Author:Moes, JDate:Jun 2007This paper presents a description of a decision support system for ship draught allowance, in operation at the Port of Richards Bay, South Africa. This system is partially based on small-scale and numerical model tests, which were verified ...Read more
Author:Mosikare, OR; Theron, NJ; Van de Molen, WDate:Sep 2010The Response Amplitude Operator (RAO) theory was used to develop a mathematical model of boat angular motion. Measurements were made on a harbour patrol boat on sea runs off Durban Harbour. Measurements were first calibrated for axis alignment ...Read more
Author:Griffith, DJ; Vhengani, L; Maliage, MDate:Sep 2013Loss of mirror reflectivity due to soiling at Concentrated Solar Power (CSP) plants is a significant consideration for design and operation of the plant. Increasingly, a bankable case for establishment of a new plant will include an evaluation ...Read more
Author:Ostensen, O; O'Brien, D; Cooper, Antony KDate:Feb 2008Natural variability and human influence on climate change are discussed, as well as the ISO Technical Committee ISO/TC 211, Geographic information / Geomatics, who has developed a suite of standards for geographic information that forms a ...Read more
Author:Van der Walt, Christiaan M; Barnard, EDate:Nov 2007The authors study the relationship between the properties of data and classifier performance. Data measures are employed to characterise classification problems and it is shown that these data measures successfully capture important characteristics ...Read more
Author:Mokgalaka, HDate:Oct 2014Spatial analytical tools and analyses are key enabling instruments which can be used to efficiently plan for public-spaces such as healthcare facilities in a metropolitan context. Improving the levels of access to public-spaces through various ...Read more
Author:Mokgalaka, HDate:Oct 2014Spatial analytical tools and analyses are key enabling instruments which can be used to efficiently plan for public-spaces such as health care facilities in a metropolitan context. Improving the levels of access to public-spaces through various ...Read more
Author:Pretorius, CDate:Oct 2012This presentation discusses the work on lung disease silicosis and other work conducted by the human factors group as well as the services offered by the laboratory.Read more
Author:Gush, Mark B; Dzikiti, Sebinasi; Naiken, VDate:Oct 2012This project investigated the water use of irrigated fruit tree orchards as a means of facilitating more efficient and productive
water use within the sector and reducing operating costs.Read more
Author:Vogt, D; Brink, VZDate:Oct 2013Although safety in South African mines has improved dramatically over the last ten years, falls-of-ground still constitute the single largest cause of fatalities. The data show that small falls of between 4 m(sup2) and 10 m(sup2), affecting ...Read more
Author:Van Deventer, Martha J; Snyman, RMMMDate:Mar 2004Knowledge economy literature indicates that proof of an organization's sustainable future and growth lies in multi-dimensional evaluation rather than in the traditional one-dimensional monetary or financial capital perspective. This article ...Read more
Author:McLaren, MG; Forbes, A; Sideras-Haddad, EDate:Jul 2009Measuring microscopic forces and torques using optical tweezers, presented at the 54th Annual Conference of the South African Institute of Physics in 2009Read more
Author:Mtsweni, Jabu S; Ndlovu, Lungisani; Mthethwa, Sthembile N; Mkuzangwe, Nenekazi NPDate:Nov 2023Misinformation, disinformation, malinformation, and/or fake news have gained attention for good and bad in South Africa, especially since the COVID-19 pandemic. The research-based and non-research-based interventions to tackle misinformation ...Read more
Author:Rouault, Marjolaine J; Mouche, A; Collard, F; Johannessen, JA; Chapron, BDate:Jan 2010Surface current information collected over the Agulhas Current region and derived from the Doppler centroid anomalies of the Advanced Synthetic Aperture Radar (ASAR) are examined. The sources of errors and potential use of the radar surface ...Read more
Author:Dudley, Angela L; Litvin, I; Forbes, ADate:Jan 2012To measure the Orbital Angular Momentum (OAM) density of superposition fields two steps are needed: generation and measurement. An azimuthally-varying phase (bounded by a ring-slit) placed in the spatial frequency domain produces a higher-order ...Read more