Author:Mutombo, K; Du Toit, MDate:31 Aug 2010The tensile strength and fatigue properties of Al5083-H111 welded with aluminium-magnesium alloyed ER5356 filler wire appeared similar to those of the base metal. This joint failed in the weld metal as a result of a slight reduction in hardness ...Read more
Author:Zvimba, JN; Mathye, M; Vadapalli, VRK; Swanepoel, H; Bologo, LDate:Oct 2013This study investigated Fe(II) oxidation during acid mine drainage (AMD) neutralization using CaCO(sub3) in a pilot-scale Sequencing Batch Reactor (SBR) of hydraulic retention time (HRT) of 90 min and sludge retention time (SRT) of 360 min ...Read more
Author:Malan, DF; Kononov, VA; Coetzer, SJ; Janse van Rensburg, AL; Spottiswoode, BSDate:Sep 2000Previous fundamental research projects have indicated the value of continuous closure measurements for improved support design and hazard assessment and for quantifying the effect of seismicity on stope closure. This project examines the ...Read more
Author:Dawood, Zubeida C; Keet, CMDate:Nov 2014While a foundational ontology can solve interoperability issues among the domain ontologies aligned to it, multiple foundational ontologies have been developed. Thus, there are still interoperability issues among domain ontologies aligned to ...Read more
Author:Loveday, Philip W; Long, Craig SDate:Jan 2014A transducer array comprising four transducers was developed and used to perform pulse – echo measurements on a heavy duty welded rail track. A signal processing algorithm, which uses properties of the propagating modes computed using ...Read more
Author:Snyman, HG; Forssman, P; Kafaar, A; Smollen, MDate:2000Sewage sludge is typically dewatered using drying beds, belt filter presses or centrifuges. Mechanical dewatering of sludge is costly in terms of capital and running costs, especially the flocculent. In an attempt to address the need for more ...Read more
Author:Szewczuk, SDate:Aug 2015Many primary healthcare facilities currently suffer from poor infrastructure quality and problems with the procurement of infrastructure. In 2013 the CSIR embarked on a research project to develop a design terms of reference and blueprint ...Read more
Author:Oberholster, Paul JDate:Jul 2018Employing specific algae treatment to treat municipal domestic waste water effluent presents an alternative practice to improving water quality effluent of existing rural pond systems in Southern Africa. In the present study domestic waste ...Read more
Author:Robbins, SL; Heyns, PS; Heyns, Johan ADate:May 2020The majority of condition monitoring techniques employed today consider the acquisitioning and analysis of structural responses as a means of profiling machine condition and performing fault detection. Modern research and newer technologies ...Read more
Author:Molobi, E; Sacks, N; Theron, MarithaDate:Oct 2018Laser Enabled Net Shaping technology in the manufacture of cemented tungsten carbides is challenging and many scientific gaps still need to be addressed to ensure commercial viability. In this study the feasibility of using LENS® to produce ...Read more
Author:Lutchman, Stanley; Van Wyk, Llewellyn VDate:Mar 2019The Department of Science and Technology (DST) together with the Eastern Cape Department of Education (ECDOE) are co-funding the construction of a science centre in the village of Cofimvaba in the Eastern Cape. The purpose of the science ...Read more
Author:North, Brian C; Engelbrecht, AD; Oboirien, BDate:Jul 2015A techno-economic assessment was undertaken in two phases. The first is essentially a material and energy balance, in which fuel and sorbent requirements are calculated using input data such as plant size, plant efficiency, fuel CV, Ca/S ...Read more
Author:Mdakane, Lizwe W; Kleynhans, WDate:Oct 2020Oil spills are often caused by vessels when dumping oily bilge wastewater at sea (also referred to as bilge dumping). In an synthetic aperture radar (SAR) image, oil spills dampen the radar energy return and appear as linearly shaped dark ...Read more
Author:Naidoo, T; Tapamo, JR; McDonald, Andre MDate:Sep 2015A feature selection algorithm that is novel in the context of anomaly–based network intrusion detection is proposed in this paper. The distinguishing factor of the proposed feature selection algorithm is its complete lack of dependency on ...Read more
Author:Naidoo, Tyrone; McDonald, Andre M; Tapamo, J-RDate:Sep 2015A feature selection algorithm that is novel in the context of anomaly–based network intrusion detection is proposed in this paper. The distinguishing factor of the proposed feature selection algorithm is its complete lack of dependency on ...Read more
Author:Rosman, Benjamin SDate:Oct 2014Representation learning is a difficult and important problem for autonomous agents. This paper presents an approach to automatic feature selection for a long-lived learning agent, which tackles the trade-off between a sparse feature set which ...Read more
Author:Burke, Michael GDate:Nov 2009This poster presents a visual servo approach to straight line range and velocity regulation. The difference in velocity between a lead mobile robot and a follower is regulated through velocity control of the follower, in order to maintain a ...Read more
Author:Featherstone, Coral; Van der Poel, EDate:Jun 2017Computational creativity is a multi-disciplinary area of research that investigates what aspects of computing can be considered as an analogue to the human creative process. One premise is that humans come up with new concepts or creative ...Read more
Author:De Beer, MorrisDate:Nov 2001Describes in summary the attendance of the author at an invited meeting of the COST 347 ALT (Accelerated Loading Testing) Committee in Cologne, Germany, Europe. The meeting was held at Bast, near Cologne, from 27th June 2001 to 29th June 2001. ...Read more