Author:Aderemi, BA; Puati Zau, AT; Chowdhury, SPD; Olwal, TO; Abu-Mahfouz, Adnan MIDate:Jun 2018As an energy storage device, battery technologies had evolved over the years from using a simple nickel-iron to the later superior technology of lead-acid. Furthermore, as the needs of the battery to store a large amount of energy grows, the ...Read more
Author:Tazvinga, Henerica; Dzobo, ODate:Jun 2017Renewable energy sources such as solar photovoltaic (PV) systems have been widely utilized as alternative energy sources to fossil fuels in residential areas in many countries. The PV cell output varies according to many factors including ...Read more
Author:Mowat, AGB; Malan, AG; Van Zyl, Louwrens H; Meyer, JPDate:Jun 2011A fully-coupled partitioned fluid-structure interaction (FSI) scheme is developed for sub- and transonic aeroelastic structures undergoing non-linear displacements. The Euler equations, written in an Arbitrary Lagrangian Eulerian (ALE) ...Read more
Author:Szewczuk, SDate:Jun 2009To date, the South African electrification programme has been highly successful from a policy, institutional, planning, financing and technical innovation perspective. The focus on electrification and energisation, though, has moved from ...Read more
Author:Szewczuk, SDate:Nov 2008One of the South African Government’s objectives is to have universal access to electricity for all of its citizens (Mbeki, 2004). To date, the South African electrification programme has been extremely successful from a policy, institutional, ...Read more
Author:Maodzeka, DK; Olakanmi, EO; Mosalagae, M; Hagedorn-Hansen, D; Pityana, Sisa LDate:Aug 2022Improper selection of laser powder bed fusion (LPBF) process parameters tends to result in poor quality parts which imposes limitations with respect to the mechanical performance due to process induced defects. To address this LPBF processing ...Read more
Author:Bezuidenhout, PH; Smith, S; Land, KJ; Joubert, TDate:Oct 2017The focus of this paper is the manufacturing of a low-cost hybrid paper-based potentiostat. Potentiostats exhibit high sensitivity, and can be used for a variety of applications. The results highlight the functionality of a paper-based ...Read more
Author:Rens, GB; Meyer, TADate:Jan 2015The authors propose an agent architecture which combines Partially observable Markov decision processes (POMDPs) and the belief-desire-intention (BDI) framework have several complementary strengths. The authors propose an agent architecture, ...Read more
Author:Van Vuuren, DSDate:Jan 2007In a hydrogen economy, hydrogen is expansively being used as a means to store, distribute, and convert energy into other useful forms. Hydrogen is expensive, an efficient energy carrier, is dangerous and has low energy density. Of concern ...Read more
Author:Van Vuuren, DDate:Feb 2007This presentation looks at the platinum and gold mining industry, petrochemical industry for example Sasol, the SA automotive industry, electricity generation – Eskom & PBMR, the fuel cell industry, potential consumers, R&D community:universities ...Read more
Author:Langmi, Henrietta W; North, Brian C; Bessarabov, D; Lototskyy, M; Williams, M; Pollet, BGDate:Nov 2012One of HySA’s missions is to deliver technologies for hydrogen storage infrastructure that meet the set cost targets and provide the best balance of safety, reliability, robustness, quality and functionality. HySA aims to develop storage and ...Read more
Author:Langmi, Henrietta W; Bessarabov, DDate:Jul 2013Safe, efficient hydrogen storage and distribution is widely regarded as one of the major challenges facing the transition to the Hydrogen Economy. Conventionally, hydrogen is stored as compressed gas or cryogenically as a liquid. In order to ...Read more
Author:Mwenge Kahinda, Jean-Marc; Kapangaziwiri, EvisonDate:Oct 2012Hydrological modelling of the Zambezi River
Basin will inform the development and formulation of appropriate management
strategies to ensure and maintain
environmental flow requirements.Read more
Author:Sikhwivhilu, LM; Mpelane, S; Moloto, N; Ray, Suprakas SDate:Jan 2010The influence of the method of synthesis in the properties of the tubular structures derived from TiO2 was investigated using XRD, SEM and BET analysis. The use of microwave irradiation resulted in the formation of TiO2 tubes comprising anatase ...Read more
Author:Berman, Robert J; Rosman, Benjamin S; Van Niekerk, B; Nordengen, Paul ADate:Oct 2018The ever increasing global freight task brings with it a number of challenges for road freight transportation. The combination of high-capacity vehicles and Performance-based Standards (PBS) is proving to be a viable and sustainable option ...Read more
Author:Berman, Robert J; Benade, R; Rosman, Benjamin S; Nordengen, Paul ADate:Nov 2016This paper presents a data driven approach to develop a prediction model for the PBS performance of heavy vehicles. A gap exists between trailer manufacturers who create PBS vehicle designs and the PBS assessors who evaluate the performance ...Read more