Films on DVD
Motion pictures are produced at the Laboratory both for educational purposes and to document research projects. Until 1981, they were produced on 16 mm film. St. Anthony Falls Laboratory has selected some of these films to convert to DVD, copies of which are available for sale at $50 per film. Please send requests to safl@umn.edu.
Film No. 3 SOME PHENOMENA OF OPEN-CHANNEL FLOW.
33 minutes, Kodachrome, silent.
Open channel flow classroom lecture material demonstrated: Supercritical and Subcritical Flow; Hydraulic Jump; Hydraulic Drop; Specific Energy Curve; Pressure-Momentum Curve; Critical Depth; Travel of Surface Waves in Channels Flowing at Critical, Subcritical, and Superaritical Velocities; Critical Control Sections; Uphill Flow; Abrupt Gate Closure; Hydraulic Jump Inhibitor, Rat-Crested Weir; Channel Contraction Works; and Movable Bed Channels. 1947.
Film No. 5 UNDERWATER DENSITY CURRENTS.
Originally two 400-ft reels, 11 minutes each, Kodachrome, silent.
bensity current created by suspension of finely divided Ore-processing waste in water is studied as it rolls down a model lake bottom. Effect of surface waves on density current is shown. (Research by Dr. Lorenz G. Straub of potential density currents in Lake Superior, sponsored by Reserve Mining Company.) 1948.
Film No. 20 MISSOURI RIVER DIVERSION FOR CLOSURE OF FORT RANDALL DAM.
33 minutes, Kodachrome, silent.
This picture describes the unique methods used in closing the Missouri River at Fort Randall Dam. The closure was by hydraulic fill using the bcdload friction characteristics of the pumped-in fill to close the channel gradually and divert the river through the previously prepared outlet works. (An unprecedented river closure method developed by Dr. Lorcna G. Straub for Wcstern Contracting Corporation; field scenes by Omaha District of Corps of Engineers; and scale section model test scenes taken at the St. Anthony Falls Hydraulic Laboratory.) 1951.
Film No. 21 SURFACE WAVES.
24 minutes, Kodachrome silent.
This film demonstrates basic principles of wave theory arid how waves arc studied in a laboratory wave channel, Topics include wave dimension, particle motions, progressive waves, breaking waves, wave absorption, waves in moving water, and typical laboratory tests, (A St. Anthony Falls Hydraulic Laboratory dcmonstration.leeture film.) 1952.
Film No. 22 HYDRAULICS OF CULVERT INLETS.
17 minutes, Kodachrome, silent.
This film Is designed to emphasize the decisive importance of inlet geometry to the effective capacity of culverts. Scenes show small-scale, transparent models of larger scale experiments. (A St. Anthony Falls Hydraulic Laboratory demonstration-lecture film.) 1951.
Film No. 23 AERATED FLOW IN OPEN CHANNELS.
14 minutes, Kodachrome, silent.
Detailed field observations of aerated flows on chutes as well as views inside the Laboratory on an experimental test flume operating at various slopes. The SAF air concentration meter and velocity meter are demonstrated. (A St. Anthony Falls Hydraulic Laboratory research and demonstration film based upon tests sponsored by the Office of Naval Research.) 1952.
Film No. 24 EXPERIMENTAL DESIGN, BREAKWATER REVISION, INDIANA HARBOR
24 minutes, Kodachrome, silent.
Studies on a 1:50 scale section model of the stability of stone-armored rock-fill breakwater on Lake Michigan. Wave action on both the initial and final design stage of the breakwater are shown. (Design study by Dr. Lorenz G. Straub for Youngstown Sheet and Tube Company.) 1954.
Film No. 25 ST.ANTHONY FALLS GRAVITY-FLOW FREE-JET WATER TUNNEL.
11 minutes, Kodachrome, silent.
This film describes the 10-in, free-jet water tunncl at SAFHL, Scenes demonstrate the prototype being used to study steady-state cavitation on bodies of revolution. Pictures show the inception and growth of cavities and the relation of cavity size to cavitation index. (A St. Anthony Falls Hydraulic Laboratory research and demonstration film based on tests sponsored by the Office of Naval Research.) 1953.
Film No. 25-A CAVITY TESTS IN THE SAF GRAVITY-FREE-JET WATER TUNNEL.
8 minutes, Kodachrome, sound.
Further descripions of the free-jet water tunnel. The 10-in, axially symmetric jet and the two-dimensional jet test sections are demonstrated. Two-dimensional cavities are illustrated. 1956.
