Research Article
Optimization of Layout and Pipe Sizes for Irrigation Pipe Distribution Network Using Steiner Point Concept
Table 4
Comparison between looped network and initial Steiner tree network.
| | Parameter | Looped network | IST network |
| | Length (km) | 59.17 | 25.151 | | Area (km2) | 2057.17 | 2057.17 | | Material | PVC | PVC | | Source reservoir | 1 | 1 | | Node | 60 | 81 (60 + 21 Steiner points) | | Pipe | 87 | 81 | | Discharge capacity (cumecs) | 1.578 | 1.578 | | Total cost (rs.) | 25.86 crores | 24.76 crores | | Cost per km length (rs./km) | 0.437 crores | 0.984 crores |
| | | Minimum | Maximum | Minimum | Maximum | | Designed diameters (mm) | 50 | 1200 | 250 | 1600 | | Optimized diameter (mm) | 50 | 1200 | 250 | 1600 | | Pressures (m) | 0.17 | 20 | 0.65 | 23 | | Simulated pressures (m) | 0.28 | 19.3 | 0.85 | 21.72 |
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