provide new insights for improving the separation performance and expanding the application of cyclones. In this study, the effect of cyclone structural parameters and inlet gas velocity on the continuous phase flow field as well as the revolution and high-speed self-rotation of the dispersed phase particles. It was observed that the particle self-rotation speed increases with the increase of cylinder-to-cone ratio, the decrease of the cone angle, and the increase of the inlet gas velocity. With the cylinder-to-cone ratio, i=1, half-cone angle, α=4.7° and the inlet gas velocity of 20 m/s, the average particle self-rotation speed was determined to be 7124 rad/s. Meanwhile, it was also revealed that the cyclone structure and inlet gas velocity remarkably affected the velocity of the flow field, vorticity, pressure drop and residence time of revolution movement of particles within the cyclone. This study can provide theoretical fundamental for the industrial applications of cyclone in chemical engineering and environmental engineering related to the separation of pollutants on the surface of particles and in pores.
format	article
author	Pengbo Fu Hao Yu Qiqi Li Tingting Cheng Fangzheng Zhang Yuang Huang Wenjie Lv Guangli Xiu Hualin Wang
author_facet	Pengbo Fu Hao Yu Qiqi Li Tingting Cheng Fangzheng Zhang Yuang Huang Wenjie Lv Guangli Xiu Hualin Wang
author_sort	Pengbo Fu
title	CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
title_short	CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
title_full	CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
title_fullStr	CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
title_full_unstemmed	CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
title_sort	cfd-dem simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/fe80f402b1874e6692aec17fce5bd124
work_keys_str_mv	AT pengbofu cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT haoyu cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT qiqili cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT tingtingcheng cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT fangzhengzhang cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT yuanghuang cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT wenjielv cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT guanglixiu cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters AT hualinwang cfddemsimulationofparticlerevolutionandhighspeedselfrotationincycloneswithdifferentstructuralandoperatingparameters
_version_	1718425015828873216

CFD-DEM simulation of particle revolution and high-speed self-rotation in cyclones with different structural and operating parameters

Ejemplares similares