Author:Domingues, R; Goni, G; Swart, S; Dong, SDate:Feb 2014The variability of the Antarctic Circumpolar Current (ACC) system is largely linked to the atmospheric forcing. The objective of this work is to assess the link between local wind forcing mechanisms and the variability of the upper-ocean ...Read more
Author:Roos, THDate:May 2012One of the design requirements of a heliostat is the ability to withstand storm wind loads in the stow position and operational wind loads in any position. To design a heliostat, therefore, one must be able to predict the wind loading on the ...Read more
Author:Roos, THDate:May 2012A design requirement of a heliostat is the ability to withstand storm loads in the stow position and operational wind loads in any position. To design a heliostat, therefore, one must be able to predict the wind loading on the heliostat for ...Read more
Author:Cwik, M; Gizejowski, MA; Goliger, Adam M; Sitek, MDate:Dec 2012This paper presents an overview of wind-tunnel tests of one of the highest buildings in Poland - Warsaw Trade Tower. The aim of the tests was to evaluate the extreme values of wind pressure over building facade. In the first part, the development ...Read more
Author:Chauke, Mamello D; Prinsloo, L; Pratt, Lawrence E; Roro, Kittessa TDate:Nov 2021Precise projections of long-term linear wind speed patterns provide a useful predictor of shifts in air circulation. Additionally, they are vital for the planning and financing of sectors such as wind power. Trend analysis and inter-annul ...Read more
Author:Morelli, Mauro FDate:Nov 2022This item is the John Weston Memorial Lecture and comprises a conference presentation providing details on a career involving wind tunnel testing (1990-2022).Read more
Author:Cwik, M; Gizejowski, MA; Goliger, Adam MDate:Sep 2013This paper deals with the wind-tunnel investigations of high-rise buildings. In the first part, an overview of the developments in model testing, as well as the future trends, have been discussed. Particular emphasis has been placed on methods ...Read more
Author:Goliger, Adam MDate:Apr 2010In recent years large-scale global sports events and related ventures have received significant international media coverage and socio-economic support from the hosting countries. This is especially evident in respect of all recent Olympic ...Read more
Author:Cloete, R; Loock, JC; Mtshali, Thato N; Fietz, S; Roychoudhury, ANDate:Apr 2019First measurements of labile dissolved copper (LdCu) and dissolved zinc (dZn) and nickel (dNi) in the Atlantic sector of the Southern Ocean in winter are compared with summer data at reoccupied stations in order to better understand the winter ...Read more
Author:Smit, AJ; Fitchett, JM; Engelbrecht, FA; Scholes, RJ; Dzhivhuho, G; Sweijd, Neville ADate:Jul 2020SARS-CoV-2 virus infections in humans were first reported in December 2019, the boreal winter. The resulting COVID-19 pandemic was declared by the WHO in March 2020. By July 2020, COVID-19 was present in 213 countries and territories, with ...Read more
Author:Bright, G; Tlale, NS; Kumile, CMDate:Aug 2010Modular mechatronics systems comprise of mechatronics sub-systems that are functionally complete and can be independently operated. These sub-systems can be readily fitted and connected to, or in combination with, additional sub-systems. ...Read more
Author:Molefi, M; Markus, ED; Abu-Mahfouz, Adnan MIDate:Jun 2019LPWANs are emerging to provide solutions for covering very low-power Internet of Things devices and applications which may be distributed over large geographical areas. LPWANs generally consume very low power thus their batteries can last for ...Read more
Author:Abu-Mahfouz, Adnan MIDate:Oct 2012MI2T-WSN is a multi-level infrastructure of interconnected testbeds of large-scale WSNs. MI2T-WSN consists of 1000 sensor motes that will be distributed into four different testbeds. The variations of these testbeds will allow for the ...Read more
Author:Adedeji, K; Hamam, Y; Abe, B; Abu-Mahfouz, Adnan MIDate:Sep 2016With increasing population in South Africa coupled with improved standard of living, the demand for water has increased dramatically in the past few years. To meet this demand and for effective water supply, the water loss through leakages ...Read more
Author:Dludla, Angeline G; Abu-Mahfouz, Adnan MI; Kruger, Carel P; Isaac, Sherrin JDate:May 2013Wireless sensor networks (WSNs) have been used in different types of applications and deployed within various environments. Simulation tools are essential for studying WSNs, especially for exploring large-scale networks. However, WSN testbeds ...Read more
Author:Debba, Pravesh; Cho, Moses A; Mathieu, Renaud SADate:Jul 2009In this paper, a comparison is made through evaluating the within and between-class species variability for the original, the first derivative and second derivative spectra. For each, the experiment was conducted (i) over the entire electromagnetic ...Read more