Analysis of Hazard Area of Dispersion Caused by Leakage from Underground Gas-Storage Caverns in Salt Rock

Table 1

Wind-tunnel test data of acetylene diffusion [27].

		Concentration (V/%)
Height (m)		Downwind distance (m)				Test conditions
		1	2	3	4
Test 1	0.81		0.0	0.0	0.0
	0.69		0.054	0.201	0.0165	Discharge rate 6 m^3/h
	0.57	1.004	0.729	0.463	0.189	The average wind speed 2.0 m/s
	0.45	5.77	1.666	0.732	0.461	Gas temperature −10°C
	0.33	1.262	0.776	0.469	0.287	Discharge time 3 min
	0.21		0.358	0.221	0.0253	Ambient temperature −10°C
	0.09		0.0	0.053	0.0
Test 2	0.81		0.0	0.053	0.028
	0.69	0.0	0.0	0.13	0.302	Discharge rate 8 m^3/h
	0.57	1.298	0.775	0.532	0.38	The average wind speed 2.0 m/s
	0.45	6.245	1.865	0.758	0.53	Gas temperature −10°C
	0.33	1.31	0.823	0.483	0.23	Discharge time 3 min
	0.21		0.0	0.22	0.103	Ambient temperature −10°C
	0.09		0.0	0.0	0.082

Note. The value in the location of the underline is the maximum concentration.