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集输立管内气水两相流压差信号的特征分析
  • ISSN号：0253-231X
  • 期刊名称：《工程热物理学报》
  • 时间：0
  • 分类：O359.1[理学—流体力学;理学—力学]
  • 作者机构：[1]西安交通大学动力工程多相流国家重点实验室
  • 相关基金：中海油国家科技重大专项(No.2011ZX05026-004-02);国家自然科学基金委创新群体项目(No.51121092)
作者： 李文升[1], 郭烈锦[1], 谢晨[1], 周宏亮[1], 王玉博[1]
关键词： 空气-水两相流, 集输-立管, 压差信号, 特征分析
中文摘要：

实验研究了水平段为400 m的长距离集输-立管系统内的空气-水两相流动,观察到四类流型:第一类严重段塞流、第二类严重段塞流、过渡流型以及稳定流动;本文着重对四类不同流型下立管内压差信号进行了详细的特征分析;得到了立管压差随时间的变化速率、频谱特性以及概率密度分布等规律。分析结果表明:四类流型的压差变化速率差别明显,过渡流型立管内压差变化速率最为剧烈,稳定流动压差变化速率最为频繁;严重段塞流流型、过渡流型及稳定流动都有明显主频,但稳定流动频率幅值明显小于其他三类流型;四类流型的概率密度分布有明显区别,一类严重段塞流与稳定流动呈明显的单峰结构,二类严重段塞流呈明显的双峰结构,过渡流型的压差分布范围最广。

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期刊信息
  • 《工程热物理学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国工程热物理学会 中国科学院工程热物理研究所
  • 主编：徐建中
  • 地址：北京2706信箱
  • 邮编：100080
  • 邮箱：xb@mail.etp.ac.cn
  • 电话：010-62584937
  • 国际标准刊号：ISSN：0253-231X
  • 国内统一刊号：ISSN：11-2091/O4
  • 邮发代号:2-185
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:21026