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Research Articles: Faculty of Engineering and Information Technology: Recent submissions

Now showing items 221-240 of 301

Quality Control of a Laser Additive Manufactured Medical Implant by X-Ray Tomography

du Plessis, Anton; le Roux, Stephan Gerhard; Booysen, Gerrie; Els, Johan (Stellenbosch University: 3D Printing and Additive Manufacturing, 2016)

Quality control of laser additive manufactured medical implants is of interest, especially if nondestructive quality control can be performed on parts before implantation. X-ray micro-computed tomography (microCT or CT) ...
Directionality of Cavities and Porosity Formation in Powder-Bed Laser Additive Manufacturing of Metal Components Investigated Using X-Ray Tomography

du Plessis, Anton; le Roux, Stephan Gerhard; Booysen, Gerrie; Els, Johan (Stellenbosch University: 3D Printing and Additive Manufacturing, 2016)

Ensuring additive manufactured metal components are free of major defects is crucial to the application of this new technology in medical and aerospace industries. One source of defects in such parts is lack of fusion ...
Customized reconstruction of an extensive mandibular defect: A clinical report.

Fernandes, N; van den Heever, J; Hoek, K; Booysen, G (PubMed: Journal of Prosthetic Dentistry, 2016)

Myoepithelial carcinomas are rare malignant tumors arising from salivary glands. They most commonly involve the parotid and minor salivary glands but may also occur in the submandibular glands. These tumors can become ...
Risk management in public sector construction projects: Case studies in Lesotho

Molefi, Nketekete; Emuze, Fidelis; Smallwood, John (Acta Structilia, 2016)

Construction projects are facing problems that impede their expected performance. Time, cost, quality, and competition limitations place constraints on projects. These challenges require incisive risk-management (RM) ...
Improving the business trajectory among small and medium size construction firms in South Africa

Wentzel, L.; Smallwood, J.J.; Emuze, F.A. (Journal of Construction Project Management and Innovation, 2016)

The Construction Industry Development Board (cidb) register of contractors shows that small and medium sized enterprises (SMEs) outnumber established firms in South Africa. However, the failure rate of SME businesses, ...
EXPLORING PERCEIVED IMPLEMENTATION ISSUES OF THE PERMIT-TO-WORK REQUIREMENT OF THE CONSTRUCTION REGULATIONS IN SOUTH

Matete, Rose; Emuze, Fidelis (2015)

Regulations are designed to encourage changes in individual outcomes. Such outcomes could be changes in conditions of work that leads to reduced accidents, injuries, and fatalities in the construction industry. Following ...
Conceptual transformation process model for sustainability in the infrastructure sector

Isa, Rasheed Babatunde; Emuze, Fidelis; Dsa, Dillip Kumar (Journal of Construction Project Management and Innovation, 2016)

Business as usual (BAU) model of infrastructure delivery is contrary to the needs of sustainability in the built environment. This difference necessitates a South African study that is focus on sustainability in the ...
Optimal scheduling for distributed hybrid system with pumped hydro storage

Kusakana, Kanzumba (Energy Conversion and Management, 2015)

Photovoltaic and wind power generations are currently seen as sustainable options of in rural electrification, particularly in standalone applications. However the variable character of solar and wind resources as well ...
The role of contracting strategies in social value implementation

Awuzie, Bankole O.; McDermott, Peter (Proceedings of the Institution of Civil Engineers - Management, Procurement and Law, 2016)

There has been an increasing demand for social value (SV) implementation to assume a cardinal position in the infrastructure delivery efforts of infrastructure client organisations (ICOs). However, whereas successful ...
Green business models transformation: evidence from the UK construction sector

Abuzeinab, Amal; Arif, Mohammed; Kulonda, Dennis J.; Awuzie, Bankole Osita (Built Environment Project and Asset Management, 2016)

Sustainability has the potential to bring enormous benefits to our built environment. To release this potential, a change in business models is required. The purpose of this paper is to investigate green business models ...
Enabling sustainable procurement of built assets in African universities : perspectives of facilities’ directors

Awizie, Bankole; Emuze, Fidelis (Journal of Construction Project Management and Innovation, 2016)

The commitment of Higher Education Institutions (HEIs) to Sustainable Development (SD) seems to be yielding limited results. This is evident in the procurement and delivery of built assets within HEIs in Sub-Saharan Africa ...
Influence of integrated reporting ratings, CEO age, and years of experience on the share price of top 106 JSE listed companies

Rambe, Patient; Mangara, Tonde B. (Problems and Perspectives in Management, 2016)

Integrated corporate reporting (ICR), which entails the process of compiling, documenting and reporting on company’s resources, its ongoing relationships with key stakeholders; business models; products (services); and the ...
Varying percentages of full uniform shading of a PV module in a controlled environment yields linear power reduction

Swart, Arthur James; Hertzog, Pierre E. (Journal of Energy in Southern Africa, 2016)

Partial shading of a PV module has received much attention over the past few years, as it results in uneven cell power generation, compromising a PV system performance. Full uniform shading of a PV module has not received ...
Scholarship of teaching and learning: ‘what the hell’ are we getting ourselves into?

Swart, Arthur James; Luwes, Nicolaas; Olwagen, Lienie; Greyling, Cameron; Korff, Carel (European Journal of Engineering Education, 2015)

Academics must be encouraged to reflect on their teaching, to apply new pedagogies to support student learning and to report on the results of these actions, which really forms part of programmes relating to Scholarship ...
Distance Learning Engineering Students Languish Under Project-Based Learning, But Thrive in Case Studies and Practical Workshops

Swart, Arthur James James (IEEE Transactions on Education, 2016)

The International Engineering Alliance lists 12 important graduate attributes that students must demonstrate during their higher educational career. One of these important graduate attributes is the ability to solve problems, ...
A survey of innovative technologies increasing the viability of micro-hydropower as a cost effective rural electrification option in South Africa

Kusakana, Kanzumba (Elsevier: Renewable and Sustainable Energy Reviews, 2014)

The aim of this paper is to provide a survey of different innovative technologies that can be applied to the micro-hydropower system to make it cost effective for rural energy supply. Electrical, mechanical, civil or ...
Status of micro-hydrokinetic river technology in rural applications: A review of literature

Vermaak, Herman Jacobus; Kusakana, Kanzumba; Koko, Sandile Philip (Elsevier: Renewable and Sustainable Energy Reviews, 2014)

Apparently, most hydrokinetic literatures mainly concentrate on large-scale technologies such as waves, tides and ocean current applications. This could be one of the reasons delaying the utilization of smallscale hydrokinetic ...
Hybrid diesel generator/renewable energy system performance modeling

Kusakana, Kanzumba; Vermaak, Herman Jacobus (Elsevier: Renewable Energy, 2014)

A Hybrid Energy System may been defined as a system in which different energy sources (solar, wind, hydro, diesel generator, etc.) as well as energy storage systems are interconnected to meet the load energy demand at ...
Design of a photovoltaicewind charging station for small electric Tuketuk in D.R.Congo

Vermaak, Herman Jacobus; Kusakana, Kanzumba (Elsevier: Renewable Energy, 2014)

Renewable energy charging stations can play a key role in the successful development and deployment of electric vehicles in the areas not connected to the electrical grid. This paper discusses the possibilities of using ...
Techno-economic analysis of off-grid hydrokinetic-based hybrid energy systems for onshore/remote area in South Africa

Kusakana, Kanzumba (Elsevier: Energy, 2014)

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