常用三角堰(夹角为直角)堰上水深与流量关系表

常用三角堰（夹角为直角）堰上水深与流量关系表
堰上水深 级别 4 4 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 水深 （cm) 19.5 20.0 20.1 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.1 25.5 26.0 26.5 27.0 27.5 28.0 28.5 29.0 29.5 30.0 L／s 23.3400 24.8651 24.9959 26.2581 27.8886 29.5784 31.3282 33.1387 35.0105 36.9444 38.9410 41.0010 43.1250 43.2419 44.9853 47.2230 49.5262 51.8955 54.3316 56.8350 59.4063 62.0463 64.7553 67.5342 L／min 1400.400 1491.900 1499.760 1575.490 1673.320 1774.710 1879.690 1988.320 2100.630 2216.660 2336.460 2460.060 2587.500 2594.510 2699.120 2833.380 2971.570 3113.730 3259.890 3410.100 3564.380 3722.780 3885.320 4052.050 流量q m3／h 84.000 89.500 90.000 94.500 100.400 106.500 112.800 119.300 126.000 133.000 140.200 147.600 155.300 155.700 161.900 170.000 178.300 186.800 195.600 204.600 213.900 223.400 233.100 243.100 m3／d 2016.578 2148.343 2159.648 2268.702 2409.578 2555.577 2706.759 2863.183 3024.910 3191.997 3364.503 3542.485 3726.000 3736.101 3886.733 4080.071 4279.066 4483.774 4694.248 4910.542 5132.707 5360.796 5594.862 5834.954 备注 堰上水深 h(cm) 系数 C
常用三角堰（夹角为直角）堰上水深与流量关系表
堰上水深 级别 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 水深 （cm) 1.0 1.5 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8 4.0 4.1 4.2 4.3 5.1 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.1 10.5 11.0 11.5 12.0 12.5 13.0 13.5 14.0 14.5 15.0 15.1 15.5 16.0 16.5 17.0 17.5 18.0 18.5 19.0 L／s 0.0142 0.0391 0.0803 0.1019 0.1267 0.1548 0.1863 0.2214 0.2601 0.3027 0.3492 0.3997 0.4544 0.4833 0.5133 0.5445 0.8282 1.0003 1.2434 1.5188 1.8279 2.1721 2.5524 2.9701 3.4263 3.9222 4.4588 4.5387 5.0015 5.6184 6.2787 6.9836 7.7340 8.5307 9.3748 10.2671 11.2085 12.1999 12.3156 13.1475 14.2336 15.3718 16.5629 17.8078 19.1072 20.4618 21.8725 L／min 0.852 2.348 4.820 6.116 7.603 9.287 11.177 13.281 15.607 18.161 20.951 23.983 27.264 29.000 30.801 32.667 49.690 60.020 74.600 91.130 109.680 130.320 153.140 176.200 205.580 235.330 267.530 272.320 300.090 337.100 376.720 419.020 464.040 511.840 562.490 616.030 672.510 731.990 738.940 788.850 854.020 922.310 993.780 1068.470 1146.430 1227.710 1312.350 流量q m3／h 0.051 0.141 0.289 0.367 0.456 0.557 0.671 0.797 0.936 1.090 1.257 1.439 1.636 1.740 1.848 1.960 3.000 3.600 4.500 5.500 6.600 7.800 9.200 10.700 12.300 14.100 16.100 16.300 18.000 20.200 22.600 25.100 27.800 30.700 33.700 37.000 40.400 43.900 44.300 47.300 51.200 55.300 59.600 64.100 68.800 73.700 78.700 m3／d 1.227 3.381 6.940 8.808 10.948 13.373 16.095 19.125 22.474 26.152 30.169 34.535 39.260 41.760 44.353 47.041 71.558 86.425 107.426 131.225 157.935 187.666 220.525 256.614 296.032 338.877 385.241 392.144 432.131 485.427 542.483 603.386 668.216 737.055 809.984 887.078 968.416 1054.071 1064.072 1135.946 1229.783 1328.123 1431.037 1538.593 1650.858 1767.901 1889.786 备注 堰上水深 h(cm) ＜5 5.1～10.0 10.1～15.0 15.1～20.0 20.1～25.0 25.1～30.0 公式 系数 C 0.0142 0.0141 0.0140 0.0Hale Waihona Puke Baidu39 0.0138 0.0137 Q=ch5/2