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Recorded at British Cellophanes’s factory in Bridgwater. Includes interviews with the project engineer and two senior instrumentation technicians who explain the operation of, and philosopy behind, the...
Discusses the efforts of scientists to deal with the often destructive forces of wind through the science of wind engineering. Shows the collapse of a suspension bridge due to ‘resonance effects’....
Phenomena associated with the rotation of homogeneous fluids. Includes horizontal trajectories in surface gravity waves, low and high Rossby number flows around spheres, Taylor walls, normal modes of inertia...
The experiments show that density variations, together with gravity, make possible forces that can generate internal waves; inhibit turbulent diffusion, or create strong velocity gradients and jets....
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...
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...
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...
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,...
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,...
Demonstrates the use of flow visualisation to improve understanding of complex flows by the use of hydrogen bubble and dye injection techniques in flows involving boundary layer separation and transition,...
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