Author:Manamela, Selolo S; Cilliers, Jacques E; Gaffar, YADate:Dec 2023In this paper, the problem of modelling radio wave propagation through vegetation using parabolic equation methods is investigated by modifying the parabolic equation toolbox (PETOOL) to incorporate a mechanism to model vegetation. The ...Read more
Author:Botha, Johannes G; Leenen, LouiseDate:Mar 2024Bitcoin and cryptocurrency adoption has increased significantly over the past few years. The significant growth in the industry has been matched by growth of crimes in this domain; not only in scams and dark-web illegal trading, but also in ...Read more
Author:Chauke, Sipho H; Ombinda-Lemboumba, Saturnin; Dube, FS; Mthunzi-Kufa, PatienceDate:Jan 2024Tuberculosis (TB) is one of the most prevalent infectious diseases globally. Although it is curable, several factors, such as the inappropriate use of treatment drugs lead to drug-resistant strains of TB. The burden of infection is ...Read more
Author:Lysko, Albert A; Nkosi, M; Lysko, MDDate:Dec 2023This paper summarises various experiences in testing outdoor television white space (TVWS) links, including near- line-of-sight (NLOS) conditions. The paper also touches on the influences of interference from operational television broadcasting ...Read more
Author:Schreiner, Gregory O; Snyman-van der Walt, Luanita; Lochner, Paul A; Taljaard, SusanDate:Jan 2024A Strategic Environmental Assessment (SEA) was undertaken for the Saldanha Bay region to estimate the proximity of natural capital features and ecosystem services to critical thresholds. The assumption being that, should such thresholds be ...Read more
Author:Morake, JB; Maina, MR; Mutua, JM; Olakanmi, EO; Pityana, Sisa LDate:Dec 2023Laser cladding is a surface modification method that can be employed in components under severe operating conditions, such as boiler heat exchangers, to mitigate degradation. However, poor clad quality hinders performance during service. This ...Read morecb
Author:Mathoho, Ipfi; Sibisi, TDate:Jan 2024The quality and performance of additively manufactured part is linked to the process parameters such as laser power, scanning speed, powder feed rate, and layer thickness. However, hatch spacing is one of the process parameters that affect ...Read more
Author:Botha, LouisDate:Nov 2023The design of an offset reflector fed with a phased array that is not in the focal plane is described. By using the phased array, it is possible to scan the pattern of the reflector antenna. The effect of the position of the feed is shown in ...Read more
Author:Zandamela, Frank; Pratt, Lawrence E; May, Siyasanga I; Mkasi, Hlaluku W; Mabeo, Reuben TDate:Nov 2023There has been significant research on the relationship between current-voltage (I-V) curve characteristics and electroluminescence (EL) module defects. Current methods use EL image pixels to develop features, which are then correlated with ...Read more
Author:Sheik, Muhammed; Segakweng, Tshiamo; Sekhuthe, Karabelo LDate:Nov 2023The Department of Mineral Resources and Energy estimates that the industrial sector is the largest consumer of energy in South Africa. Approximately 66% of energy end-use in industry is for heat generation during manufacturing. South African ...Read more
Author:Barnard, HC; Venter, KarienDate:Jul 2023Vulnerable road user fatalities continue to make up the bulk of road traffic related deaths in South Africa. Safe System-based measures aim to improve the safety of the road environment for all road users including vulnerable road users. Safe ...Read more
Author:Dlamini, N; Mamushiane, Lusani; Nkosi, M; Dlamini, S; Ramaboka, TDate:Aug 2023The criminal justice system is a critical component of the South African government and its developmental and operational activities must be seamless to ensure timely delivery of justice to those who committed crimes. This study provides a ...Read more
Author:Dlamini, Mandla N; Alexander, MDate:Jan 2024Geopolymer cements are an emerging alternative binder to Portland cements, characterised by an alumino-silicate polymer network nanostructure. These binders are purported to possess numerous beneficial properties such as acid resistance and ...Read more
Author:Otto, AJ; Rananga, S; Masonta, Moshe TDate:Aug 2023Radio Frequency (RF) Fingerprinting is the theory of identifying a wireless device based on its unique transmitting characteristics which can improve authentication and security in wireless networks. This research project will briefly discuss ...Read more
Author:Jiang, J; Lin, C; Han, G; Abu-Mahfouz, Adnan MI; Shah, SBH; Martínez-García, MDate:Dec 2023The ongoing expansion of the Industrial Internet of Things (IIoT) is enabling the possibility of effective Industry 4.0, where massive sensing devices in heterogeneous environments are connected through dedicated communication protocols. This ...Read more
Author:Nel, M; Adams, JB; Human, LRD; Nunes, M; Van Niekerk, Lara; Lemley, DADate:Dec 2023Context: Artificial breaching of intermittently closed estuaries has become more frequent in the face of global-change pressures. Aims: This study aimed to determine whether the ecological health of the Great Brak Estuary has been affected ...Read more
Author:Baloyi, R; Gbadeyan, OJ; Sithole, B; Chunilall, VirenDate:Nov 2023The fast fashion trends in the textile industry have resulted in high consumption of fiber with concomitant generation of waste. Awareness of environmental pollution resulting from textile production and disposal has increased significantly. ...Read more
Author:Maritz, Johan; Le Roux, Alize; Van Huyssteen, ElsonaDate:Mar 2024This chapter emphasises the merit of creating a SADC regional settlement profile. It unfolds in three segments: review of regional settlement development trends; spotlight on urban significance and the imperative of a shared settlement profile, ...Read more