管道直径流量计算公式

64 68 72 76 80 84 88 92 96 100 104 108 112 116 120
2.01062 2.26980 2.54469 2.83528 3.14159 3.46360 3.80132 4.15475 4.52389 4.90873 5.30929 5.72555 6.15752 6.60519 7.06858
Q 1.0 0.64 1.13 1.77 2.90 4.52 7.07 11.95 18.10 28.27 37.39 44.18 63.62 113.10 143.14 176.71 254.47 346.36 452.39 572.55 706.86 779.31 855.ቤተ መጻሕፍቲ ባይዱ0 1017.88 1122.21
3.14 3.98 4.91 5.41 5.94 7.07 7.79 8.30 9.62 11.04 12.57 15.90 19.63 23.76 28.27 33.18 38.48 44.18
3.77 4.77 5.89 6.49 7.13 8.48 9.35 9.95 11.55 13.25 15.08 19.09 23.56 28.51 33.93 39.82 46.18 53.01
Q 2.5 1.59 2.83 4.42 7.24 11.31 17.67 29.86 45.24 70.69 93.48 110.45 159.04 282.74 357.85 441.79 636.17 865.90 1130.97 1431.39 1767.14 1948.28 2138.24 2544.69 2805.52
外径 20 25 32 40 50 63 75 90 110 125 140 150 200 225 250 315 355 400 500
S 0.00018 0.00031 0.00049 0.00080 0.00126 0.00196 0.00332 0.00503 0.00785 0.01039 0.01227 0.01767 0.03142 0.03976 0.04909 0.07069 0.09621 0.12566 0.15904 0.19635 0.21648 0.23758
Q 8
Q 9
Q 10
Q 20
Q 25
Q 30
Q 40
1.01 1.27 1.57 1.73 1.90 2.26 2.49 2.65 3.08 3.53 4.02 5.09 6.28 7.60 9.05 10.62 12.32 14.14
1.13 1.43 1.77 1.95 2.14 2.54 2.81 2.99 3.46 3.98 4.52 5.73 7.07 8.55 10.18 11.95 13.85 15.90
18.10 20.43 22.90 25.52 28.27 31.17 34.21 37.39 40.72 44.18 47.78 51.53 55.42 59.45 63.62
20.11 22.70 25.45 28.35 31.42 34.64 38.01 41.55 45.24 49.09 53.09 57.26 61.58 66.05 70.69
630
0.28274 0.31172 0.33183 0.38484 0.44179 0.50265 0.63617 0.78540 0.95033 1.13097 1.32732 1.53938 1.76714
1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000
5.03 6.36 7.85 8.66 9.50 11.31 12.47 13.27 15.39 17.67 20.11 25.45 31.42 38.01 45.24 53.09 61.58 70.69
16.08 18.16 20.36 22.68 25.13 27.71 30.41 33.24 36.19 39.27 42.47 45.80 49.26 52.84 56.55
Q 0.7 0.45 0.79 1.24 2.03 3.17 4.95 8.36 12.67 19.79 26.17 30.93 44.53 79.17 100.20 123.70 178.13 242.45 316.67 400.79 494.80 545.52 598.71 712.51 785.55
Q 45
Q 50
Q 60
5.65 7.16 8.84 9.74 10.69 12.72 14.03 14.93 17.32 19.88 22.62 28.63 35.34 42.76 50.89 59.73 69.27 79.52
6.28 7.95 9.82 10.82 11.88 14.14 15.59 16.59 19.24 22.09 25.13 31.81 39.27 47.52 56.55 66.37 76.97 88.36
7.54 9.54 11.78 12.99 14.25 16.96 18.70 19.91 23.09 26.51 30.16 38.17 47.12 57.02 67.86 79.64 92.36 106.03
90.48 102.14 114.51 127.59 141.37 155.86 171.06 186.96 203.58 220.89 238.92 257.65 277.09 297.23 318.09
公称直径 15 20 25 32 40 50 65 80 100 115 125 150 200 225 250 300 350 400 450 500 525 550 600 630 650 700 750 800 900 1000 1100 1200 1300 1400 1500
英寸 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 4 5 6 8 9 10 12 14 16 18 20 20.5 21 24 25 26 28 30 32 36 40 44 48 52 56 60
Q 2.0 1.27 2.26 3.53 5.79 9.05 14.14 23.89 36.19 56.55 74.79 88.36 127.23 226.19 286.28 353.43 508.94 692.72 904.78 1145.11 1413.72 1558.62 1710.60 2035.75 2244.41
60.32 68.09 76.34 85.06 94.25 103.91 114.04 124.64 135.72 147.26 159.28 171.77 184.73 198.16 212.06
80.42 90.79 101.79 113.41 125.66 138.54 152.05 166.19 180.96 196.35 212.37 229.02 246.30 264.21 282.74
100.53 113.49 127.23 141.76 157.08 173.18 190.07 207.74 226.19 245.44 265.46 286.28 307.88 330.26 353.43
120.64 136.19 152.68 170.12 188.50 207.82 228.08 249.29 271.43 294.52 318.56 343.53 369.45 396.31 424.11
1.26 1.59 1.96 2.16 2.38 2.83 3.12 3.32 3.85 4.42 5.03 6.36 7.85 9.50 11.31 13.27 15.39 17.67
2.51 3.18 3.93 4.33 4.75 5.65 6.23 6.64 7.70 8.84 10.05 12.72 15.71 19.01 22.62 26.55 30.79 35.34
Q 1.5 0.95 1.70 2.65 4.34 6.79 10.60 17.92 27.14 42.41 56.09 66.27 95.43 169.65 214.71 265.07 381.70 519.54 678.58 858.83 1060.29 1168.97 1282.95 1526.81 1683.31
40.21 45.40 50.89 56.71 62.83 69.27 76.03 83.10 90.48 98.17 106.19 114.51 123.15 132.10 141.37
50.27 56.74 63.62 70.88 78.54 86.59 95.03 103.87 113.10 122.72 132.73 143.14 153.94 165.13 176.71