Optimal Pipe Size Design for Looped Irrigation Water Supply System Using Harmony Search: Saemangeum Project Area

Table 6

Analysis results of the optimal and initial hydraulic designs (based on statistical values of the nodal head and pipe velocity).

Target water supply network	Nodal pressure head (m)				Pipe velocity (m/s)
	Min.	Max.	Avg.	Var.	Min.	Max.	Avg.	Var.
Six zones of Saemangeum (looped type)	17.65	31.66	23.04	13.95	0.01	1.92	0.97	0.16
Optimal design	10.00	29.08	15.36	23.68	0.02	2.46	1.18	0.29