竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比

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竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比

张利琴, 黄彦平, 王俊峰, 宋明亮, 昝元锋

文章导航 > 核动力工程 > 2015 > 36(6): 37-40

张利琴, 黄彦平, 王俊峰, 宋明亮, 昝元锋. 竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比[J]. 核动力工程, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

引用本文:

张利琴, 黄彦平, 王俊峰, 宋明亮, 昝元锋. 竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比[J]. 核动力工程, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

ZHANG Liqin, HUANG Yanping, WANG Junfeng, SONG Mingliang, ZAN Yuanfeng. Comparative Investigation on Wake Characteristics of an Vapor and Air Bubble Rising in a Vertical Narrow Rectangular Channel[J]. Nuclear Power Engineering, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

Citation:

ZHANG Liqin, HUANG Yanping, WANG Junfeng, SONG Mingliang, ZAN Yuanfeng. Comparative Investigation on Wake Characteristics of an Vapor and Air Bubble Rising in a Vertical Narrow Rectangular Channel[J]. Nuclear Power Engineering, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

张利琴, 黄彦平, 王俊峰, 宋明亮, 昝元锋. 竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比[J]. 核动力工程, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

引用本文:

张利琴, 黄彦平, 王俊峰, 宋明亮, 昝元锋. 竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比[J]. 核动力工程, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

ZHANG Liqin, HUANG Yanping, WANG Junfeng, SONG Mingliang, ZAN Yuanfeng. Comparative Investigation on Wake Characteristics of an Vapor and Air Bubble Rising in a Vertical Narrow Rectangular Channel[J]. Nuclear Power Engineering, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

Citation:

ZHANG Liqin, HUANG Yanping, WANG Junfeng, SONG Mingliang, ZAN Yuanfeng. Comparative Investigation on Wake Characteristics of an Vapor and Air Bubble Rising in a Vertical Narrow Rectangular Channel[J]. Nuclear Power Engineering, 2015, 36(6): 37-40. doi: 10.13832/j.jnpe.2015.06.0037

竖直矩形窄缝通道内单个蒸汽泡和空气泡尾流特性的对比

doi: 10.13832/j.jnpe.2015.06.0037

中国核动力研究设计院中核核反应堆热工水力技术重点实验室, 成都, 610041

基金项目:

国家杰出青年科学基金(11325526)

国家自然科学基金(51176176)

作者简介:
张利琴（1984—），女，博士研究生，现从事反应堆热工水力特性研究

中图分类号: TL33
计量
- 文章访问数: 76
- HTML全文浏览量: 26
- PDF下载量: 0
- 被引次数: 0
出版历程
- 收稿日期: 2015-03-06
- 修回日期: 2015-08-04
- 网络出版日期: 2025-02-15

Comparative Investigation on Wake Characteristics of an Vapor and Air Bubble Rising in a Vertical Narrow Rectangular Channel

CNNC Key Laboratory on Nuclear Reactor Thermal Hydraulics Technology, Nuclear Power Institution of China, Chengdu, 610041, China

摘要: 采用粒子图像测速仪(PIV)对绝热条件下单个蒸汽泡在矩形窄缝通道内去离子水中上升的尾流特性进行研究,分析了入口平均流速和汽泡直径对蒸汽泡最终上升速度、尾流结构以及尾流速度场的影响,并与单个空气泡进行对比。实验结果表明,绝热条件下蒸汽泡的最终上升速度与汽泡直径的对应关系和空气泡存在差异,蒸汽泡尺寸和入口平均流速对蒸汽泡尾流的影响以及尾流中最大纵向速度发生的位置与空气泡相似,无显著差异。
- 矩形窄缝通道 /
- 蒸汽泡 /
- 空气泡 /
- 尾流 /
- 两相流流型 /
- 热工水力
Abstract: Wake characteristics of a single vapor bubble rising in a vertical narrow rectangular channel were studied by PIV, and the effects of bubble diameter and inlet average fluid velocity on bubble rising velocity, wake structure and velocity profile were analyzed. In addition, wake characteristic of single vapor bubbles was compared with that of single air bubbles. Results showed that the terminal rising velocity of vapor bubbles as function of the bubble diameter was a little different from that of air bubbles. Effects of bubble diameter and inlet average velocity on the wake and position with maximum longitudinal velocity in the wake were all similar to that of air bubbles.
- Narrow rectangular channel /
- Vapor bubble /
- Air bubble /
- Wake /
- Two-phase flow pattern /
- Thermal hydraulics

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文章访问数: 76
HTML全文浏览量: 26
PDF下载量: 0
被引次数: 0

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