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Now showing items 1-3 of 3

  • Optimization of fir-tree-type turbine blade roots using photoelasticity 

    Hettasch, Georg (Stellenbosch : University of Stellenbosch, 1992-12)
    ENGLISH ABSTRACT: The large variety of turbo-machinery blade root geometries in use in industry prompted the question if a optimum geometry could be found. An optimum blade root was defined as a root with a practical ...

  • The influence of cross-winds on the performance of natural draft dry-cooling towers. 

    Du Preez, Abraham Francois (Stellenbosch : University of Stellenbosch, 1992-12)
    The effect of cross-winds on the performance of natural draft dry-cooling towers is studied by means of isothermal model tests, a numerical simulation and full scale measurements. The action of the wind on such towers ...

  • A fundamental study of the dissolution of gold from refractory ores 

    Lorenzen, Leon (Stellenbosch : Stellenbosch University, 1992-12)
    ENGLISH ABSTRACT: The dissolution of gold from refractory ores is a complex kinetic problem involving a number of chemical, mass transport and mineralogical factors. In most Witwatersrand ores in South Africa more ...