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[1]顾春来,董守平.气液两相流流型信号的分形特征分析[J].油气储运,2001,20(7):25-27.[doi:10.6047/j.issn.1000-8241.2001.07.007]
　Gu Chunlai,Dong Shouping.The Fractal Feature of Gas-liquid Two-phase Flow Pattern Signals Based on Wavelet Transform[J].Oil & Gas Storage and Transportation,2001,20(7):25-27.[doi:10.6047/j.issn.1000-8241.2001.07.007]

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气液两相流流型信号的分形特征分析

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 20 期数: 2001年7期页码: 25-27 栏目: 出版日期: 1900-01-01

Title:: The Fractal Feature of Gas-liquid Two-phase Flow Pattern Signals Based on Wavelet Transform

作者:: 顾春来; 董守平; 石油大学(北京)机电工程学院

Author(s):: Gu Chunlai; Dong Shouping

关键词:: 气液两相流; 流型; 信号; 分形维数; 特征

Keywords:: gas-liquid two-phase flow; flow pattern; wavelet transform; fractal dimension; analysis

DOI:: 10.6047/j.issn.1000-8241.2001.07.007

摘要:: 对气液两相流流型的量化描述是气液两相流流型识别的关键问题。在室内气液两相流综合试验环道上,对气液两相水平管流中分层波状流向段塞流的转变过程进行了测试,采用了基于小波变换的分形理论对流型信号整体与局部的相似性进行了量化分析。结果表明,分层波状流和段塞流信号的分形维数之间存在显著差异,其分形维数可以作为流型量化描述的一个新指标。

Abstract:: Flow pattern quantization formulation is a key to gas-liquid two-phase flow pattern identification, A general gas-liquid two-phase flow experimental facility is established to obtain flow pattern signals in the transition between stratified wavy flow and slug flow. Fractal dimensions of these flow pattern signals are calculated with fractal theory based on wavelet transform. It is proven that the difference between fractal dimensions of the two flow pattern signals is enough to be considered as a new quantization symbol for flow pattern identification.

参考文献/References:

[1] 陈家琅:石油气液两相流,石油工业出版社(北京),1989.
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[5] 崔锦泰:小波分析导论,西安交通大学出版社(西安),1995.
[6] 秦前清杨宗凯:实用小波分析,西安电子科技大学出版社(西安),1995.收到日期:2001-04-05

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备注/Memo

收稿日期:2001-4-52001-4-5。
作者简介:顾春来,工程师,1969年生,1990年毕业于武汉水利电力大学机械工程系;1990年一1994年中国石油天然气总公司江汉机械研究所,从事油田水处理装备的研制;1999年11月石油大学(北京)获工学博士学位,现在石油大学(北京)博士后流动站工作,研究方向为多相流动信号测试与分析.102249,北京市昌平区;电话:13910570032.

更新日期/Last Update: 1900-01-01