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Flow Characteristics in Flood-Control Tunnel 10, Fort Randall Dam, Missouri River, South Dakota. Hydraulic Prototype Tests
Tests were conducted in tunnel 10 to investigate flow characteristics of a large circular tunnel, flowing full. Measurements included pressures in the tunnel intake and along the tunnel, and velocity distributions obtained from nine total-head tubes mounted on a streamlined strut spanning the tunnel horizontally. The strut instrumentation also included six pressure transducers and three hot-film anemometers. The electrical signals from the transducers and anemometers were recorded on both oscillographs and magnetic tape. Total-head tubes mounted on boundary zone probes were used to traverse the region of flow near the wall. Intake and transition pressures were generally lower than those measured in a previous model study of the tunnel. Resistance coefficients indicate an interior surface intermediate between hydraulically smooth and rough flow limits, but closer to rough. (Author)
Flow Characteristics in Flood-Control Tunnel 10, Fort Randall Dam, Missouri River, South Dakota. Hydraulic Prototype Tests
Tests were conducted in tunnel 10 to investigate flow characteristics of a large circular tunnel, flowing full. Measurements included pressures in the tunnel intake and along the tunnel, and velocity distributions obtained from nine total-head tubes mounted on a streamlined strut spanning the tunnel horizontally. The strut instrumentation also included six pressure transducers and three hot-film anemometers. The electrical signals from the transducers and anemometers were recorded on both oscillographs and magnetic tape. Total-head tubes mounted on boundary zone probes were used to traverse the region of flow near the wall. Intake and transition pressures were generally lower than those measured in a previous model study of the tunnel. Resistance coefficients indicate an interior surface intermediate between hydraulically smooth and rough flow limits, but closer to rough. (Author)
Flow Characteristics in Flood-Control Tunnel 10, Fort Randall Dam, Missouri River, South Dakota. Hydraulic Prototype Tests
J. V. Dawsey (author) / C. J. Huval (author) / W. C. Blanton (author)
1963
84 pages
Report
No indication
English
Civil Engineering , Fluid Mechanics , Dams , Underground structures , South Dakota , Fluid flow , Hydraulic models , Model tests , Pressure , Transducers , Anemometers , Meters , Rivers , Floods , Control , Tables , Data processing systems , Fort Randall Dam , Tunnels , Missouri River , Data reduction , Flood control
Flow characteristics in flood-control tunnel 10 Fort Randall dam, Missouri river South Dakota
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