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中文摘要：
利用高灵敏度差压传感器,在垂直上升管中采集到了80组气液两相流差压波动信号.利用放置参考截面的方法,建立了描述混沌吸引子形态的一般方法,在此基础上,提出了不同维数下的吸引子形态特征量进行组合的气液两相流流型分类新方法.研究结果表明：该方法对包括复杂过渡流型在内的气液两相流流型有很好分类效果,预示着混沌吸引子形态描述是研究非线性时间序列的实用有效途径.
英文摘要：
Using the high sensitivity differential sensor,we collected 80 groups of fluctuating signals in vertical upward gas/liquid two phase flow. We established the general description method of chaotic attractor morphological characteristic using referenced sections, and then put forward a new flow pattern classification method of gas/liquid two phase flow by combining the chaotic attractor morphological feature parameters of different dimensions. The study shows that the proposed method can get a good clustering of gas/liquid two phase flow patterns, including the complex transitional flow pattern, and it implies that the method of chaotic attractor morphological characterization is an effective approach to study nonlinear time series in practice.
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