Film No. 27 TACONITE HARBOR BREAK WATER TESTS.
18 minutes, Kodachrome, silent.
Introductory scenes show field reconnaissance of Taconite Harbor site on Lake Superior 's north shore at start of construction of breakwater. Laboratory experimental observations of stability of breakwater under wave impacts are demonstrated, showing dynamic failures and remedial measures for arriving at optimum breakwater design. The wave model shows stability limitations of armor stone and core material, and the means of stabilizing temporary breakwater. (A St. Anthony Falls Hydraulic Laboratory experimental design study conducted for Eric Mining Company.) 1954.
Film No. 35 MAYFIELD PROJECT HYDRAULIC MODEL.
15 minutes, Kodachrome, silent.
Introductory scenes of reconnaissance of construction on the Cowlitz River about 52 miles from confluence with the columbia River. A 1:72 scale comprehensive model of one-half mile of river includes dam site, spillway, and power plant. Observations are shown which established optimum design features for various hydraulic aspects of the development, particularly the spillway structure. (Field reconnaissance by Dr. Lorenz G. Straub; model studies conducted for Department of Public Utilities, City of Tacoma, Washington; sponsored by Harza Engineering Company.) 1956.
Film No. 45 PASSAMAQUODDY TIDAL POWER PROJECT.
34 minutes.
Introductory scenes show field reconnaissance of proposed site of tidal power development project at the Passamaquoddy and Cobscook Bay area in the Bay of Fundy. Subsequent scenes show laboratory studies concerned with the construction of dams In water depths up to 280 ft, with be site subjected to tidal oscillations up to 26 ft. Construction procedures are shown simulating barge-dumping and truck-dumping of the rock used to form the darn and the placement of sand to reduce seepage. (Field reconnaissance by Dr. Lorenz G. Straub; model studies conducted for Passarnaquoddy Tidal Power Survey, U.S. Army Engineer Division, New England.) 1959.
Film No. 49 HYDRAULIC STUDIES OF CONCRETE PIPE.
21 minutes, Kodachrome, silent.
The Installation of 24-in, and 36-in concrete pipe in a laboratory facility and subsequent testing to determine the frictional resistance to flow are shown. The project involved test lengths up to 240 ft and discharges up to 150 cubic ft per sec. Some of the test data on hydraulic gradelines, Darcy's friction factor, and Manning's roughness coefficient are included in the film, (Sponsored by State Road Department of Florida and U.S. Bureau of Public Roads.) 1960.
Film No. 50 AN ARKANSAS RIVER CHANNEL STUDY—HYDRAULIC TESTS OF RIVER BED STABILIZATION BY GRAVEL
ARMORING.
30 minutes, Kodachrome, sound.
This film portrays the characteristics of flow over a layer of coarse particles applied to stabilize a bed composed of easily erodible fine sediment. The initiation and movement of particles over the bed are shown as well as the disruption and subsequent healing of the armoring layer by excessive local shear. The mechanism of leaching of fine sediment through the interstices of the coarse armor layer and the effect of thickness and composition of the armor layer on the leaching rate are shown in views taken through the wall of a glass-sided channel. (Sponsored by U.S. Army Engineer District, Little Rock.) 1960.
Film No. 55 SEDIMENTATION DUE TO WAVES AND DENSITY FLOWS.
10 minutes, Kodachrome, silent.
This film demonstrates the formation and progression down the slope of a density current formed by a sediment suspension. First, the motion of waves on a beach is shown by a suspension of neutrally buoyant particles. Following this. the creation of a density current by the action of waves on a beach of fine sediment is shown. 1961.
Film No. 56 FLUID MECHANICS—THE BOUNDARY LAYER.
30 minutes, Kodachrome, sound.
A series of demonstrations of physical principles with four main sequences: I) boundary layer on a flat platc, 2) boundary layers and pipe flow, 3) scparation of the boundary layer, and 4) roughness in the boundary layer. The picture is planned to be used as a summary after lectures on the subject and is not intended to be used as a substitute for regular class lectures. (Produced under National Science Foundation grant.) 1961.
Film No. 59 WANAPUM DEVELOPMENT ON THE COLUMBIA RIVER, HYDRAULIC MODEL STUDIES FOR DESIGN OF ENTRANCE TO RIGHT BANK FISH LADDER.
28 minutes, Kodachrome, silent.
