給水管網平差
1.平差基本數據
1、平差類型：反算水源壓力。
2、計算公式：
柯爾勃洛克公式
I=λ*V^2/(2.0*g*D)
1.0/λ^0.5=-2.0*lg[k/(3.7*D)+2.5/(Re*λ^0.5)]
Re=V*D/ν
計算溫度：10 ，ν=0.000001
3、局部損失係數：1.20
4、水源點水泵參數：
水源點水泵楊程單位(m)，水源點水泵流量單位:(立方米/小時)
水源節點編號 流量1 揚程1 流量2 揚程2 流量3 揚程3
參數數據
1.節點參數
| 節點編號 | 流量(L/s) | 地面標高(m) | 節點水壓(m) | 自由水頭(m) |
| 1 | 27.72 | 48.190 | 1238423.668 | 1238375.478 |
| 2 | 80.74 | 49.130 | 797874.408 | 797825.278 |
| 3 | 46.59 | 48.610 | 294619.317 | 294570.707 |
| 4 | 31.60 | 48.720 | 136470.667 | 136421.947 |
| 5 | 84.49 | 53.600 | 46060.710 | 46007.110 |
| 6 | 82.75 | 46.400 | 260477.392 | 260430.992 |
| 7 | 154.78 | 47.010 | 122093.066 | 122046.056 |
| 8 | 187.18 | 48.970 | 37009.614 | 36960.644 |
| 9 | 121.04 | 50.130 | 14299.222 | 14249.092 |
| 10 | 97.61 | 50.550 | 14299.314 | 14248.764 |
| 11 | 12.05 | 44.640 | 1463882.836 | 1463838.196 |
| 12 | 49.33 | 44.800 | 1477648.884 | 1477604.084 |
| 13 | 95.60 | 45.540 | 24595.304 | 24549.764 |
| 14 | 183.97 | 46.520 | 9554.339 | 9507.819 |
| 15 | 126.93 | 48.880 | 8393.574 | 8344.694 |
| 16 | 21.96 | 41.380 | 1372221.568 | 1372180.188 |
| 17 | 80.34 | 41.800 | 799083.307 | 799041.507 |
| 18 | 50.88 | 44.000 | 286204.207 | 286160.207 |
| 19 | 22.90 | 41.290 | 252591.621 | 252550.331 |
| 20 | 75.78 | 44.300 | 89941.755 | 89897.455 |
| 21 | 57.57 | 41.570 | 25362.983 | 25321.413 |
| 22 | 74.18 | 41.570 | 8089.532 | 8047.962 |
| 23 | 59.31 | 41.380 | 7822.365 | 7780.985 |
| 24 | 19.41 | 42.590 | 3608.168 | 3565.578 |
| 25 | 60.92 | 41.330 | 8619.775 | 8578.445 |
| 26 | 0.00 | 44.300 | 36740.226 | 36695.926 |
| 27 | 3.75 | 43.060 | 6236.750 | 6193.690 |
| 28 | 93.59 | 41.570 | 4559.372 | 4517.802 |
| 29 | 36.55 | 40.910 | 2565.264 | 2524.354 |
| 30 | 89.31 | 47.650 | 523.641 | 475.991 |
| 31 | 181.29 | 47.820 | 730.161 | 682.341 |
| 32 | 93.19 | 46.530 | 4045.750 | 3999.220 |
| 33 | 47.53 | 51.170 | 84.970 | 33.800 |
| 34 | 90.91 | 49.900 | 156.666 | 106.766 |
| 35 | 124.65 | 47.750 | 1789.539 | 1741.789 |
| 36 | 32.27 | 47.340 | 1843.350 | 1796.010 |
2.管道參數
管道編號 管徑(mm) 管長(m) 流量(L/s) 流速(m/s) 千米損失(m) 管道損失(m)
1-11 100 340.0 1243.419 158.317 552595.999 225459.168
2-1 100 695.0 1215.704 154.788 528236.523 440549.260
3-4 100 685.0 733.669 93.414 192394.952 158148.650
3-2 100 820.0 1196.217 152.307 511438.100 503255.091
5-4 100 980.0 463.753 59.047 76879.216 90409.957
6-3 100 460.0 415.955 52.961 61851.313 34141.925
7-4 100 590.0 238.318 30.344 20307.347 14377.601
