Research on Gas Exploration Shock Wave Spread Law via One-Way Bifurcation Pipeline

Table 3

Pressure data of the shock wave via the one-way bifurcation pipeline.

Shock wave overpressure	Branch bifurcation angle β (°)	9.5% gas-filling length (m)	Testing point 1 (KPa)	Testing point 2 (KPa)	Testing point 3 (KPa)	Pipeline bifurcation coefficient M	Straight pipeline attenuation coefficient K1	Branch pipeline attenuation coefficient K2
Peak overpressure	30	4	32.27	24.12	21.57	0.89	1.34	1.50
		5	39.00	28.59	25.78	0.90	1.36	1.51
		6	45.54	32.90	29.94	0.91	1.38	1.52
	45	4	34.63	26.50	18.53	0.70	1.31	1.87
		5	41.42	31.10	22.18	0.71	1.33	1.87
		6	47.95	35.61	25.71	0.72	1.35	1.87
	60	4	34.74	28.07	15.50	0.55	1.24	2.24
		5	41.49	33.21	18.47	0.56	1.25	2.25
		6	48.01	38.17	21.30	0.56	1.26	2.25
	90	4	34.82	29.28	12.65	0.43	1.19	2.75
		5	41.57	34.71	15.00	0.43	1.20	2.77
		6	48.04	40.00	17.27	0.43	1.20	2.78
	120	4	34.81	29.63	11.42	0.39	1.17	3.05
		5	41.53	35.19	13.55	0.39	1.18	3.06
		6	48.05	40.57	15.61	0.38	1.18	3.08
	135	4	34.79	29.64	11.02	0.37	1.17	3.16
		5	41.50	35.13	12.98	0.37	1.18	3.20
		6	48.01	40.57	14.98	0.37	1.18	3.20
	150	4	34.83	29.65	10.98	0.37	1.17	3.17
		5	41.55	35.15	12.87	0.37	1.18	3.23
		6	48.06	40.59	14.74	0.36	1.18	3.26