Browsing Faculty of Engineering by Author "Velleman, Douglas"
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Case study: energy savings for a deep-mine water reticulation system
Vosloo, Jan; Liebenberg, Leon; Velleman, Douglas (Elsevier, 2012)In deep level mining, water reticulation systems are one of the major consumers of electricity. The refrigeration plants, together with the underground water supply and dewatering systems are integrated to form one complete ... -
A simple demand-side management solution for a typical compressed-air system at a South African gold mine
Liebenberg, Leon; Velleman, Douglas; Booysen, Walter (ERC (Energy Research Centre), 2012)Once designed, mine compressed-air systems tend to operate at peak levels throughout the life of the mine, despite there being significant periods when this air quantity is not required. This is mainly due to lack of ...