Browsing Masters Degrees (Mechanical and Mechatronic Engineering) by Title

Now showing items 171-190 of 361

    • 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 ...

    • Helicopter tail boom vibration analysis and suppression 

      Funnell, M. E. (Marc Edwin) (Stellenbosch : Stellenbosch University, 2002-04)
      ENGLISH ABSTRACT: An experimental investigation was conducted usmg a cantilever beam to illustrate an understanding of vibration techniques and phenomena. The [Tee and forced vibration of the cantilever beam was ...

    • Heliostat cost reduction for power tower plants. 

      Pidaparthi, Arvind Sastry (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: Heliostats typically contribute to about 40 % of the total installed costs in a concentrated solar power (CSP) tower plant. The objective of this study is to investigate the effects of heliostat size on ...

    • 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 ...

    • Heliostat field layout optimization for a central receiver 

      Lutchman, Shanley Lawrence (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: There are two methods generally used for heliostat field layout optimization: the field growth method and the pattern method. A third, less commonly used method also exists: the free variable method. ...

    • High accuracy numerical model of the SALT mirror support truss 

      De Lange, Billy (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Although a numerical model of the mirror support truss of the Southern African Large Telescope (SALT) has already been developed during the design thereof, this thesis focuses on the development of the ...

    • 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 ...

    • Hydration sensor development for use on infants in underserved areas 

      Kieser, Eduard (Stellenbosch : Stellenbosch University, 2015-12)
      ENGLISH ABSTRACT: To treat dehydration in infants a good measure of dehydration level is required. Clinical hydration scales are the standard for assessing hydration upon first examination. These scales rely on the training ...

    • A hydraulic wave energy converter 

      Du Plessis, Jacques (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: As a renewable energy source, wave energy has the potential to contribute to the increasing global demand for power. In South Africa specifically, the country’s energy needs may easily be satisfied by ...

    • 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 ...

    • IEC 61131-3-based control of a reconfigurable manufacturing subsystem 

      Hoffman, Albert Jakobus (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: The South African industry has an increasing need for manufacturing automation. However, the classical form of automation is not cost effective for the low volumes and high variance of products that are ...

    • The impact of wave slamming indused vibration on human factors and equipment on board the SA Agulhas II 

      Omer, Hamza (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: An investigation of wave slamming phenomenon was performed in the context of human factors on-board the S.A. Agulhas II, a South African Polar Supply and Research Vessel. Full scale vibration measurements ...

    • Impact response of a continuous fibre reinforced thermoplastic from a soft bodied projectile 

      Van der Westhuizen, Artho Otto (Stellenbosch : Stellenbosch University, 2013-03)
      AFRIKAANSE OPSOMMING: Saamgestelde materiale het baie gewilde materiale in die lugvaart- en motor industrië geword as gevolg van die gewigsbesparende voordele wat dit inhou. Kostes en ander verwerkingsprobleme het ...

    • An improved device to measure human response to dorsiflexion and plantar flexion perturbations 

      Gildenhuys, Fourie (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: The Dorsiflexometer is a device designed and built for the assessment of a patient’s balance capabilities. The birth of the Dorsiflexometer is due to a serious need for physiological balance assessment ...

    • Indirect measurement of reactor fuel temperature 

      Oswald, Elbrecht (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: Regulators and designers of nuclear reactors regard knowledge of the pebble fuel temperature as important, due to the role that it plays in maintaining structural integrity and the production of neutrons. ...

    • Influence of geometric and environmental parameters on air-cooled steam condenser performance 

      Joubert, Retief (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: Air-cooled steam condensers (ACSCs) are used in the power generation industry to directly condense turbine exhaust steam in areas where cooling water is expensive or unavailable. Large axial flow fans ...

    • The influence of geometry on dragline bucket filling performance 

      Esterhuyse, Schalk Willem Petrus (Stellenbosch : Stellenbosch University, 1997)
      ENGLISH ABSTRACT: This thesis desc1ibes the procedure followed in order to establish geometry changes to the current lig!1tweight dragline bucket lmilt by Wright Equipment Compan:Y to improve its performance. The bucket ...

    • Influence of powder particle size distribution on press-and-sinter titanium and Ti-6Al-4V preforms 

      Bosman, Hendrik Ludolph (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: This research focusses on the press-and-sinter manufacturing process through which titanium powders are employed to produce dense titanium and the Ti-6Al-4V alloy; more specifically, the influence of ...

    • Inlet and outlet shape design of natural circulation building ventilation systems 

      Swiegers, Jacobus Johannes (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: Increased awareness of environmental problems has awakened interest in renewable energy systems. Natural ventilation systems are especially of interest, as people spend most of their time indoors. Indoor ...

    • Inlet manifold tests and performance evaluation of dephlegmators in air-cooled steam condensers 

      Smit, Leslie van Zyl (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: Measurements on air-cooled reflux steam condensers or dephlegmators at different power plants have shown that sections of these units do not transfer heat effectively over a range of operating conditions. ...