Derivation of Incipient Velocity for uniform Sediment Based on the Concept of the Angle of Repose
On the basis of the angle of repose model for uniform sediment, the pickup probability of uniform sediment is theoretically studied. By comparing present model with experimental data, the unknown function in the pickup probability is derived. Once the incipient probability is built, the incipient velocity can be determined. Finally, the formula of incipient velocity has been tested against a wide range of laboratory data and the prediction by the newly proposed formula is very good.
the angle of repose incipient velocity uniform sediment shear stress
Luo Xian Yang Fengguang
School of Information and Sciences Engineering Chongqing Jiaotong University Chongqing 400074, China State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University Chengdu 610065
国际会议
深圳
英文
99-101
2011-03-28(万方平台首次上网日期,不代表论文的发表时间)