oa Civil Engineering = Siviele Ingenieurswese - Hydraulic model studies for the Lesotho Highlands Water Project

Volume 31, Issue 10
  • ISSN : 1021-2000



Models are examples of the art of hydraulic engineering that, in the words of Osborne Reynolds nearly a century ago, are a means 'which after what I have seen, I shall feel it madness to neglect before entering upon any costly undertaking'. Through the intervening years, since Reynolds first performed his classical experiments on laminar and turbulent flow in a tube, thousands of model experiments of important hydraulic projects have been carried out in hundreds of hydraulic laboratories throughout the world. In South Africa most of this work has been done since the 1950s. (In two other articles in this issue a review is made on progress in two related fields, energy dissipation and coastal protection.) It is reassuring that on important Southern African water and power projects significant portions of the hydraulic model investigations have been carried out in South Africa, side by side with parallel studies in Europe. This shows that the South African engineering profession can enjoy the accredited services of our institutions equipped with fully operational hydraulic laboratories. In this field of study we as hydraulic engineers in South Africa have at last also become 'of age'.

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