Now showing items 178-197 of 229

  • Rea Vaya : South Africa’s first bus rapid transit system 

    Adewumi, Emmanuel Olusegun; Allopi, Dhiren (ASSAfhttp://dx.doi.org/10.1590/sajs.2013/a0029, 2013)
    Today, both the public and private transport sectors are facing challenges as a result of an increase in vehicle ownership and the suburbanisation of both firms and residences in the world. In the past, public transport ...
  • Real time optimal water allocation in the Orange River catchment in South Africa 

    Olofintoye, Oluwatosin Onaopemipo (2015)
    The planning and management of water resources systems often involve formulation and establishment of optimal operating policies and the study of trade-off between different objectives. Due to the intricate nature of water ...
  • Reclamation of end-of-pipe textile effluent using low energy membrane systems 

    Xaba, P; Rathilal, Sudesh; Pillay, L. (South African Institution of Chemical Engineers, 2015)
    In this study, the reclamation of end-of-pipe textile effluent originating from a reactive dyeing textile mill was investigated using low energy membrane based processes. Effluent quality, salt recovery and membrane recovery ...
  • Reducing straddle carrier accidents at the Port 

    Naicker, Rowen; Allopi, Dhiren (IOSR Journalshttp://iosrjournals.org/iosr-jmce/papers/vol12-issue6/Version-3/H012636165.pdf, 2015)
    Abstract: The Straddle Carrier (SC) is a very popular piece of equipment. These carriers can undertake a variety of handling operations such as loading, unloading, stacking and transport of containers between the landside ...
  • Refined theory of laminated anisotropic shells for the solution of thermal stress problems 

    Verijenko, Viktor E.; Tauchert, T. R.; Shaikh, C.; Tabakov, Pavel Y. (Taylor & Francishttp://www.tandfonline.com/doi/pdf/10.1080/014957399281066, 1999)
    A new higher order theory of laminated anisotropic shells for the solution of thermal stress problems that takes into account transverse shear stresses is developed.The theory is based on the kinematic hypotheses that ...
  • Resin infusion analysis of nanoclay filled glass fiber laminates 

    Kanny, Krishnan; Mohan, T. P. (Elsevierhttp://www.sciencedirect.com/science/article/pii/S1359836813006008, 2013-11-13)
    This paper focuses on the resin flow characteristics of nanoclay filled glass fiber laminates processed by Vacuum Assisted Resin Infusion Molding (VARIM). Laminates with varying quantities of nanoclays (0–5 wt.%) were prepared ...
  • Resolving contractor commitment challenges in project delivery by using conceptual system dynamics models 

    Aiyetan, Olatunji Ayodeji; Das, Dillip (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 ...
  • Reuse of cured epoxy as a reinforcement in an epoxy composite 

    Mohan, T. P.; Kanny, Krishnan (Wileyhttp://dx.doi.org/10.1002/pen.23444, 2013)
    This article discusses the reuse of a thermoset-based epoxy polymer. In this method, cured epoxy polymer is ground to powder of particle size ranging from 1 to 30 μm. The ground epoxy is then filled in an epoxy polymer to ...
  • A review of LCC-HVDC and VSC-HVDC technologies and applications 

    Oni, Oluwafemi E.; Davidson, Innocent E.; Mbangula, Kamati N.I. (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 ...
  • The review of sub-Sahara Africa gravel roads maintenance management system’s monitoring and need assessment : Tanzania experience 

    Mwaipungu, Richard Robert; Allopi, Dhiren (WITPress, 2014)
    Although the urge to construct new gravel roads to reach areas, which are potential economically is still there, it is now becoming clear to the road agencies in sub-Saharan Africa that a large proportion of the gravel ...
  • Review of three data- driven modelling techniques for hydrological modelling and forecasting 

    Oyebode, Oluwaseun Kunle; Otieno, Fredrick Alfred O.; Adeyemo, Josiah (PSP, 2014)
    Various modelling techniques have been proposed and applied for modelling and forecasting of hydrological sys-tems in different studies. These modelling techniques are majorly categorized into two namely, process-based and ...
  • A review on research and development of green composites from plant protein-based polymers 

    Jagadeesh, Dani; Kanny, Krishnan; Prashantha, K. (Wiley Online Libraryhttp://onlinelibrary.wiley.com/wol1/doi/10.1002/pc.23718/abstract, 2015-07-29)
    Depletion of petroleum resources, together with increasing environmental concerns, calls for new solutions for many of our needs such as fuels, heating, materials, technical oils, and so on. Because of the ubiquitous use ...
  • Review on the lime-soil stabilization as one of the successful technologies used in the improvement of road-soil-pavement layers strength 

    Bhengu, P.H.; Allopi, Dhiren (Southern African Transport Conference, 2016)
    In general terms, transport infrastructure by definition describes the framework that supports our transport system. This includes, railways, sea-ports, airports and, in particular road pavements. In South Africa, the South ...
  • The role of spatial development frameworks in transformation of the eThekwini Municipality, KwaZulu-Natal, South Africa : reflecting on 20 years of planning 

    Musvoto, Godfrey; Lincoln, Gilberte Marie; Hansmann, Robynne Jean (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 ...
  • A secured access control architecture consideration for PLC based smart grids 

    Mooketsio, Thsepiso; Nleya, Bakhe; Dewa, Mendon; Mutsvangwa, Andrew (SATNAChttp://www.satnac.org.za/proceedings/2015/SATNAC%202015%20Proceedings.pdf, 2015)
    Abstract—Power supply, distribution and generation industry is now turning the existing electrical grids to smart grids, thus making them more efficient in both effective power management and reliability, reduced production ...
  • Secured smart grid network for Advanced Metering Infrastructure (AMI) 

    Khumalo, Zephania Philani; Nleya, Bakhe (SAIIE, 2016-02)
    Smart Grids are generally modern electric power network technology systems used by power utility to optimise the efficiency of power supply. While it is good practice to introduce Smart Grid technology, the use of digital ...
  • Separation processes for high purity ethanol production 

    Ngema, Peterson Thokozani (2010)
    Globally there is renewed interest in the production of alternate fuels in the form of bioethanol and biodiesel. This is mainly due to the realization that crude oil stocks are limited hence the swing towards more renewable ...
  • A shape control model for piezo-elastic structures based on divergence free electric displacement 

    Kekana, Marino; Tabakov, Pavel Y.; Walker, Mark (Elsevierhttp://dx.doi.org/10.1016/S0020-7683(02)00611-X, 2003)
    A model simulating the effects of the control potential on the static configuration of a piezo-elastic structure is presented. This model is centred on the electric displacement field, which is shown to be divergence free. ...
  • Splitting vacancy voids in the grain boundary region by a post-cascade shock wave 

    Markidonov, A. V.; Starostenkov, M. D.; Tabakov, Pavel Y. (Institute of Problems of Mechanical Engineeringhttp://www.ipme.ru/e-journals/MPM/no_21813/MPM218_06_tabakov.pdf, 2013)
    The structural transformation of vacancy voids in the grain boundary region of the bicrystal under the influence of post-cascade shock waves is studied with the aid of molecular dynamics simulations. It is shown that the ...
  • A static shape control model for piezo-elastic composite structures 

    Kekana, Marino (Elsevierhttp://dx.doi.org/10.1016/S0263-8223(02)00184-8, 2003)
    This study examines an active control model in which the open circuit mode is assumed. A finite element model in which only the displacement field is approximated is developed. The charge–potential relationship is incorporated ...