Numerical Monitoring of Natural Gas Distribution Discrepancy Using CFD Simulator

Table 6

Starting point of Stage 1 of the test simulation.

Test number	Object	Parameter	Dimension of value	Basic point	Start point	Deviation, [%]
1	CGP 6	Flow rate	[kg/s]	39.40972	40.59202	3.00
	CGP 5	Flow rate	[kg/s]	39.40972	40.59202	3.00
	CGP 4	Flow rate	[kg/s]	39.40972	40.59202	3.00
	CGP 3	Flow rate	[kg/s]	39.40972	40.59202	3.00
	CGP 2	Flow rate	[kg/s]	39.40972	40.59202	1.60
	CGP 1	Flow rate	[kg/s]	39.40972	40.59202	1.60
	GDS 3	Pressure	[Pa]	1180056.46	1198885.22	1.60
	GDS 2	Pressure	[Pa]	1180056.46	1198885.22	−2.50
	GDS 1	Pressure	[Pa]	1180056.46	1198885.22	−2.50
2	CGP 6	Flow rate	[kg/s]	39.40972	38.42448	−2.50
	CGP 5	Flow rate	[kg/s]	39.40972	38.42448	−2.50
	CGP 4	Flow rate	[kg/s]	39.40972	38.42448	−2.50
	CGP 3	Flow rate	[kg/s]	39.40972	38.42448	−2.50
	CGP 2	Flow rate	[kg/s]	39.40972	38.42448	−1.33
	CGP 1	Flow rate	[kg/s]	39.40972	38.42448	−1.33
	GDS 3	Pressure	[Pa]	1180056.46	1164365.82	−1.33
	GDS 2	Pressure	[Pa]	1180056.46	1164365.82	2.00
	GDS 1	Pressure	[Pa]	1180056.46	1164365.82	−4.00
3	CGP 6	Flow rate	[kg/s]	39.40972	40.19792	4.00
	CGP 5	Flow rate	[kg/s]	39.40972	37.83333	−6.00
	CGP 4	Flow rate	[kg/s]	39.40972	40.98611	2.00
	CGP 3	Flow rate	[kg/s]	39.40972	37.04514	−6.00
	CGP 2	Flow rate	[kg/s]	39.40972	40.19792	−1.50
	CGP 1	Flow rate	[kg/s]	39.40972	37.04514	−1.50
	GDS 3	Pressure	[Pa]	1180056.46	1162355.65	−1.50
	GDS 2	Pressure	[Pa]	1180056.46	1162355.65	𝑡^GDSflow_rate=2,5%
	GDS 1	Pressure	[Pa]	1180056.46	1162355.65	[%]