Research Publications (Engineering and Built Environment)
Recent Submissions
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Fault investigation methods on power transmission line : a comparative study
(IEEEhttp://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7556578, 2016)In this paper, the authors have carried out fault investigation in Power Transmission Line using three different techniques: Simple impedance method, Travelling wave method and Wavelet Multi-Resolution Technique. Different ... -
Modeling and control of voltage source converters for grid integration of a wind turbine system
(IEEE, 2016)Wind energy is one of the most promising renewable energy sources for generating electricity due to its cost competitiveness when compared to the conventional energy sources (fossil fuels). Wind farms are usually located ... -
Harmonic distortion of LCC-HVDC and VSC-HVDC link in Eskom's Cahora Bassa HVDC Scheme
(IEEE, 2016-11)Cahora Bassa, a thyristors based HVDC link transmits 1,920 MW of power from hydropower plant located in Zambezi river, north of Mozambique to Johannesburg, South Africa. This HVDC converter suffer few deficiency in its ... -
Optimisation of a hybrid PV-diesel system for rural application: the case of Oluundje Village, Namibia
(University of Namibia, 2016-10-23)The absence of electricity in remote and rural areas is one of the major challenges faced by many poor and developing countries. Hybrid energy systems (HES) based on photovoltaics (PV) are considered to be an e ective ... -
The applicability of nanofiltration for the treatment and reuse of textile reactive dye effluent
(AJOLhttps://www.researchgate.net/publication/281689399_The_applicability_of_nanofiltration_for_the_treatment_and_reuse_of_textile_reactive_dye_effluent, 2015)The main aim of the study was to test the feasibility of using nanofiltration (NF) processes for the treatment of reactive dye-bath effluents from the textile industry, in order to recover the water and chemicals (salts) ... -
Correlations for the prediction of NTU and mass transfer coefficient for a VPE
(South African Institute of Chemical Engineershttp://www.icheme.org/~/media/Documents/Countries/South%20Africa/Journal/Vol%2016%20No%201pp%203049.pdf, 2011)Liquid-liquid extraction is the separation of the constituents of a liquid solution by contact with another insoluble. The reciprocating column (RPC) and vibrating plate column (VPE) are two types of mechanically aided ... -
Analysis of current Pulses in HeLa-Cell Permeabilization due to high voltage DC corona discharge
(IEEE, 2016-09)Corona discharges are commonly utilized for numerous practical applications, including bio-technological ones. The corona induced transfer of normally impermeant molecules into the interior of biological cells has recently ... -
Dynamic voltage stability studies using a modified IEEE 30-Bus system
(IEEEhttp://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7555668, 2016)Power System stability is an essential study in the planning and operation of an efficient, economic, reliable and secure electric power system because it encompasses all the facet of power systems operations, from planning, ... -
A review of LCC-HVDC and VSC-HVDC technologies and applications
(IEEEhttp://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7555677, 2016)High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems. The efficiency and rated ... -
Resolving contractor commitment challenges in project delivery by using conceptual system dynamics models
(University of Johannesburghttp://journals.co.za/docserver/fulltext/jcpmi_v6_supp1_a6.pdf?expires=1495524187&id=id&accname=58140&checksum=102273BC80DF8A13D854D6D559E8550D, 2016)Contractors play a vital role in construction projects. However, their lack of commitment is argued to be one of the major barriers against successful project delivery. This investigation was aimed at to explore how ... -
The role of spatial development frameworks in transformation of the eThekwini Municipality, KwaZulu-Natal, South Africa : reflecting on 20 years of planning
(Springer Science+Business Media Dordrechthttp://link.springer.com/article/10.1007%2Fs12132-015-9272-6, 2016-01-06)In the 20 years since the advent of a democratic government in South Africa, planned expenditure on infrastructure projects by municipalities has been used in part to redress inequalities and socioeconomic distortions ... -
Comparative analysis and case study to evaluate conventional designs and environmentally sensitive infrastructure design solutions
(SAICEhttp://saice.org.za/downloads/monthly_publications/2016/2016%20Civil%20Engineering%20August/#/42, 2016-08)Globally the construction industry is one of the main contributors to the depletion of natural resources and a major cause of unwanted side effects such as air and water pollution, solid waste, deforestation, health hazards, ... -
The use of eco efficient criteria in the design of infrastructure projects
(WITPRESShttps://www.witpress.com/elibrary/sdp/11/1/1072, 2016)Globally, the construction industry is one of the main contributors to the depletion of natural resources and a major cause of unwanted side effects such as air and water pollution, solid waste, deforestation, health ... -
Lighting up the future of ports with LED
(SAICEhttp://saice.org.za/downloads/monthly_publications/2016/2016%20Civil%20Engineering%20March/#/66, 2016)Ports and terminals compete fiercely for container traffic. Those with the most efficient operations stand to win the most business and generate the highest profits. Driving down costs is crucial to remaining competitive. ... -
Concrete overlay versus reconstructing as a repair method to damaged concrete pavement at the Durban Container Terminal
(IJRDO, 2016-04)Concrete overlays for concrete pavement have not been used locally, but there is extensive experience of the method abroad and particularly in the USA, where concrete as a paving material in port terminals, airports and ... -
What has been done and still needs to be done to skill South Africans to deliver infrastructure projects
(2016)The National Infrastructure Plan is made up of eighteen Strategic Integrated Projects (SIPs) each of which consists of a large number of projects drawn from a wide range of economic sectors and stretching across all nine ... -
Analysis of temperature and rainfall trends in Vaal-Harts irrigation scheme, South Africa
(AJERhttp://www.ajer.org/papers/v3%282%29/ZH32265269.pdf, 2014)Abstract: - Agriculture is crucially dependent on the timely availability of adequate amount of water and a conducive climate. Temperature and rainfall patterns impact the availability of water for agricultural uses. ... -
Measuring infrastructure sustainability with the use of eco efficient performance criteria
(International Association of Scientific Innovation and Researchhttp://iasir.net/AIJRSTEMpapers/AIJRSTEM15-245.pdf, 2015)Civil engineering projects can have significant site-specific and cumulative impacts on our ecological and social systems if not correctly planned, designed and implemented. As we face significant planetary issues such as ... -
Analysis of electric-rubber tyred gantries for a more green Durban Container Terminal
(International Organization Of Scientific Research (IOSR)http://www.iosrjen.org/Papers/vol5_issue6%20%28part-2%29/E05622428.pdf, 2015-06)The Durban Container Terminal (DCT) is currently the biggest and busiest container terminal in Africa and handles about 2.7-million TEUs a year. DCT handles approx. 70% of South Africa’s containers and generates 60% of ... -
A very ordinary power : The evolution of the electrical substation in Pietermaritzburg, 1900-1960
(School for Basic Sciences, Vaal Triangle Campus, North-West University, 2014)Pietermaritzburg is a city in KwaZulu-Natal, South Africa, characterised by a central core of late Victorian-era buildings. It was in this period that electrification arrived, bringing with it new challenges in the provision ...
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