Research Article
Experimental Investigations of Offshore Sand Production Monitoring Based on the Analysis of Vibration in Response to Weak Shocks
Figure 5
Characteristic analysis of the sand measurement signal under different flow velocity conditions (sand content 1‰, particle size 180 μm): (a) frequency domain diagram; (b) time spectrum; (c) 30-50 kHz time domain diagram; (d) power spectrum analysis.
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