Author:Gouws, JF; Majozi, TDate:Jul 2008Wastewater minimisation in chemical processes has always been the privilege of continuous rather than batch plants. However, this situation is steadily changing, since batch plants have a tendency to generate much more toxic effluent compared ...Read more
Author:Suliman, Ridhwaan; Oxtoby, Oliver F; Malan, AG; Kok, SDate:Jan 2015A fully-coupled partitioned finite volume–finite volume and hybrid finite volume–finite element fluid-structure interaction scheme is presented. The fluid domain is modelled as a viscous incompressible isothermal region governed by the ...Read more
Author:Oxtoby, Oliver F; Malan, AGDate:May 2012In this paper we detail a fast, fully-coupled, partitioned fluid–structure interaction (FSI) scheme. For the incompressible fluid, new fractional-step algorithms are proposed which make possible the fully implicit, but matrixfree, parallel ...Read more
Author:Van Wyk, Llewellyn VDate:Aug 2010The building envelope plays a significant role in the performance of a building, especially with regard to the green building components. This chapter will focus on the external building envelope only, i.e., sub-structure, super structure, ...Read more
Author:Jourdan, PDate:Oct 2017This presentation discusses the modernisation of mining. Maximising the developmental impacts of South Africa's mineral endowment.Read more
Author:Conradie, Dirk CUDate:Aug 2010South Africa is blessed with some of the best quality solar radiation in the world. In the light of this many exciting opportunities exist to utilize the sun to its full potential in the design of energy efficient buildings. Passive solar ...Read more
Author:Shi, X; Ahmad, S; Perez-Salcedo, K; Escobar, B; Zheng, Haitao; Kannan, AMDate:Jan 2019Oxygen can only be reduced at the quadruple phase boundary (catalyst, carbon support, ionomer and oxygen) of the cathode catalyst layer with non-conducting electrocatalyst. To maximize the quadruple phase boundary sites is crucial to increase ...Read more
Author:Kienhofer, F; Berman, Robert J; Deiss, J; Nordengen, Paul ADate:Nov 2016Tractor semitrailer car-carrier designs operating in South Africa are required to demonstrate Level 1 compliance as legislated by the Australian PBS in order to be granted productivity concessions. A stumbling block in demonstrating compliance ...Read more
Author:Parsons, SA; Abbott, GR; De Jager, PetaDate:Nov 2008South Africa has a high and increasing burden of tuberculosis, both drug-susceptible and drug resistant strains. In 2005 at the WHO-AFRO Regional Committee meeting held in Maputo, 46 Ministers of Health unanimously declared TB an emergency ...Read more
Author:Sivakumar, V; Gizaw Mengistu, DT; Botai, OJDate:2009The aim of this work is to construct a model (mean) profile for ozone and water vapor in Southern hemisphere latitude using 14 years (1993-2006) of Halogen Occultation Experiment (HALOE) satellite data and about 10 years (1998-2007) of the ...Read more
Author:Luus, FPS; Van den Bergh, F; Maharaj, BTJDate:Jul 2013Classifier-generic domain adaptation based on feature space matching is applied in this study, with the aim of correcting dataset shifts consisting of both covariate and concept shifts. The feature space transformation between training and ...Read more
Author:Cichowicz, ADate:Mar 2001A set of data, collected from Mponeng and East Driefontein mines, provides a new insight into the response of support unit under seismic load. The most important accomplishment of monitoring is the measurement of peak ground acceleration ...Read more
Author:Dzikiti, Sebinasi; Jovanovic, Nebojsa; Bugan, Richard DH; Israel, S; Le Maitre, David CDate:Apr 2014Many studies have investigated the water relations of indigenous plants in the fynbos shrublands of the Cape, South Africa. These have mainly focused on understanding the mechanisms by which individual plant species respond to droughts, the ...Read more
Author:De Saxe, Christopher C; Cebon, DCDate:Mar 2019Articulated heavy goods vehicles and long combination vehicles offer improved efficiency and emissions but reduced low-speed manoeuvrability and high-speed stability compared to rigid lorries. Active control systems can help to address these ...Read more
Author:Griffith, DJ; Le Roux, FPJ; Schwering, PBW; Holloway, MDate:Sep 2008Measurement of atmospheric modulation transfer function (MTF) derived from the point spread function is an alternative to the use of scintillometry in characterizing the effects of turbulence as well as optical scattering. This experiment ...Read more
Author:Karsten, AE; Dam, JS; Singh, ADate:Jul 2006The poster includes the background of biophotonics group; determination of tissue optical properties; optical properties, diagnostic window, scattering elements and integrating sphere measurements; experimental techniques; phantom and cells; ...Read more
Author:De Koker, PM; Pavkovic, N; Van Dyk, JT; Stecker, IDate:Sep 2009The impulse generated by the detonation of anti-tank mines is an important characteristic of the mine used to design and develop protective countermeasures and to define the threat in terms of scientific and engineering terms. CSIR in ...Read more
Author:Mgangira, Martin B; Anochie-Boateng, Joseph; Koen, Renée; Komba, Julius J; Tutumluer, EDate:Jan 2016Aggregate shape properties are used to characterize aggregate product from quarry operations. However, aggregate shape depends on rock type and crushing process. A meta-quartzite, a relatively low grade thermal metamorphic rock was crushed ...Read more
Author:Andrew, J; Hanuman, A; Sithole, Bishop BDate:Jan 2011Contaminants from synthetic polymers such as plastics, coatings, adhesives and waxes remain one of the biggest challenges for papermakers using recovered fibre. These contaminants are called “stickies” because they stick to paper machine felts ...Read more