IWA Publishing

Table 4

Operating data of six-loop WDN

Node	Observed demand (l/s)	Water loss in node (l/s)	Pipe	*Observed flow rate (l/s)	Leakage in pipe (l/s)
Reservoir	–	–	1	348.51	3
1	55	5	2	282.49	0
2	47	2	3	120.21	3
3	42	2	4	107.8	4
4	36	1	5	106.29	4
5	56	6	6	44.29	3
6	65	5	7	111.58	2
7	61	6	8	190.7	2
8	44	4	9	90.23	5
9	58	3	10	44.43	0
10	63	3	11	20.46	2
11	58	3	12	87.87	5
12	54	4	13	56.47	0
			14	20.47	5
			15	48.2	1
			16	18.67	5
			17	43.33	3
			18	686	–

Node	Observed demand (l/s)	Water loss in node (l/s)	Pipe	*Observed flow rate (l/s)	Leakage in pipe (l/s)
Reservoir	–	–	1	348.51	3
1	55	5	2	282.49	0
2	47	2	3	120.21	3
3	42	2	4	107.8	4
4	36	1	5	106.29	4
5	56	6	6	44.29	3
6	65	5	7	111.58	2
7	61	6	8	190.7	2
8	44	4	9	90.23	5
9	58	3	10	44.43	0
10	63	3	11	20.46	2
11	58	3	12	87.87	5
12	54	4	13	56.47	0
			14	20.47	5
			15	48.2	1
			16	18.67	5
			17	43.33	3
			18	686	–

*All observed flow rates were assumed to be measured only at initial points of pipes in the WDN.

Although there are no leakages in pipes 2, 10 and 13, they were assumed as pseudo nodes (nodes 13, 21 and 25) due to their being leak candidates.