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Noise Test and Analysis of Two-phase Flow in Pipelines
YUAN Jin-ning;HAO Dian;WANG Jia
2012, 32 (2):
168-170.
DOI: 10.3969/j.issn.1006-1355-2012.02.041
Gas-and-liquid double-phased flow in pipelines generates noises. In this work, the double-channel data collector and spectrum analysis instrument were applied for data collection and processing of the noise of the pipelines. By changing the experiment conditions, the noises of the pipelines with different gas and liquid ratios were measured, and the corresponding frequency spectra of the noise were obtained. Through statistical analysis of the noise frequency spectra, the noise characters were summarized. It is concluded that noise testing is an effective method to confirm that whether the gas pipeline contains liquid and whether the liquid plug appears.
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