Calculate pipe flow (Q = A x v from area and mean velocity) or open-channel flow (Manning from bed slope, roughness and hydraulic radius) to estimate a section conveyance capacity.
流量计算器 - 管道流量与明渠流量计算,支持曼宁公式与截面流量计算。。科学研究工具,采用标准科学公式,计算精准。