Research on Liquid Flow Rate Detection of Mixed Fluid Based on Vibration Signal Characteristic Analysis of Gas Liquid Two-Phase Flow

Table 1

Experimental measurement parameters for characteristic analysis of gas-liquid two-phase pipe flow excitation signals.

Gas flow rate (m^3/h)	Liquid flow rate (m^3/h)	Fluid velocity (m/s)	Pressure (Kpa)	Pressure difference (Kpa)	Measurement point
8.7	0.22	0.21	5.02	−1.30	Acceleration sensor unit (at 2-3 times the pipe diameter of the lower elbow of the pipeline)
19.63	0.22	0.46	5.31	−2.03
32.12	0.22	0.75	6.63	−4.49
38.49	0.22	0.90	7.59	−6.12
51.3	0.21	1.20	8.6	−8.90
59.88	0.21	1.39	14.19	−20.28
11.31	0.33	0.27	4.45	1.58
19.35	0.33	0.46	6.61	−3.63
30.23	0.33	0.71	5.96	−1.56
38.40	0.33	0.89	7.31	−4.68
49.8	0.33	1.16	11.45	−13.26
58.76	0.33	1.40	19.56	−11.49
9.80	0.61	0.24	9.21	1.94
20.06	0.61	0.48	12.64	5.42
29.66	0.61	0.70	16.13	3.43
40.07	0.61	0.94	24.04	2.08
51.17	0.61	1.20	39.64	2.33
61.03	0.61	1.43	71.56	−10.21