Motion picture shows tests leading to the development of a satisfactory geometry for the entrance of the right bank fish ladder conducted on a 1:144 scale, erodible bed model of the spillway area of the Wanapum project on the Columbia River, Flow patterns and the fishladder attraction water are shown for a number of geometries. (Conducted for Public Utility District No. 2, Grant County, Washington and sponsored by Harts Engineering Company.) 1961.
Film No.65 OPERATION QUAKE DAM FLOOD HAZARD REMOVAL.
33 minutes, Kodachrome, silent.
A cinematized report of reconnaissance made in the Montana earthquake area of earthwork operations by U.S. Army Corps of Engineers to overcome pending crevasse and breakthrough of the earth slide dam in autumn 1959. The scenes show the progressive stabilization of thc channel as the lake level is lowered by 50 ft and the outflow channel slope is reduced from about 20 per cent in some spulsto a maximum of about 5 per cent. (By Dr. Lorenz G. Straub.) 1960.
Film No.66 SUPERCAVITATION.
10 minutes, black and white, silent.
This film describes natural and ventilated supercavitics, pnncipally in two dimensions. The effect of air supply raic on ventilated cavities is dealt with in some detail, especially as regards pulsation. Many high speed motion picture scenes of supercavitics in the free-jet water tunnel and some in a towing tank are prcscntcd. (Research project sponsord by Office of Naval Research.) 1960.
Film No. 74 KARNAFULI HYDROELECTRIC PROJECT, HYDRAULIC STUDIES OF SPILLWAY.
44 minutes, Kodachrome, silent.
Field scenes of the prototype structure, followed by scenes illustrating comprehensive and sectional model studies of the spillway. Of primary interest were measurements of pressure distribution on the chute and basin floor, and of the magnitude, frequency, and location of turbulent pressure fluctuations in the stilling basin. (Sponsored by Agency for International Development.) 1964.
Film No.77 FLOOD! THE MINNESOTA RIVER, APRIL 1965 .
35 minutes, Kodachrome, sound.
A documentary film showing the largest flood of record on the Minnesota Rivcr from Lac qul Pane to (he junction with the Mississippi River. This flood exceeded by 50 per cent the previous flood of record in some areas. Data are presented on conditions such as snow cover, temperature, and rain that contributed to the flood. Also shown are hydrographs for key tributaries and points on the main stream. Comparative scenes of the flood and the low water flows later in the summer arc shown for selected sites. (Prepared in cooperation with the Division of Waters, Minnesota Department of Conservation.) 1965.
Film No.81 DISPERSION BY TURBULENT FLOW IN PIPES .
10 minutes, Kodachrome, sound.
Experiments were undertaken to verify numerical calculations of the dispersion of concentrated liquid chlorine in water pipe lines when it is used for removing growths on the pipe walls. Sequences of pictures and graphs show concentration distributions downstream of injection and also details of flow and fluctuating forces around the injection nozzle. (Conducted for Metropolitan Water District of Southern California and sponsored by Harza Engineering Company.) 1968 .
Film No. 83 WARM WATER FLOW INTO LAKE IMPOUNDMENTS.
15 minutes, Kodachrome, sound.
The flow of heated water surface jets discharged from a channel into a deep reservoir or lake is observed through the glass walls of a laboratory flume and from overhead in a 17' X 40' laboratory tank. Density stratified flow patterns, including internal waves, lateral spreading and vertical and horizontal mixing patterns are shown. Discharges are at outlet densimetric Froude numbers below 10. (Conducted for U.S. Environmental Protection Agency.) 1972.
Film No. 95 EXPERIMENTAL STUDIES OF THE JAMES H. CAMPBELL COOLING WATER INTAKE.
26 minutes, Kodachrome, silent.
Model study of a 860 cfs cooling water intake in Lake Michigan to minimize entrainment and impingement of fish and fish larvae. The intake uses 56 cylindrical screen elements, each 5 ft in diameter and 4.5 ft long. Separate physical models of the dual-screen elements (1:12 and 1:3 scale), of the collector manifold (1:12), of the central collector well (1:24), and of individual screens were investigated. Flow patterns through screens and pipes are shown. (Conducted for Johnson Division of United Oil Products.) l979.
Film No. 98 HYDROLOGY OF SELECTED MINNESOTA WATERSHEDS .
24 minutes, Kodachrome, silent.
Film for use in hydrology classes illustrating the topography of six watersheds in Minncsota. Both aerial and ground level scenes were obtained. Subtitles are used to describe some features of the watersheds; supp1ementary verbal comments are recommended. (Undergraduate Educational Development Funds.)
1981.
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