薄壁堰流计算

薄壁堰流计算IDH(m)B(m)b(m)P上(m)Q(m3/s)Q(m3/h)10.1300.1300.5300.5300.3500.3500.1200.1200.032340.03234116.4116.420.0850.0850.5300.5300.3500.3500.1200.1200.017210.0172161.961.930.0810.0810.5300.5300.3500.3500.1200.1200.016040.0160457.757.745IDH(m)B(m)b(m)P上(m)Q(m3/s)Q(m3/h)10.0300.0300.1000.1000.8000.8000.001160.001164.24.220.0190.0190.1500.1500.5000.5000.000980.000983.53.5345IDH(m)B(m)b(m)P上(m)Q(m3/s)Q(m3/h)10.0250.0250.000150.000150.50.52345IDH(m)B(m)C(°)P上(m)Q(m3/s)Q(m3/h)10.1050.10590.00090.0000.004960.0049617.817.82345IDH(m)mC(°)b(m)Q(m3/s)Q(m3/h)5梯形薄壁堰：不淹没梯形薄壁堰：不淹没m为坡度为坡度Q=m*(b+0.8*tgC*H)*(2*g)(1/2)*H(3/2)1Q=2.361*tg(C/2)[0.5530+0.0195tg(C/2)+ctg(C/2)(0.0050+0.001055/H)]*H(5/2)Q=1.343*H2.474三角形薄壁堰：不淹没三角形薄壁堰：不淹没(C≠90°)P上>2H,B>5H,且H=(0.06~0.65m),(H=0.1~0.3),B为渠宽为渠宽P上>2H,B>5H,且H=(0.06~0.65m)3三角形薄壁堰：不淹没三角形薄壁堰：不淹没(C=90°)直立矩形薄壁堰：不淹没，有侧收缩（直立矩形薄壁堰：不淹没，有侧收缩（b