Numerical simulation of the effects of the internal components on the uniformity of the flow field in a tubular separator.

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Bibliographic Details
Title:	Numerical simulation of the effects of the internal components on the uniformity of the flow field in a tubular separator.
Authors:	Li, Quan¹ (AUTHOR), Wang, Zongyong¹ (AUTHOR) syuctwzy@syuct.edu.cn, Lin, Ruting¹ (AUTHOR), Li, Shuai¹ (AUTHOR), Wang, Chao¹ (AUTHOR)
Source:	Journal of Mechanical Science & Technology. Nov2022, Vol. 36 Issue 11, p5477-5489. 13p.
Subjects:	Computer simulation, Reynolds number, Uniformity, Numerical analysis
Abstract:	This paper adopts the standard k-ε model and mixture model of the FLUENT code to numerically analyze the components characteristics of the gravity separator. It intends to involve several combinations of four types of rectifiers and two types of coalescers of corrugated plates to optimize the structure of the components. Numerical simulation analysis is carried out on the synergistic effect of the reflective inlet component, the rectifier of square grids, and the coalescer of perforated corrugated plates under variable working conditions. The results illustrate that when the distance between the rectifier and the separator's head is L1 = 3/4 D, the width L2 = 1/4 D, and the plate spacing L3 = 1/10 D, the separation effect gets improved. Additionally, the perforated corrugated plates prove better effects of rectification and coalescence. And when the distance between the coalescer and the head is L4 = 25/183 L and the elevation angle α = 2.5°, the separation performance will be further improved. What's more, the influence of the Reynolds number (Rei, from 5640 through 8297 in the inlet component) and the volume fraction of the dispersed phase (from 5 % through 30 %) on the separation effects of various combination conditions of the internal components has also been investigated. As the former increases, the combined of reflective inlet component, rectifier and coalescer will perform the best separation effects. As the latter increases, the separation efficiency of low-oil ratio of oil-water mixture of the jointly structured separator will increase the most. [ABSTRACT FROM AUTHOR]
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Database:	Engineering Source

Description
Abstract:	This paper adopts the standard k-ε model and mixture model of the FLUENT code to numerically analyze the components characteristics of the gravity separator. It intends to involve several combinations of four types of rectifiers and two types of coalescers of corrugated plates to optimize the structure of the components. Numerical simulation analysis is carried out on the synergistic effect of the reflective inlet component, the rectifier of square grids, and the coalescer of perforated corrugated plates under variable working conditions. The results illustrate that when the distance between the rectifier and the separator's head is L1 = 3/4 D, the width L2 = 1/4 D, and the plate spacing L3 = 1/10 D, the separation effect gets improved. Additionally, the perforated corrugated plates prove better effects of rectification and coalescence. And when the distance between the coalescer and the head is L4 = 25/183 L and the elevation angle α = 2.5°, the separation performance will be further improved. What's more, the influence of the Reynolds number (Rei, from 5640 through 8297 in the inlet component) and the volume fraction of the dispersed phase (from 5 % through 30 %) on the separation effects of various combination conditions of the internal components has also been investigated. As the former increases, the combined of reflective inlet component, rectifier and coalescer will perform the best separation effects. As the latter increases, the separation efficiency of low-oil ratio of oil-water mixture of the jointly structured separator will increase the most. [ABSTRACT FROM AUTHOR]
ISSN:	1738494X
DOI:	10.1007/s12206-022-1013-x