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Hydrodynamic Forces on Spillway Torque-Tube Gates
| 题名： | Hydrodynamic Forces on Spillway Torque-Tube Gates |
| 作者： | Bejar, Luis A. de##Stockstill, Richard L. |
| 关键词： | *HYDRAULIC GATES##*HYDRAULIC PRESSURE##*SPILLWAYS##CONFIGURATIONS##DAMS##DISPERSIONS##FLOW##HYDRAULICS##HYDRODYNAMICS##MATHEMATICAL MODELS##MATHEMATICAL PREDICTION##MODELS##NAVIGATION##PHYSICAL PROPERTIES##POSITION(LOCATION)##REPRINTS##TORQUE##TUBES |
| 摘要： | The critical hydraulic configuration for a set of torque-tube gates controlling the flow through the navigable portion of a spillway was experimentally identified. In this paper, an analytical model for the upstream pressure field on a typical gate within the set is constructed. The gate rotation from the maximum elevation gate in closed position and the hydraulic torque transmitted by the pressure field to the gate tube are formulated. Mean values of parameters of response are often sufficient for the preliminary design of a gate. The dispersions of these parameters of response, which are necessary for the final design of a gate, may be computed using the corresponding mean-square values. These were obtained empirically in a flume from experiments on a 115-scale physical model of a set of three prototype gates for the Montgomery Point Lock and Dam project. Theoretical predictions of parameter mean and mean-square values compare well with the average corresponding statistics obtained experimentally. |
| 总页数： | 13 |
| 报告类型： | 科技报告 |
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