Idealized debris flow in flume with bed driven by a conveyor belt
By: Chi-Hai Ling and Cheng-lung Chen
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Abstract
The generalized viscoplastic fluid (GVF) model is used to derive the theoretical expressions of two-dimensional velocities and surface profile for debris flow established in a flume with bed driven by a conveyor belt. The rheological parameters of the GVF model are evaluated through the comparison of theoretical results with measured data. A slip velocity of the established (steady) nonuniform flow on the moving bed (i.e., the conveyor belt) is observed, and a relation between the slip velocity and the velocity gradient at the bed is derived. Two belts, one rough and the other smooth, were tested. The flow profile in the flume is found to be linear and dependent on the roughness of the belt, but not much on its speed.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Idealized debris flow in flume with bed driven by a conveyor belt |
| ISBN | 0872627195 |
| Year Published | 1989 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| First page | 1144 |
| Last page | 1149 |
| Conference Title | Proceedings of the 1989 National Conference on Hydraulic Engineering |
| Conference Location | New Orleans, LA, USA |
| Conference Date | 14 August 1989 through 18 August 1989 |
| Google Analytic Metrics | Metrics page |