用主成分分析法分析封闭管道内气体流动参数

L. J., Chrystella Jacob, S. T, Riswanth S, S. M.
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引用次数: 0

摘要

流体通过管道流动的特征是压力、温度、几何收缩和设置在其路径上的调节装置。本文的研究集中在使加压氮气通过控制阀以达到下游的设定压力时所获得的数据。数据包含大量的压力、温度和PID反馈值在其路径的不同点的数据。在将来的分析中,需要考虑到达到设定压力所涉及的主要成分。因此,采用主成分分析(PCA)来寻找方差较大的变量。结果表明,出口内表面温度和出口外表面温度是主要影响因素。
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Analysis of the Flow Parameters of Gases Across Closed Pipe ection using Principal Component Analysis
Fluid flow through pipes are characterised by the pressure, temperature, geometric constrictions and the regulatory devices set across its path. The study in this paper concentrates on the data obtained when the pressurised nitrogen gas is made to pass through a control valve to achieve the set pressure at the downstream. The data contains numerous data of pressure, temperature and the PID feedback values at different points along its path. The principal components involved in reaching the set pressure need to be taken for consideration for any future analysis. Hence Principal Component Analysis (PCA) is employed to find the variables with considerable variance. It was observed that the temperature at the inner surface and outer surface at the exit were the principal components.
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