Browsing Engineering, Built Environment and Information Technology by Title

Browsing Engineering, Built Environment and Information Technology by Title

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  • On the optimum metal particle disposition in the propellant grain 
    Minkov, L.; Shrager, E.; Pikushchak, E. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2014)
    Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.
  • On the performance gain of STFC-LDPC concatenated coding scheme for MIMO-WiMAX 
    Mare, Karel Petrus (University of Pretoria, 2009-12-09)
    In mobile communications, using multiple transmit and receive antennas has shown considerable improvement over single antenna systems. The performance increase can be characterized by more reliable throughput obtained ...
  • On the possibility (or lack thereof) of agreement between experiment and computation of flows over wings at moderate Reynolds number 
    Tank, J.; Smith, Lelanie; Spedding, G.R. (The Royal Society, 2017-02)
    The flight of many birds and bats, and their robotic counterparts, occurs over a range of chord-based Reynolds numbers from 1 x 104 to 1.5 x 105. It is precisely over this range where the aerodynamics of simple, rigid, ...
  • On the question of architecture and identity, in post-apartheid South Africa 
    Noble, J.A. (Jonathan); Mare, Estelle Alma (Art Historical Work Group of South Africa, 2014)
    Considerations as to personal and group identity seem to be everywhere these days, in the national news, in the latest pop/rap video and with respect to the very clothes that we choose to wear. Significantly, in ...
  • On the role of inlet flow instabilities on horizontal initially stratified liquid-liquid flow development 
    Morgan, R.G.; Ibarra, R.; Zadrazil, I.; Markides, Christos N. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2014)
    Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.
  • On the scatter of experiments done with open-cell metal foam in open literature 
    De Schampheleire, S.; De Jaeger, P.; De Kerpel, K.; Ameel, B.; Huisseune, H.; Bagci, O.; De Paepe, M. (HEFAT, 2016)
    This paper reviews the available methods to study thermal applications with open-cell metal foam. For experimental research, the focus is on the repeatability of the experiments. Especially for open-cell metal foam, this ...
  • On the Scientific Maturity of Digital Forensics Research 
    Gruner, Stefan; Olivier, Martin S. (Springer-Verlag, 2013)
    In this paper we transfer a well-known grade schema of scientific maturity from the domain of software engineering into the domain of digital forensics research. On the basis of this maturity schema and its grades we ...
  • On the shortage of engineering in recent information systems research 
    Gruner, Stefan; Kroeze, Jan C.W.; Australasian Conference on Information Systems, 25th : 2014 : Auckland, New Zealand (Australasian Association for Information Systems, 2014-12-08)
    In this paper we argue that the so-called 'positivism'-versus-'interpretivism' conflict raised by some constructivist, postmodernist, relativist philosophers and methodologists in information systems research is merely a ...
  • On the social network perspective of road-freight facilities 
    Joubert, Johan W.; Southern African Transport Conference (29th : 2010 : Pretoria, South Africa); Transportation Research Board of the National Academies (TRB) (Document Transformation Technologies, 2010-08)
    Paper presented at the 29th Annual Southern African Transport Conference 16 - 19 August 2010 "Walk Together", CSIR International Convention Centre, Pretoria, South Africa.
  • On the teaching of the aerodynamic heating problem 
    Arnas, A.O.; Boettner, D.D.; Tamm, G.; Norberg, S.A.; Whipple, J.R. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2008)
    The problem of aerodynamic heating, along with some other topics, are lacking in most, if not all, heat transfer textbooks that are used for undergraduate and graduate education. There are many issues in the aerodynamic ...
  • On the theory of charge transfer energies at donor-acceptor interfaces in solar cells 
    Warmbier, R.; Seifert, G.; Scholz, R.; Quandt, A. (3rd Southern African Solar Energy Conference, South Africa, 11-13 May, 2015., 2015)
    Paper presented to the 3rd Southern African Solar Energy Conference, South Africa, 11-13 May, 2015.
  • On the thermodynamics of angular propulsion 
    Polihronov, J.G.; Straatman, A.G.; DeGroot, C.T. (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2014)
    Paper presented to the 10th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Florida, 14-16 July 2014.
  • On the use of colored sand for volumetric solar radiation absorption for concentrated solar power applications 
    Gimeno-Furio, A.; Hernandez, L.; Martinez-Cuenca, R.; Cabedo, L.; Julia, J.E.; Barreneche, C.; Cabeza, L. (HEFAT, 2017)
    Volumetric direct solar receivers have been proposed in Concentrated Solar Power (CSP) applications since they present higher efficiencies than standard surface receivers do. Silicon dioxide sand has been proposed as ...
  • On the use of economic price theory to determine the optimum levels of privacy and information utility in microdata anonymisation 
    Zielinski, Marek Piotr (University of Pretoria, 2010-09-13)
    Statistical data, such as in the form of microdata, is used by different organisations as a basis for creating knowledge to assist in their planning and decision-making activities. However, before microdata can be made ...
  • On the use of momentum and kinetic energy tubes for analyzing transport phenomena in a supersonic ejector 
    Lamberts, O.; Bartosiewicz, Y.; Chatelain, P. (HEFAT, 2016)
    This work aims at providing novel insights into the entrainment and energy exchange phenomena within a supersonic ejector. To this end, advanced analysis tools based on momentum and energy tubes (Meyers and Meneveau ...
  • On the value of test data for reducing uncertainty in material models : computational framework and application to spherical indentation 
    Asaadi, Erfan; Heyns, P.S. (Philippus Stephanus); Haftka, Raphael T.; Tootkaboni, Mazdak P. (Elsevier, 2019-04)
    We present a conceptual framework and the computational tools to study the value of the material responses in designing material characterization tests to identify the material model under uncertainty. A computational ...
  • On the wing density and the inflation factor of aircraft 
    Huyssen, R.J. (Joachim); Mathews, E.H.; Liebenberg, Leandi; Spedding, G.R. (Cambridge University Press, 2016-02)
    The aviation industry is dominated by the domain of heavier-than-air, fixed-wing, subsonic flight, and central to any design in this domain is the wing itself. One of the earliest debates in aviation still centres around ...
  • On wave breaking in tuned liquid dampers 
    Oda, T.F.; Hamed, M.S.; Saud, Ghani (International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, 2012)
    Paper presented at the 9th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Malta, 16-18 July, 2012.
  • On ‘beauty’ : flowers in postmodern art 
    Lategan, Anita; Stevens, Ingrid (Art Historical Work Group of South Africa, 2006)
    In this article, Umberto Eco’s definitions of beauty from his recent publication, On Beauty: a history of a western idea (2004), are used to examine a selection of postmodern artworks that depict flowers either as ...
  • An on-chip post-production tunable group delay equaliser 
    Osuch, Piotr Jan; Stander, Tinus; International Conference on Actual Problems of Electron Devices Engineering (APEDE) (2014 : Saratov, Russia) (Institute of Electrical and Electronics Engineers, 2014)
    A design method for distributed element on-chip post-production tunable group delay equalising networks is presented. It is shown that a number of adjustable Darlington C-sections can be used to equalise the group delay ...