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  • Topology optimisation and simultaneous analysis and design : material penalisation and local stress constraints 

    Munro, Dirk Pieter (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: We investigate the simultaneous analysis and design (SAND) formulation of the topology optimisation problem. The characteristics of the formulation are presented considering the simple compliance/weight ...
  • A heliostat field control system 

    Malan, Karel Johan (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The ability of concentrating solar power (CSP) to efficiently store large amounts of energy sets it apart from other renewable energy technologies. However, cost reduction and improved efficiency is ...
  • Pneumatic power measurement of an oscillating water column converter 

    Kooverji, Bavesh (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: A measurement device was developed to accurately determine the pneumatic power performance of an Oscillating Water Column (OWC) model in a wave flume. The analysis of the pneumatic power is significant ...
  • Robocup small size league : active ball handling system 

    Smit, Daniel Gideon Hugo (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The RoboCup offers a research platform to advance robotics and multi-robot cooperation in dynamic environments. This project builds on work previously done to develop a research platform for multi-robot ...
  • Application of laser doppler vibrocardiography for human heart auscultation 

    Koegelenberg, Suretha (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: This thesis investigates the feasibility of the laser Doppler vibrometer (LDV) for use in the autonomous auscultation of the human heart. As a non-contact measurement device, the LDV could become a very ...
  • Experimental evaluation of a low temperature and low pressure turbine 

    Ssebabi, Brian (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The potential benefits from saving energy have driven most industrial processing facilities to pay more attention to reducing energy wastage. Because the industrial sector is the largest user of electricity ...
  • Establishing a new biofuel crop using System Thinking 

    Bartle, Samantha (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: The complexity of adopting a new crop-based biodiesel feedstock into South Africa given the prevailing environmental, economic and social concerns facing the country are addressed in this study by utilising ...
  • Development of an intravenous oxygenator 

    Elson, Wesley De Vere (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Patients in critical care with lung injuries need to be assisted with regards to breathing function, but current methods are not applicable for all situations. The most common method, Extracorporeal ...
  • Thermal and colour data fusion for people detection and tracking 

    Joubert, Pierre (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: In this thesiswe approach the problem of tracking multiple people individually in a video sequence. Automatic object detection and tracking is non-trivial as humans have complex and mostly unpredictable ...
  • Optimal design of Orthotropic Piezoelectric membranes and plates using particle swarms 

    Joubert, Matthew James Stuart (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Over the past 50 years smart materials have made their appearance in many structures. The thermopiezoelectric ceramic is one of these smart materials. When thermal e ects are considered negligible, then ...
  • A subcritical and transcritical carbon dioxide refrigeration system utilizing multiple expansion devices 

    Fourie, Marna (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Carbon dioxide is a natural gas that has been used as a refrigerant as far back as the 1850s. It was then primarily used because it was easily obtainable and non-toxic. Due to the high operating pressure ...
  • The Hybrid Pressurized Air Receiver (HPAR) for combined cycle solar thermal power plants 

    Kretzschmar, Holger (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Concentrating solar power technology is a modern power generation technology in which central receiver systems play a significant role. For this technology a field of heliostats is used to reflect solar ...
  • Identifying the optimum storage capacity for a 100-MWe concentrating solar power plant in South Africa 

    Madaly, Kamalahasen (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Central receiver power plants generate renewable electricity by exploiting the energy provided by the sun. The conditions experienced in the Northern Cape region of South Africa provide the ideal ...
  • Simulation and control implications of a high-temperature modular reactor (HTMR) cogeneration plant 

    Tshamala, Mubenga Carl (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Traditionally nuclear reactor power plants have been optimised for electrical power generation only. In the light of the ever-rising cost of dwindling fossil fuel resources as well the global polluting ...
  • The development and verification of a centrifugal compressor test bench 

    Struwig, Daniel Johannes (Stellenbosch : Stellenbosch University, 2014-04)
    ENGLISH ABSTRACT: Turbomachinery plays an important role in the efficiency of power generation and combustion processes used in the automotive and aerospace industries. The potential for fulfilling future energy needs has ...
  • Development of tailorable mechanical design support software 

    Van Der Merwe, Ruan (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: A wide variety of design methodologies exist in literature and the methodologies employed may differ among companies and even among design teams. Therefore a software tool, called DiDeas II, is being ...
  • Prediction of axial compressor blade vibration by modelling fluid-structure interaction 

    Brandsen, Jacobus Daniel (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: The Council for Scientific and Industrial Research has developed a vibration excitation system. The system is designed to excite the rotor blades of an axial compressor in the specified vibration mode ...
  • Control of a conveyor system for a reconfigurable manufacturing cell 

    Le Roux, Anro (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: This work entails a study of the control software of transportation systems for use in recon gurable manufacturing systems (RMSs). Various control approaches are considered, with the focus on enhancing ...
  • Grey water reclamation utilising solar thermal energy 

    Hartwig, Gerhard Rudolf (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: The objective of this research was to obtain clean drinkable water from treated sewage effluent by using a solar-powered distillation cycle. Technologies and concepts were borrowed from the solar ...
  • Thermal performance evaluation of artificial protective coatings applied to steam surface condenser tubes 

    Goodenough, John L. (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: The coating thermal conductivity, the effective coated-tube thermal conductivity and the coating factor of three artificial protective coatings (APCs) applied to condenser tubes are experimentally ...