对比流量模数设计流量渠道底坡边坡系数计算流量模数已知水深流速KmQimKhjv14000.00140.00.00010.0013969.469724.351.285671157湿周渠道面积渠道底宽水力半径糙率谢才系数求知水深误差1误差2χABRnCkhj+1△△33.70108.7525.03.230.017071.514.3557020.30530.0057系数126.66528159系数22hj+14.355701664hj4.35误差△0.005701664判断验证梯形断面渠道设计面积A0.332441512角度j+13.660011523角度j+1弧度值209.7032湿周x1.464004609角度j20.3919084水深h10.502526591误差-16.7318969直径d0.8流量Q7.3i0.01n0.025管道面积S0.5024百分率(A/S)%0.661706832圆形过水断面