Author:Steyn, WJvdM; Du Plessis, L; Denneman, EDate:Jan 2006The GDPTW makes extensive use of instrumentation in their Accelerated Pavement Testing (APT) and Long Term Pavement Performance (LTPP) programmes. In order to remain at the forefront of technology, this project investigates the available ...Read more
Author:Tazvinga, Henerica; Hove, TDate:31 Aug 2010A solar-based power supply system, such as a photovoltaic (PV)-diesel-battery system, is a particularly attractive option for decentralised power supply in southern Africa where solar radiation is ubiquitous in most countries. Such systems ...Read more
Author:Kovalchik, PG; Duda, FT; Harper, GSDate:May 2009This report describes the procedure for the measurement and reporting of noise from portable pneumatic tools such as jackleg drills. The technique used in this research allows for the determination of the source A-weighted sound power levels ...Read more
Author:Beyers, MEDate:1975A technique based on superposition of tricyclic solutions has been proposed for smoothing free-flight angular motion. When incorporated into a conventional tricyclic data reduction program, the method is convenient to use and does not require ...Read more
Author:Naidoo, Sasha; Ahmed, F; Pammenter, N; Zbonak, ADate:Jun 2010A technique was developed to identify annual growth rings in E. grandis using a combination of annual measurements of diameter at breast height (DBH) from permanent sample plot (PSP) datasets and bark-pith density profiles. By assessing the ...Read more
Author:Modungwa, D; Tlale, NS; Twala, BDate:Nov 2011There are some key advantages associated with parallel robots, which have warranted their continued research and wide application in both university laboratories and industry. To obtain a parallel manipulator with good properties, as customized ...Read more
Author:Dye, PJDate:Aug 2006South Africa is a largely semi-arid country, where areas of high rainfall are limited to relatively small regions in the east and south of the country that benefit from coastal rain-bearing weather systems, or from the orographic effect ...Read more
Author:Dudley, Angela L; Majola, N; Chetty, N; Forbes, ADate:25 Sep 2014In this work we construct coherent superpositions of Gaussian and vortex modes which can be described to occupy the complex-plane. We demonstrate how these fields can be experimentally constructed in a digital, controllable manner with a ...Read more
Author:Dudley, Angela L; Mhlanga, T; McDonald, Andre M; Roux, FS; Lavery, M; Padgett, M; Forbes, ADate:Sep 2013In this work we will present two techniques for the measurement of superimposed higher-order Bessel beams. In the first technique we will outline a simple approach using only a spatial light modulator and a Fourier transforming lens to decompose ...Read more
Author:Nkosi, Mpho CDate:Jun 2018It is anticipated that Fifth Generation (5G) networks will provide cheaper and diverse services, which will support vertical markets, such as agriculture, health care and, as depicted in Figure 1, many others. 5G network architectures will ...Read more
Author:Mabalane, PN; Oboirien, BO; Masukume, MikeDate:Mar 2020Due to the increased population growth in South Africa, particularly in urban areas, the generation of municipal solid waste has increased and so is the demand of energy. Municipal solid waste can be considered a good candidate for electricity ...Read more
Author:Shingwenyana, Rhulani K; Shabalala, AN; Mbhele, Nkhangweleni R; Masindi, VhahangweleDate:Nov 2021The concept of circular economy in wastewater treatment has recently attracted immense interest and this is primarily fueled by the ever-growing interest to minimise ecological footprints of mining activities and metallurgical processes. In ...Read more
Author:Oyesola, M; Mpofu, K; Mathe, Ntombizodwa RDate:Aug 2019Additive manufacturing (AM) of laser-based technological solution is developing at an exponential rate and is stepping towards industrialisation. The value and possibilities it brings to modern design and manufacturing tasks specifically for ...Read more
Author:Oboirien, BO; North, Brian C; Kleyn, TDate:Mar 2014Oxy-fuel technology is one of the potential solutions to reduce CO(sub2) emissions from coal-fired power plants. Although vendors offer a “retrofit package,” to the best of our knowledge there has not been a study undertaken that looks at the ...Read more
Author:Tesfaye, T; Ayele, A; Ferede, E; Gibril, M; Kong, F; Sithole, Bishop BDate:Nov 2020Generation of waste from the agro-processing industry is continually increasing due to increasing needs for food security. Beneficiation of this waste has both economic and environmental impacts that can be overcome via implementation of ...Read more
Author:Aderemi, BA; Chowdhury, SPD; Olwal, TO; Abu-Mahfouz, Adnan MIDate:Jun 2018Over the years, sustainability and impact on the environment, as well as operation expenditure, have been major concerns in the deployment of mobile cellular base stations (BSs) worldwide. This is because mobile cellular BSs are known to ...Read more
Author:Vaivars, G; Kleperis, J; Chikvaidze, G; Luo, H; Mathe, Mahlanyane KDate:Aug 2009The research on ion-exchange membranes has grown considerably in recent years with the growing interest in fuel cell technology for the automotive and portable applications. The requirements for a fuel cell membrane are the following: high ...Read more
Author:Mouton, Francois; Pillay, K; Van‘t Wout, MCDate:Jul 2016Psychological operations or PsyOps is a multi-disciplinary capability that requires technology in the social sciences, as well as in areas of design, Information and Communication Technology (ICT), electronics, broadcasting and printing. It ...Read more
Author:Alberts, R; Britz, K; Gerber, A; Halland, K; Meyer, T; Pretorius, LDate:Nov 2008The aim of the project is to devise and evaluate algorithms, methodologies, techniques and interaction paradigms to build a tool for conceptual modelling and query management of complex data repositories based on a framework with solid formal ...Read more
Author:Willis, PHDate:Jan 2000Since the 14th CMMI conference, held in Edinburgh in 1990, at which a paper was presented by the author (Willis, 1990) reviewing the role of integrating new technology as a survival strategy for South African gold mines, considerable change ...Read more