Author:Baumbach, JDate:Oct 2006Camouflage technology exists since 1979 at the CSIR. Spectral measurements of natural phenomena (leaves, bark, soil, rocks) were very difficult during the early days, and spectral measurements were performed on samples brought back from the ...Read more
Author:Katumba, G; Olumekor, L; Forbes, A; Wackelgard, EDate:Jul 2006The investigation and development of carbon-silica composites has been going on for some time. Different applications such as adsorbents, biosensors, templates and solar absorbers have emanated from these studies. The concept of using solar ...Read more
Author:Dada, M; Popoola, P; Mathe, Ntombizodwa R; Pityana, Sisa L; Adeosun, A; Lengopeng, ThaboDate:Feb 2020Laser additive manufacturing is a direct energy deposition process which manufactures components from 3D model data in progressive layers until a whole part is built as opposed subtractive manufacturing. However, during the procedure, the ...Read more
Author:Mbanjwa, M; Chen, H; Fourie, L; Ngwenya, S; Land, KDate:Jun 2014Multiplexed or parallelised droplet microfluidic systems allow for increased throughput in the production of emulsions and microparticles, while maintaining a small footprint and utilising minimal ancillary equipment. The current paper ...Read more
Author:Madigoe, Mandy N; Modiba, Rosinah; Lesley, Cornish, LDate:Nov 2022The aim of this study was to produce a titanium-based alloy with mainly ß-phase and reduced Young’s modulus for biomedical applications. Alloys Ti-Nbx-Ta5-Zr5 (x = 20, 30, 40 at.%Nb) were prepared by arc melting then solution annealed at 950 ...Read more
Author:Roro, Kittessa TDate:Jul 2011This presentation explores solar thermal energy for harnessing solar energy for thermal energy (heat). Solar thermal collectors for water heating use a spectrally selective surface that absorb sunlight and convert it to heat. The presentation ...Read more
Author:Govindasamy, K; Potgieter, S; Land, K; Muzenda, EDate:Jul 2012This paper describes an inexpensive method of fabricating paper based microfluidic devices, a new point of care technology. The method uses a solid ink printer, chromatography paper and a heating source. The printer deposits wax onto the ...Read more
Author:Yalisi, B; Katumba, G; Forbes, A; Pillay, SRDate:Jun 2009Selective solar absorbers are devices that have been designed to absorb as much as possible of the solar radiation which is in the wavelength range of 0.3 to 2.5 µm and to minimise thermal emittance in the wavelength range from 2.5µm to the ...Read more
Author:Matyila, M; Botha, Adèle; Sibiya, GDate:Nov 2016The challenge that low-literate users face when using text intensive artefacts is well documented. The barrier to entry and participation by these users to some socio-economic activities is exacerbated by current mobile phones which provide ...Read more
Author:Leenen, Louise; Aschman, MJ; Grobler, MM; Van Heerden, AdelaiDate:Mar 2018Cyber as an operational domain is widely recognised by military forces, but the process to operationalise cyber poses a number of challenges. One of the difficulties is that traditional military culture is far removed from what is commonly ...Read more
Author:Schutte, PC; Maldonado, CCDate:Jun 2003In view of the seriousness of haul trucks accidents, SIMRAC initiated research to identify factors affecting haul truck driver alertness during mining operations. The information obtained during the risk analysis was used to identify possible ...Read more
Author:Polasi, Letlotlo TDate:Oct 2018Illegal dumping is a major problem which was identified in the City of Johannesburg (CoJ) Metropolitan Municipality in South Africa. The problem of illegal dumping is not unique to this municipality; it has also been identified in other ...Read more
Author:Peake, AV; Ashworth, SGEDate:Oct 1996This project reports on the findings of an investigation into reasons why hanging wall examination procedures fail to prevent fall of ground accidents on gold and platinum mines. Ideally, these procedures should identify every unsafe hanging ...Read more
Author:Botha, GR; Barnard, EDate:Nov 2007The authors investigate the factors that determine the performance of text-based language identification, with a particular focus on the 11 official languages of South Africa, using n-gram statistics as features for classification. For a fixed ...Read more
Author:Hanslo, Ridewaan; Mnkandla, E; Vahed, AnwarDate:Sep 2019Scrum is the most adopted Agile methodology. The research conducted on Scrum adoption is mainly qualitative and there is therefore a need for a quantitative study on Scrum adoption challenges. The primary objective of this paper is to present ...Read more
Author:Ouma, S; Herselman, Martha E; Van Greunen, DDate:Nov 2011This paper looks into an overview of the challenges that are crippling the healthcare domain which provide healthcare services to the resource constrained areas in developing nations. It also looks into how mobile devices can be used to provide ...Read more
Author:Tema, Thabo H; Blaauw, Ciara; Nel, Willem AJ; Abdul-Gaffar, YDate:Nov 2023This study reports the work carried out to perform radiometric calibration of an airborne FMCW SAR test bed developed by the CSIR in South Africa. Factors of the radar range equation are explored to study the multidimensional problem of ...Read more
Author:Senekal, FPDate:Nov 2009The ability to detect and navigate drivable road surfaces is an important research area in autonomous navigation for use in autonomous vehicles. In this paper, a probabilistic computer vision algorithm for segmentation of tarred road surfaces ...Read more
Author:Masina, Bathusile N; Lafane, S; Wu, Lorinda; Kerdja, T; Abdelli-Messaci, S; Forbes, ADate:Oct 2013The main objective of this study is to fully optimise the synthesis of vanadium oxide nanostructures using pulsed laser deposition. We will attempt to realise this by studying the mechanism of the plasma formation and expansion during the ...Read more