CIESC Journal ›› 2024, Vol. 75 ›› Issue (8): 2744-2755.DOI: 10.11949/0438-1157.20240217
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
Haoyu WANG(), Yang YANG, Wenjie JING, Bin YANG(), Yu TANG, Yi LIU
Received:
2024-02-29
Revised:
2024-05-08
Online:
2024-08-21
Published:
2024-08-25
Contact:
Bin YANG
通讯作者:
杨斌
作者简介:
王皓宇(1994—),男,博士研究生,wanghaoyuu@163.com
基金资助:
CLC Number:
Haoyu WANG, Yang YANG, Wenjie JING, Bin YANG, Yu TANG, Yi LIU. Study on characteristics of gas-liquid spiral annular flow under action by different swirlers[J]. CIESC Journal, 2024, 75(8): 2744-2755.
王皓宇, 杨杨, 荆文婕, 杨斌, 唐雨, 刘毅. 不同旋流器作用下气液螺旋环状流动特性研究[J]. 化工学报, 2024, 75(8): 2744-2755.
参数 | 平板式 | 平板有中心柱式 | 螺旋 叶片式A | 螺旋 叶片式B |
---|---|---|---|---|
叶片个数 | 4 | 4 | 4 | 4 |
叶片厚度 | 1 mm | 1 mm | 1 mm | 1 mm |
出口角度 | 45° | 45° | 45° | 45° |
扭转角度 | 180° | 180° | 180° | 180° |
中心柱直径 | — | 6 mm | 6 mm | 6 mm |
入口角度 | 45° | 45° | 90° | 45° |
叶片高度 | 24.5 mm | 24.5 mm | 38.5 mm | 38.5 mm |
Table 1 Structural parameters of swirler
参数 | 平板式 | 平板有中心柱式 | 螺旋 叶片式A | 螺旋 叶片式B |
---|---|---|---|---|
叶片个数 | 4 | 4 | 4 | 4 |
叶片厚度 | 1 mm | 1 mm | 1 mm | 1 mm |
出口角度 | 45° | 45° | 45° | 45° |
扭转角度 | 180° | 180° | 180° | 180° |
中心柱直径 | — | 6 mm | 6 mm | 6 mm |
入口角度 | 45° | 45° | 90° | 45° |
叶片高度 | 24.5 mm | 24.5 mm | 38.5 mm | 38.5 mm |
Fig.11 Probability density distribution of spiral annular flow film thickness generated by different swirlers [bubbly flow (jg=0.17 m·s-1, jl =1.2 m·s-1)]
Fig.12 Probability density distribution of spiral annular flow film thickness generated by different swirlers [slug flow(jg=0.35 m·s-1, jl =1.2 m·s-1)]
Fig.13 Probability density distribution of spiral annular flow film thickness generated by different swirlers [annular flow(jg=8 m·s-1, jl =0.8 m·s-1)]
Fig.14 Liquid film fluctuation diagrams at different liquid-phase equivalent velocities (jl =0.1—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a flat-vane swirler
Fig.15 Liquid film fluctuation diagrams at different liquid-phase equivalent velocities (jl =0.1—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a flat-vane swirler with hub
Fig.16 Probability density distribution diagram of different liquid-phase equivalent velocities (jl =0.4—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a flat-vane swirler
Fig.17 Probability density distribution diagram of different liquid-phase equivalent velocities (jl =0.4—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a flat-vane swirler with hub
Fig.18 Liquid film fluctuation diagrams at different liquid-phase equivalent velocities (jl =0.1—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a spiral -vane swirler A
Fig.19 Liquid film fluctuation diagrams at different liquid-phase equivalent velocities (jl =0.1—0.6 m·s-1) under the gas-phase equivalent velocity of jg=0.1 m·s-1 with a spiral -vane swirler B
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