7-6 100 650.0 704.513 89.701 177415.804 138384.327
8-7 100 1050.0 434.619 55.337 67526.549 85083.452
8-5 100 675.0 176.765 22.506 11174.192 9051.096
9-8 100 1020.0 227.799 29.004 18554.242 22710.392
10-9 100 285.0 0.818 0.104 0.269 0.092
10-5 100 1805.0 202.502 25.783 14663.618 31761.396
11-12 150 40.0 2649.330 149.921 286792.671 13766.048
13-8 100 750.0 196.403 25.007 13793.677 12414.309
14-9 100 955.0 107.578 13.697 4140.387 4744.883
14-13 100 860.0 201.886 25.705 14574.579 15040.966
15-14 100 980.0 52.498 6.684 987.045 1160.765
15-10 100 1270.0 104.076 13.251 3875.157 5905.740
16-11 100 110.0 1393.861 177.472 694403.541 91661.267
17-16 100 710.0 1371.903 174.676 672697.490 573138.261
17-2 100 750.0 61.251 7.799 1343.221 1208.899
18-17 100 790.0 1230.317 156.649 541011.709 512879.100
18-6 100 435.0 371.304 47.276 49285.085 25726.814
19-18 100 120.0 808.134 102.895 233420.737 33612.586
20-19 100 615.0 785.239 99.980 220392.772 162649.866
20-7 100 600.0 353.431 45.000 44654.598 32151.311
21-13 100 175.0 101.082 12.870 3655.614 767.679
21-20 100 1015.0 385.117 49.035 53020.338 64578.772
22-21 100 785.0 226.461 28.834 18336.997 17273.452
22-14 100 640.0 72.998 9.294 1907.301 1464.807
23-15 100 1510.0 29.643 3.774 315.237 571.209
23-22 100 705.0 29.671 3.778 315.800 267.167
24-25 100 825.0 118.959 15.146 5062.229 5011.607
25-26 100 570.0 339.121 43.178 41111.770 28120.451
26-20 100 270.0 677.770 86.296 164202.249 53201.529
26-27 100 620.0 338.649 43.118 40999.296 30503.476
27-28 100 930.0 64.795 8.250 1503.027 1677.378
28-22 100 215.0 195.612 24.906 13682.790 3530.160
29-28 100 645.0 84.849 10.803 2576.367 1994.108
29-36 100 720.0 48.297 6.149 835.548 721.914
30-24 100 725.0 99.545 12.674 3545.434 3084.528
31-30 100 860.0 23.607 3.006 200.116 206.520
31-25 100 725.0 159.241 20.275 9068.523 7889.615
32-27 100 70.0 270.105 34.391 26083.339 2191.001
32-31 100 1020.0 87.007 11.078 2708.815 3315.589
33-30 100 890.0 33.846 4.309 410.741 438.671
34-31 100 780.0 41.350 5.265 612.708 573.494
34-33 100 885.0 13.688 1.743 67.511 71.696
35-34 100 950.0 63.251 8.053 1432.345 1632.873
35-32 100 650.0 89.909 11.448 2892.578 2256.211
35-28 100 960.0 81.967 10.436 2404.369 2769.833
36-35 100 485.0 16.029 2.041 92.459 53.811
3.管網平差結果特徵參數
水源點 12: 節點流量(L/s):-2649.330 節點壓力(m):1477648.88
最大管徑(mm):150.00 最小管徑(mm):100.00
最大流速(m/s):177.472 最小流速(m/s):0.104
水壓最低點 33, 壓力(m):84.97 自由水頭最低 33, 自由水頭(m):33.80
