Now showing items 15-34 of 70

  • Design optimization of anisotropic pressure vessels with manufacturing uncertainties accounted for 

    Tabakov, Pavel Y.; Walker, Mark (Elsevier, 2013-04)
    Accurate optimal design solutions for most engineering structures present considerable difficulties due to the complexity and multi-modality of the functional design space. The situation is made even more complex when ...
  • Designing environmentally sound engineering solutions on infrastructure projects 

    Saroop, Shian Hemraj; Allopi, Dhiren (World Academy of Research and Publication, 2013-12)
    There is a growing complexity of infrastructure planning and the need for coordination of design and environmental requirements. The lack of appropriate tools and skills for sustainable Infrastructure design is often seen ...
  • Determining the best BRT for eThekwini 

    Adewumi, Emmanuel Olusegun; Allopi, Dhiren (3S Media, 2014-06)
    BRT systems are fast becoming part of the South African urban landscape. In the first part of this two-part article, the authors set about defining BRT systems, looking at their history and examining configurations, factors ...
  • Development and evaluation of woven fabric microfiltration membranes impregnated with silver nanoparticles for potable water treatment 

    Mecha, C.A.; Pillay, Visvanathan Lingamurti (Elsevier, 2014-02-06)
    Access to clean and safe drinking water is a fundamental human need, which is commonly lacking in remote rural areas. A simple gravity-fed water treatment unit was developed based on woven fabric microfiltration (WFMF) ...
  • Difference of hydrodynamics for a VPE with and without mass transfer and effect of agitation level on extent of mass transfer 

    Rathilal, Sudesh; Carsky, M.; Heyberger, A.; Rouskova, M. (The South African Journal of Chemical Engineers (SAJChE), 2013-12-29)
    Liquid-liquid extraction offers an alternative separation technique, other than distillation, that uses a solvent for the separation of liquid constituents (Pratt, 1983). The vibrating plate extractor (VPE) is a mechanically ...
  • Eco-efficient criteria : sustainability 

    Saroop, Shian Hemraj; Allopi, Dhiren (3S Media, 2014-04)
    There is an urgent need to apply cost-effective technologies and methods that deliver better and more sustainable performances.
  • Effect of nanoclay in HDPE–glass fiber composites on processing, structure, and properties 

    Mohan, T. P.; Kanny, Krishnan (Taylor and Francis, 2012-10-23)
    Natural Na+ montmorillonite (MMT) microclay and organo-treated MMT nanoclay were independently filled in a high-density polyethylene (HDPE) polymer and HDPE–glass fiber (GF) composite and the rheological and mechanical ...
  • Evaluation of combined Pareto multiobjective differential evolution on tuneable problems 

    Adeyemo, Josiah; Olofintoye, O.O. (SIMM, 2014)
    Many optimization problems in engineering involve the satisfaction of multiple objectives within the limits of certain constraints. Methods of evolutionary multi-objective algorithms (EMOAs) have been proposed and ...
  • Hybrid motion detection system using DSP and ANN ensembles 

    Moorgas, Kevin Emanuel; Govender, Poobalan (IMECS, 2013-03)
    Hybrid systems are used in engineering systems and scientific applications to enhance and to improve their efficiency. This paper presents a hybrid system using digital signal processing (DSP) systems and artificial neural ...
  • Influence of effluent type on the performance of chitosan as a coagulant 

    Pambi, Ritha-Lorette Luti; Musonge, Paul (Akshar Publications, 2014)
    The use of chitosan as a bio-polymeric coagulant has continued to attract interest in water treatment due to its biodegradability and non-toxicity. Its ability to treat effluents of high organic content has been investigated ...
  • Influence of high content fly ash on concrete durability 

    Allopi, Dhiren; Zulu, Sabelo (IJEIT, 2014-01)
    Abstract - The use of fly ash products by the South African cement and construction industries has saved the country over 6 million tons of harmful greenhouse gas emissions. Fly ash is an industrial by-product that is ...
  • Infrared heating assisted thermoforming of polypropylene clay nanocomposites 

    Mohan, T. P.; Kanny, Krishnan (Springer-VerlagDOI 10.1007/s12289-014-1183-x, 2014-06-18)
    The objective of this work is to study the influence of nanoclay addition in PP sheet during infrared (IR) heating assisted thermoforming process. The effect of nanoclay on viscoelastic, friction and dimensional characteristics ...
  • The innovation landscape of South Africa under new intellectual property management policy 

    Simelane, Thokozani (Innovation Summit, 2013)
    The new intellectual property (IP) policy currently under development by the Department of Trade and Industry will likely define the future innovation landscape in South Africa. This is in line with the direction the country ...
  • An investigation into causes of poor performance in a final level course in Mechanical Engineering 

    Graham, Bruce Robert; Walker, Mark (SASEE, 2013-06)
  • Lay-up optimization of multilayered anisotropic cylinders based on a 3-D elasticity solution 

    Tabakov, Pavel Y.; Summers, E. B. (Elsevier, 2006)
    Exact elasticity solutions are obtained using the stress function approach, where the radial, circumferential and shear stresses are determined, taking into account the closed ends of the cylindrical shell. The system of ...
  • Machinability study of hybrid nanoclay-glass fibre reinforced polyester composites 

    Prabhu, P.; Jawahar, P.; Balasubramanian, M.; Mohan, T. P. (, 2013)
    Glass fibre reinforced polyester composites (GRP) and hybrid nanoclay and glass fibre reinforced polyester nanocomposites (CGRP) are fabricated by vacuum assisted resin infusion technique. The optimum mechanical properties ...
  • Markers of hydration status in a 3-day trail running event 

    Singh, Navin Runjit; Peters, Edith M. (Lippincott, Williams & Wilkins, 2013)
    Objective: To examine the relationships between changes in static prestage and poststage measures of commonly used hematological and urinary markers of hydration status and body mass (BM) in participants in a 3-day trail ...
  • Melt blend studies of nanoclay-filled polypropylene (PP)–high- density polyethylene (HDPE) composites 

    Mohan, T. P.; Kanny, Krishnan (Springer, 2013)
    The objective of this work is to study how the rheological factors of unfilled and nanoclay-filled HDPE– PP blend series influence the structure, morphology, and mixing characteristics. For this study, a series of HDPE–PP ...
  • Membrane fouling characterization in membrane-based septic tank 

    Ali, Saadat; Pillay, Visvanathan Lingamurti; Khan, Sher Jamal; Visvanathan, C. (Taylor and Francis, 2013-04-15)
    Septic tank is a conventional on-site wastewater disposal system providing only primary treatment (settlement of solids), while offering little biological degradation. To further improve the quality of treated water, the ...
  • A method for optimally designing laminated plates subject to fatigue loads for minimum weight using a cumulative damage constraint 

    Walker, Mark (Elsevier, 2000)
    A procedure to optimally design laminated plates for a specific cyclic life using a cumulative damage constraint is described. The objective is minimum weight, and the design variables are the fiber orientation, and the ...