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  1. Aerodynamic Generation of Sound (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Describes the mechanism of sound generation by turbulence resulting from an instability of steady flow. Elementary source models are illustrated and their fields visualised on a ripple tank. Quadrupoles are...

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  2. Cavitation (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Cavitation is seen on hydrofoils, marine propellers, pumps, turbines, and dam spillways. Shows some of the harmful or annoying effects of cavitation, such as noise, increased lift and damage to solid...

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  3. Eulerian and Lagrangian Descriptions in Fluid Mechanics (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Illustrates the two principal ways of describing fluid motion, using computer-generated displays of displacement, velocity and acceleration fields for single flows. The physical relationship between the two...

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  4. Flow Instabilities (1968 Film)

    Director
    Erik Mollo-Christensen
    Subject
    Physics
    Distribution
    Film (16mm)

    The main experiment, generation of surface waves by wind in a water channel, is used to illustrate the general features of flow instability. The curve of neutral stability is developed by systematically...

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  5. Fundamentals of Boundary Layers (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Demonstrates basic aspects of viscous incompressible boundary layers: 1) what causes them; 2) how they grow; 3) how they respond to pressure gradients; 4) the main stages in the transaction of laminar layers...

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  6. Low Reynolds Number Flows (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Demonstrates phenomena of ‘inertia-free’ flows in which viscous forces dominate in the balance of forces. Topics include: relative importance of inertial and viscous forces as Reynolds number is varied,...

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  7. Turbulence (1968 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Shows the following aspects of turbulence: effect of Reynolds number on inception, increased pressure drop in pipe-flow, efficient mixing, turbulent transport of momentum and scaler properties, Reynolds...

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  8. Rarefied Gas Dynamics (1967 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Shows gas flow at various pressures and speeds using initially a sodium molecular beam and then actual gas flow in a supersonic flow chamber. Bow and barrel shock waves are shown together with scattering...

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  9. Channel Flow of a Compressible Fluid (1966 Film)

    Subject
    Physics
    Distribution
    Film (16mm)

    Schlieren flow visualisation and simultaneous display of the pressure distribution along a channel of varying area demonstrate the phenomena of choking, blocking and starting. Supersonic flow, Mach waves,...

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  10. Boundary Layer Control (1965 Film)

    Director
    J Churchill
    Subject
    Physics
    Distribution
    Film (16mm)

    Experiments in a smoke tunnel show how changes in the geometry or angle of attack of an air foil affect the pressure field, and how boundary layer stabilisation can be achieved by suction devices or through...

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