Research and Innovation Unit ETDs: Recent submissions

  • Suitability of layer manufacturing technologies for rapid tooling development in investment casting of light metals 
    Dimitrov, D.; Hugo, P.A.; Deez, B. (Journal for New Generation Sciences, Vol 8, Issue 2: Central University of Technology, Free State, Bloemfontein, 2010)
    Rapid tooling (RT) in the context of this research presents the possibility of improving the traditional investment casting process by shortening lead times while still maintaining affordable costs and required quality. ...
  • Innovations in medical image processing for the design of custom medical devices and implants 
    Boelen, E. (Journal for New Generation Sciences, Vol 8, Issue 2: Central University of Technology, Free State, Bloemfontein, 2010)
    In this article we will describe the use of 3D medical image information of individual patients as well as selected patient populations, combined with CAE tools and processes, in the rapid product development of custom and ...
  • Technological developments in medical applications of rapid prototyping and manufacturing technology over the last decade 
    Bibb, R. (Journal for New Generation Sciences, Vol 8, Issue 2: Central University of Technology, Free State, Bloemfontein, 2010)
    This paper identifies the most significant technological developments made in medical applications of rapid prototyping and manufacturing (RP&M) over the past decade. This assessment is based on a retrospective analysis ...
  • Assessing the level of preparedness, preferences, and fears of first-year science students at the Central University of Technology, Free State 
    Matoti, S.N. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This exploratory and descriptive study examines the perceptions of first-year science students regarding their preparedness for the programme, their preferences and their fears as they embark on university education for ...
  • The application of Van der Waals forces in micro-material handling 
    Matope, S.; Van Der Merwe, A. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This paper investigates the challenges of employing Van der Waals forces in micro-material handling since these forces are dominant in micro-material handling systems. The problems include the creation of a dust-free ...
  • Student learning outcomes assessment in radiography within the context of a national higher education quality framework 
    Mackinnon, J.; Friedrich-Nel, H. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This article describes a process of student learning outcomes assessment for a health sciences programme in radiography at a university in South Africa. Its purpose is to demonstrate that while the process of student ...
  • Translation as negotiation : a musical perspective 
    Human, R.; Van Niekerk, C (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    Discourse on translation studies is situated in this article outside linguistics, in musical studies. Contextualising and problematising issues when music from African choir culture is translated for non-Africans (Westerners) ...
  • Application of digital process simulation on an automotive production line 
    Hua, T.; Sowe, M.; Van Niekerk, T.I.; Holdack-Ianssen, H.; Du Preez, K.; Pienaar, S. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This paper presents the work on the development of a digital simulation model for the transportation line in a local automotive manufacturing plant. It describes a structured procedure of data collection, digital design, ...
  • Advancing the hygiene management system at red meat abattoirs in Gauteng 
    Govender, R.; Genis, E.M. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    Direct control by government over abattoirs shifted in the late 1980s through privatisation. The legislated food safety system, namely the Hygiene Management System (HMS), coupled with the Hygiene Assessment System (HAS) ...
  • Comparative non-linear simulation of temperature profiles induced in an exhaust manifold during cold-starting 
    Desai, D.A. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    The simulation of an exhaust manifold's thermal behaviour is an important concern for various reasons. Amongst them is the need to minimise catalyst light-offtime as significant exhaust emissions are generated within this ...
  • Investigation of the impact of conformal cooling on the performance of injection moulds for the packaging industry 
    Dimitrov, D.; Moammer, A (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This paper discusses the results obtained from studies on the performance of different cooling layouts. The conventional method of cooling makes use of straight-line cooling channels. This simple method of cooling does not ...
  • A multi-dimensional analysis of local economic development in Graaff-Reinet, Eastern Cape 
    Atkinson, D.; Ingle, M. (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    This article presents the results of a business survey conducted in the Great Karoo town of Graaff-Reinet. The survey solicited the views of business owners on a range of economic issues. The findings also draw on a number ...
  • Evaluating the properties of products fabricated from commercial steel powders using the selective laser micro-welding rapid manufacturing technique 
    Abdelghany, K (Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010)
    Selective laser micro-welding (SLMW) is a recent rapid manufacturing technique that produces metal parts through the use of a laser beam that selectively scans over the powder layers and fully melts and micro-welds the ...
  • Computer-aided instruction to improve pass rates of first-year chemistry students 
    Marais, A.F.; Gummow, R.J. (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    Past imbalances in the South African education system continue to perpetuate in poorly resourced schools and inadequately skilled teachers, resulting in under-prepared university students. At Tshwane University of Technology ...
  • Teaching ethics, human rights and medical law to undergraduate diagnostic radiography students 
    Kekana, R.M. (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    Members of society are fast becoming aware of their rights and many practitioners are at risk of losing their licence to practise due to unethical practices. The growing human rights violations commonly seen in vulnerable ...
  • Developing an extended curriculum for humanities at the University of KwaZulu-Natal : conceptual shifts, challenges and constraints 
    Clarence-Fincham, J (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    This article traces the early development and implementation of an extended curriculum in the Faculty of Humanities, Development and Social Sciences at the University of KwaZulu-Natal. Following Volbrecht and Boughey (2004) ...
  • Rapid die manufacturing using direct laser metal deposition 
    Pereira, M.F.V.T.; Williams, M.; Bruwer, R. (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    Global issues such as energy and climate changes have impacted on both the automotive and aerospace industries, forcing them to adopt measures to produce products that consume fewer combustibles and emit less carbon dioxide. ...
  • The development and implementation of finite element analysis techniques in the design of press tooling 
    Mbavhalelo, M.; Oliver, G. (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    Rapid and reliable methods for component development and economic manufacturing layout are today crucial factors for the application of press tooling techniques in mass production of automotive industry components. The use ...
  • Composites in rapid prototyping 
    Gibson, I.; Liu, Y.; Savalani, M.M.; Anand, L.K.; (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    This paper looks at the development of composite materials in layered manufacturing. It is known that Rapid Prototyping (RP) using a single material compares poorly with other conventional manufacturing processes when ...
  • Reverse engineering in industrial applications. A comparative study. 
    Dimitriv, D.; Deez, B.S.; Sonn, A.E (Journal for New Generation Sciences, Vol 7, Issue 3: Central University of Technology, Free State, Bloemfontein, 2009)
    The development of innovative products and their realisation by means of advanced manufacturing methods and process combinations is more becoming a key issue in international competitiveness. The industrial production is ...

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