Author:May, Siyasanga I; Pratt, Lawrence E; Roro, Kittessa T; Bokoro, PDate:Aug 2022This work focuses on modelling the power output of multiple PV technologies installed at the outdoor test facility of the Council for Scientific and Industrial Research (CSIR) in Pretoria. Extreme Gradient Boosting (XGB) and Artificial Neural ...Read more
Author:Engelbrecht, JP; Swanepoel, L; Zunckel, M; Chow, JC; Watson, JG; Egami, RTDate:30 Mar 2000D-grade (i.e. poor quality) coal is widely used for household cooking and heating purposes by lower-income urban communities in South Africa. The smoke from the combustion of coal has had a severe impact on the health of society in the townships ...Read more
Author:Kleinhans, A; Thill, S; Rosman, Benjamin S; Detry, R; Tripp, BDate:Sep 2014The neural circuits that control grasping and perform related visual processing have been studied extensively in Macaque monkeys. We are developing a computational model of this system, in order to better understand its function, and to ...Read more
Author:Kok, SDate:Jan 2011A new method is proposed to predict the irradiation induced property changes in nuclear; graphite, including the effect of a change in irradiation temperature. The currently used method; to account for changes in irradiation temperature, the ...Read more
Author:Hildyard, MW; Young, RPDate:03 Jan 2002The potential for large excavation-induced seismic events may be recognised, even if the timing of an event may be inherently unpredictable. In this case, modelling the wave propagation from a potential event could allow the dynamic motions ...Read more
Author:Gush, Mark BDate:Aug 2006Numerous local and international studies have indicated conclusively that forest plantations consume more water than natural forests, grasslands or shrublands, and hence reduce water yield (streamflow) from afforested catchments. These water ...Read more
Author:Jansen van Vuuren, JC; Leenen, L; Grobler, MM; Chan, Ka Fai P; Dawood, Zubeida CDate:Mar 2015Acquiring, representing, and managing knowledge effectively has a considerable impact on constructing accurate and intelligent systems. A challenge faced by domain experts is the manner in which information about the cybersecurity environment ...Read more
Author:Lötter, D; Le Maitre, David CDate:Apr 2014Aspalathus linearis (Burm. f.) R. Dahlgren (rooibos) is endemic to the Fynbos Biome of South Africa, which is an internationally recognised biodiversity hotspot. Rooibos is both an invaluable wild resource as well as commercially cultivated ...Read more
Author:Engelbrecht, Andre D; North, Brian C; Oboirien, BilainuDate:Oct 2017Chemical-looping combustion (CLC) of coal has emerged as a clean coal technology that can potentially be applied for the efficient combustion of coal while producing flue gas that has a CO2 concentration of greater than 99 %. An important ...Read more
Author:Oosthuizen, Rudolph; Pretorius, LDate:Jun 2015Introducing a new technology into a complex sociotechnical system will have planned as well as unplanned impact. The need for a new technology may arise from new technology available for improved performance (technology push) or changes in ...Read more
Author:Ortmann, FG; Van Vuuren, JH; Van Dyk, FEDate:Apr 2006A description is provided of work performed as part of the fruit logistics infrastructure project commissioned by the South African Deciduous Fruit Producers’ Trust and coordinated by the South African Council for Scientific and Industrial ...Read more
Author:Martins, RS; Roberts, MJ; Lett, C; Chang, Nicolette; Moloney, CL; Camargo, MG; Vidal, EAGDate:Aug 2013Annual landings of chokka squid (Loligo reynaudii), an important fishing resource for South Africa, fluctuate greatly, and are believed to be related to recruitment success. The ‘Westward Transport Hypothesis’ (WTH) attributes recruitment ...Read more
Author:Maina, JW; De Beer, Morris; Van Rensburg, YvetteDate:Jul 2013Growing traffic volumes, increasing construction and maintenance costs continually drive for more innovative approaches and methodologies towards sustainable road infrastructure. At the current price levels of around R6000 per metric tonne, ...Read more
Author:Price, Catherine S; Moodley, D; Pillay, AWDate:Dec 2019A dynamic Bayesian decision network was developed to model the preharvest burning decision-making processes of sugarcane growers in a KwaZulu-Natal sugarcane supply chain and extends previous work by Price et al. (2018). This model was created ...Read more
Author:Jagarnath, M; Thambiran, Tirusha; Gebreslasie, MDate:Apr 2019Urbanization is one of the most significant and irreversible forms of land change, but we lack empirical evidence of these changes in the Global South. This is the first study to quantify past and explore future land change for the Durban ...Read more
Author:Steenkamp, Anton J; Berman, Robert; Benade, RDate:Jul 2016The field of tyre dynamics is a relatively new, but highly complex field of engineering. The testing and modelling of various tyres in order to determine stress distributions of tyres on the road surface, under varying conditions, remains a ...Read more
Author:De Koning, CB; Rousseau, AL; Van Otterlo, WALDate:01 Jan 2003The importance of naphthalenes and naphthoquinones as bioactive agents and in structural and synthetic chemistry is discussed. How the synthetic chemist gains access to such compounds forms the subject of this review. The synthesis of ...Read more
Author:Ritchken, EDate:Oct 2017This presentation discusses the modernisation of mining. The presentation focuses on the mining clusters, Mining Challenges, Compliance versus Collaboration, The Phakisa, The Mining Precinct & the Mining Hub also Win-Win Beneficiation: Iron ...Read more
Author:Ramoroka, TM; Masonta, Moshe T; Kliks, ADate:May 2016The role of cheap and easy access to various telecommunication facilities is crucial for further community development. Such an observation is of particular importance for the developing countries all over the world since reliable and open ...Read more