differential pressure fluctuation差压波动
1.Analysis of differential pressure fluctuation signal of gas-liquid two-phase flow based on higher-order spectrum;基于高阶谱的气液两相流差压波动信号的分析
2.Property of differential pressure fluctuation signal of gas-liquid two-phase flow based on Hilbert-Huang transform;气液两相流差压波动信号的Hilbert-Huang变换特性
3)pressure-difference fluctuation method压差波动法
1.Analysis on power spectrum characteristics of gas-liquid two-phase vortex street based on pressure-difference fluctuation method;基于压差波动法的气液两相涡街功率谱特性分析
4)pressure standard deviation压力波动偏差
5)differential pressure fluctuation signal差压波动信号
1.For wiping off noise component from differential pressure signal of gas-liquid two-phase flow,and extracting differential pressure fluctuation signal,a signal process method of gas-liquid two-phase flow based on HHT(Hilbert-Huang Transform)was put forward.为了去除气液两相流差压信号中的噪声成分,并提取差压波动信号,提出了一种基于Hilbert-Huang Transform(HHT)的气液两相流信号处理方法。
2.The non-gaussian character of differential pressure fluctuation signal is picked up.本文将高阶统计量技术引入到两相流参数检测领域,提取了差压波动信号中的非高斯特性,并利用双谱估计对气固流化床、气液两相流和油田两相流系统的流型进行了辨识,同时也在自行设计的试验装置和大庆油田测井研究所模拟井装置上进行了试验验证,取得了一些有益的结论: ●基于高阶统计量技术,提出了一种气固流化床压力波动信号分析的新方法。
6)pressure drag fluctuation压差阻力波动
1.Influence of pressure drag fluctuation on centrifugal pump vibration;压差阻力波动对离心泵振动影响研究
延伸阅读
泵额定压差分子式：CAS号：性质：在泵额定工况下，其额定排出压与额定吸入压力之差。额定压差是泵性能的主要考核指标之一。
