薄壁堰流计算.xls
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11直直立立矩矩形形薄薄壁壁堰堰:
不不淹淹没没,有有侧侧收收缩缩(bB)巴巴赞赞公公式式:
0.2mP上上1.13m,b2m,0.1mH1.24mQ=1.794+0.0133/H-0.133*(B-b)/B*1+0.55*(b/B)2*(H/(H+P上上)2*b*H(3/2)IDH(m)B(m)b(m)P上上(m)Q(m3/s)Q(m3/h)110.1300.1300.5300.5300.3500.3500.1200.1200.032340.03234116.4116.4220.0850.0850.5300.5300.3500.3500.1200.1200.017210.0172161.961.9330.0810.0810.5300.5300.3500.3500.1200.1200.016040.0160457.757.7445522直直立立矩矩形形薄薄壁壁堰堰:
不不淹淹没没,无无侧侧收收缩缩(b=B)巴巴赞赞公公式式:
0.2mP上上1.13m,b2m,0.1mH2H,B5H,且且H=(0.060.65m)Q=1.343*H2.47IDH(m)B(m)b(m)P上上(m)Q(m3/s)Q(m3/h)110.1050.1050.005130.0051318.518.52233445544三三角角形形薄薄壁壁堰堰:
不不淹淹没没(C90)P上上2H,B5H,且且H=(0.060.65m),(H=0.10.3),B为为渠渠宽宽Q=2.361*tg(C/2)0.5530+0.0195tg(C/2)+ctg(C/2)(0.0050+0.001055/H)*H(5/2)IDH(m)B(m)C()P上上(m)Q(m3/s)Q(m3/h)110.1050.10590.00090.0000.004960.0049617.817.82233445555梯梯形形薄薄壁壁堰堰:
不不淹淹没没m为为坡坡度度Q=m*(b+0.8*tgC*H)*(2*g)(1/2)*H(3/2)IDH(m)mC()b(m)Q(m3/s)Q(m3/h)P上P下bBP上110.2300.2300.2490.24914.00014.0000.3500.3500.048200.04820173.5173.52233445566梯梯形形薄薄壁壁堰堰:
不不淹淹没没m为为坡坡度度,m=1/4(C14);Q=1.86*b*H(3/2)IDH(m)mC()b(m)Q(m3/s)Q(m3/h)110.2300.2300.3500.3500.071810.07181258.5258.522334455