Author:Moselakgomo, M; Mokonyama, Mathetha T; Okonta, FDate:Jul 2013This paper uses the 2001 and 2013 Gauteng household travel survey datasets to investigate the nature of change in commuting distances of commuters from different neighbourhood types in the Gauteng City Region, in South Africa. The investigation ...Read more
Author:Engelbrecht, CJ; Landman, WA; Engelbrecht, FADate:Sep 2013A synoptic decomposition of rainfall over the Cape south coast region for the period 1979-2011 is presented. This decomposition is achieved by considering the average daily low-level circulation to develop a synoptic climatology, using a Self ...Read more
Author:Musvoto, Constansia D; Nortje, Karen; Murambadoro, M; Dube, SDate:Dec 2011Development in South Africa is guided by the principle of sustainability, and this is underpinned by integration, which is the consideration of social, economic and environmental factors in decision making. Policies are in place at national ...Read more
Author:Featherstone, CoralDate:May 2013Being able to identify and predict crime trends or track criminal movement would help anyone interested in preventing criminal activity or being able to assess where crime enforcement is needed, particularly in crimes where constant policing ...Read more
Author:Casini, G; Meyer, T; Moodley, K; Nortjé, RDate:Sep 2014Among the various proposals for defeasible reasoning for description logics, Rational Closure, a procedure originally defined for propositional logic, turns out to have a number of desirable properties. Not only it is computationally feasible, ...Read more
Author:Setati, Tiro; Maweni, Thabisa; Botha, NatashaDate:Nov 2023There is a need to ensure that an Unmanned Aerial Vehicle (UAV) can fly safely in indoor environments. In this paper, the visual inertial odometry (VIO) implemented in a commercial UAV is tested to determine its reliability to keep its position ...Read more
Author:Stacey, TRDate:Jul 1995Knowledge of the in situ state of stress in a rock mass is essential for the proper planning and design of mine layouts to optimise stability and safety of mining operations. The in situ state of stress in a rock mass can be determined by ...Read more
Author:Johannes, ManfredDate:31 Aug 2010Fibre reinforced composite materials are increasingly being used in engineering applications in the aircraft industry as they display an excellent weight to strength ratio. The limitation on the use of these materials in load-bearing applications ...Read more
Author:Stacey, TRDate:Mar 1998The proposed primary output of this research project is the development of a set of equipment and method of in situ stress measurements in a high stress environment typical of the deep level gold mines.Read more
Author:Kononov, VADate:Nov 1999This research report presents the results of an evaluation of the existing open path remote flammable gas detection/monitoring technology and provides recommendations on possible limited implementation of this technology and future development ...Read more
Author:Mathieu, Renaud SA; Naidoo, Laven; Cho, Moses A; Wessels, Konrad J; Asner, GPDate:Apr 2011Appropriate techniques are needed to monitor woody vegetation cover, biomass and carbon stocks. Light Detection and Ranging (LiDAR) & Synthetic Aperture Radar (SAR) interact with vegetation morphology and structure. The aim of this study is ...Read more
Author:West, NJ; Jandrell, IR; Forbes, ADate:Aug 2008The aim of this paper is to compare the electrical performance of an orthogonally with a coaxially laser-triggered spark gap. Each of these two gaps has its own advantages and disadvantages. At the same time, a Rogowski profile spark gap was ...Read more
Author:Ndlela, Luyanda L; Genthe, Bettina; Schroeder, P; Cruzeiro, CDate:Jul 2023The intensive use of antibiotics (for human, veterinary, and agricultural purposes) has steadily increased over the last 30 years. Large amounts of antibiotic residues are released into aquatic systems, mostly due to inefficient wastewater ...Read more
Author:Masindi, Vhahangwele; Mugera Gitari, WDate:Feb 2016Availability of arsenic in waterbodies has posed devastating impacts to terrestrial and aquatic organisms. As such, prudent and pragmatic technologies need to be developed to troubleshoot and solve the problem of arsenic in aquatic ecosystems. ...Read more
Author:Vogt, DDate:Nov 2011Mining research in South Africa dates back to the early days of the Witwatersrand gold fields: research into seismicity celebrated its centenary in South Africa in 2010, and advances in the understanding of seismicity and rock mechanics allowed ...Read more
Author:Szewczuk, SDate:Oct 2010The South African Government is committed to universal access to electricity across South Africa. The South African Cabinet endorsed hybrid mini-grid systems as a potential means for non-grid and rural electrification. This Cabinet decision ...Read more
Author:Mushwana, CrescentDate:Feb 2015Renewable energy is derived form natural resources that are replenished at a faster rate than they are consumed, and thus cannot be depleted. Solar, wind, geothermal, hydro, and some forms of biomass are common sources of renewable energy. ...Read more
Author:Rogers, DEC; Brent, ACDate:2009A case study methodology and assessment of renewable energy technology and sustainable development is applied to a DME rural village project. Wind, solar and lead acid battery energy storage technologies were used for off-grid electrification. ...Read more