Author:Obodo, M; Nwanya, CC; Hassina, T; Kebede, Mesfin A; Ahmad, I; Malik, M; Ezema, FIDate:Dec 2019Recently, the demand for energy sustainability has progressively increased, and the high rate of the world energy depletion has also accelerated the efforts in finding and refining alternative energy resourceful devices. In terms of augmenting ...Read more
Author:Van Niekerk, Cornelia WDate:Mar 2013It is highly likely that hazards and extreme climatic events will occur more frequently in the future and will become more severe – increasing the vulnerability and risk of millions of poor urbanites in developing countries. Disaster resilience ...Read more
Author:Zhu, H; Ouahada, K; Abu-Mahfouz, Adnan MIDate:Dec 2022Peer-to-peer (P2P) energy trading built on a smart information system in networked microgrids (MGs) is an emerging economic approach to facilitate energy sharing among networked MGs to achieve mutual cost-effective operation and improve the ...Read more
Author:Olwal, TO; Ntlatlapa, Ntsibane S; Hamam, Y; Aron, F; Van Wyk, BJ; Johnson, DLDate:Sep 2008This paper presents an analytical model for the selection of the transmission power based on the bi-directional medium access information. Most of dynamic transmission power control algorithms are based on the single directional channel and ...Read more
Author:Giesler, AchmedDate:Sep 2015Transnet has shown an interest in the concept of regenerative braking on their freight trains. Regenerative braking is the capturing, storing and re-using energy currently being wasted during regenerative braking. Currently all the energy is ...Read more
Author:Mashiri, M; Dube, S; Maponya, GDate:Jul 2009The aim of this paper is to explore and document, through the use of qualitative data, children and young people’s experiences and perceptions of mobility and transport constraints in accessing social services such as health, education and ...Read more
Author:Mokonyama, Mathetha T; Mubiwa, BDate:Nov 2014In 2002, the City of Johannesburg residents who drove to work spent about 27 million hours commuting, while those who used public transport spent about 82 million hours. Collectively, travel time to work translated into 62 000 work days per ...Read more
Author:Ittmann, HWDate:09 Oct 2008October marls National Transport month, giving rise to opportunities to focus on and draw attention to a variety of aspects associated with transport. Everyone in the country is affected by transport in one way or another, with those in ...Read more
Author:Rust, FC; McCutcheon, RT; CoetzeeDate:Jul 2008It is well-recognised internationally that transport and transport infrastructure play a major role both in the stimulation of economic growth, creation of job opportunities and in poverty alleviation. This is of particular importance in South ...Read more
Author:Sinclair, M; Bester, C; Van Dyk, EDate:Jul 2012No community can reach its full potential without an effective transport system. Transport has a direct bearing on most of the activities of the people of such a community – whether it is their daily commute to or from work, school or university ...Read more
Author:Godin, T; Forbes, A; Naidoo, Darryl; Fromager, M; Cagniot, E; Aït-Ameur, KDate:Jun 2011The concept of transverse correlation vanishing, between the fraction of power contained in the centre and wings of a probe beam, recently introduced [Opt. Commun. 282 (2009) 3854–3858] is important to be considered when measuring the effective ...Read more
Author:Naidoo, Darryl; Godin, T; Fromager, M; Cagniot, E; Passilly, N; Forbes, A; Aït-Ameur, KDate:Nov 2011The article outlines an approach to mode selection in a microchip laser through judicious shaping of the pump light to create a high modal overlap with the desired mode. The authors demonstrate the principle by creating a donut-shaped pump ...Read more
Author:Senekal, FDate:Sep 2013A new fast algorithm for traversability analysis of an arbitrary three-dimensional point cloud is presented. The algorithm segments a three-dimensional point cloud into vertical sections; each of which is clustered into bins and further ...Read more
Author:Burke, Ivan D; Van Heerden, Renier PDate:Jun 2017During the past 10 years data breaches have become more frequent than ever. Large volumes of personal and corporate data are being leaked via these breaches. The corporate responses to these breaches, as well as, the remediation of these ...Read more
Author:Maree, JP; Greben, HA; De Beer, MorrisDate:Apr 2004A novel chemical/biological process is described in which sulphate and sulphide are removed simultaneously during biological treatment. Partial sulphate removal is achieved during chemical pre-treatment. In the biological stage sulphate is ...Read more
Author:Bogaers, Alfred EJ; Kok, S; Reddy, BD; Franz, TDate:Jul 2013In recent years a great deal of advances have been made with respect to Dirichlet-Neuman (DN) partitioned fluid-structure interaction (FSI) solvers. Problems of varying degrees of complexity can be solved with reasonable efficiencies through ...Read more
Author:Turner, P; Murphy, RJDate:Aug 1995Several factors which influence the treatment of timber products with vapour phase preservatives such as borate esters are considered. Gas flow rate through the substrate was found to be a significant factor limiting both preservative penetration ...Read more