• The performance and simulation of spark ignition engine employing an aftermarket engine control unit 

      Brink, Andre Daniel (Stellenbosch : Stellenbosch University, 2019-04)
      ENGLISH ABSTRACT: This thesis discusses the development and upgrade of an internal combustion spark-ignition engine test cell. Existing test cell equipment was upgraded and additional sensors were installed onto the engine. ...
    • Performance and thermo-mechanical cost evaluation of API 661 air-cooled heat exchangers 

      Ackers, Mogamat Sadley (Stellenbosch : Stellenbosch University, 2012-12)
      ENGLISH ABSTRACT: The optimal design of a heat exchanger for a specified heat transfer, pressure drop and set of ambient conditions entails minimising space, weight, material usage and overall cost. However, the variables ...
    • Performance characterisation of a seperated heat-pipe-heat-recovery-heat-exchanger for the food drying industry 

      Thomas, Nathan Shane (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT: In light of the ever increasing demand for energy efficiency, waste heat recovery has become an important engineering design consideration. Heat-pipe-Heat-Exchangers (HPHE’s) are waste-heat-recovery-units ...
    • Performance characteristics of an air-cooled steam condenser incorporating a hybrid (dry/wet) dephlegmator 

      Heyns, Johan Adam (Stellenbosch : Stellenbosch University, 2008-12)
      This study evaluates the performance characteristics of a power plant incorporating a steam turbine and a direct air-cooled dry/wet condenser operating at different ambient temperatures. The proposed cooling system uses ...
    • Performance characteristics of hybrid cooling towers 

      Oosthuizen, Pieter Cornelis (Stellenbosch : Stellenbosch University, 1995-09)
      ENGLISH ABSTRACT: Different wet/dry and dry/wet cooling tower configurations are investigated and the advantages and disadvantages of separate and combined (hybrid) configurations are discussed. Some existing hybrid ...
    • Performance characteristics of packed bed thermal energy storage for solar thermal power plants 

      Allen, Kenneth Guy (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: Solar energy is by far the greatest energy resource available to generate power. One of the difficulties of using solar energy is that it is not available 24 hours per day - some form of storage is ...
    • Performance evaluation of a hybrid (dry/wet) cooling system 

      Graaff, Andre Hendri (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: The performance of a hybrid (dry/wet) cooling system (HDWCS) is investigated. The HDWCS aims to compete with dry cooling systems with added performance stability during hot ambient periods. The system ...
    • Performance evaluation of a micro gas turbine centrifugal compressor diffuser 

      Krige, David Schabort (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: Micro gas turbines used in the aerospace industry require high performance with a compact frontal area. These micro gas turbines are often considered unattractive and at times impractical due to their ...
    • Performance evaluation of a solar chimney power plant 

      Hedderwick, Richard Anthony (Stellenbosch : University of Stellenbosch, 2000-12)
      A solar chimney power plant consists of a central chimney that is surrounded by a transparent canopy located a few meters above ground level. The ground beneath this canopy or collector as it is known is heated by the ...
    • Performance evaluation of air-cooled heat exchangers 

      Makhema, Thabo (Stellenbosch : Stellenbosch University, 2000-12)
      ENGLISH ABSTRACT: The main objective of this study to determine the air-side heat transfer and pressure drop performance characteristics of commercially available round and elliptical fined tubes. A . computer code to ...
    • Performance evaluation of water collecting systems with a hybrid dephlegmator 

      Du Plessis, Jacques J. P. (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Water collection systems are used in wet-cooling towers (WCTs) with fill over which water to be cooled flows and in evaporative air-cooled heat exchangers (EACHEs) having deluged tube bundles over which ...
    • Performance evaluation of wet-cooling tower fills with computational fluid dynamics 

      Gudmundsson, Yngvi (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: A wet-cooling tower fill performance evaluation model developed by Reuter is derived in Cartesian coordinates for a rectangular cooling tower and compared to cross- and counterflow Merkel, e-NTU and Poppe ...
    • Performance improvement of the Rover 1S/60 Gas Turbine Compressor 

      Luiten, Ruben Vincent (Stellenbosch : Stellenbosch University, 2015-03)
      ENGLISH ABSTRACT: The use of gas turbines in central receiver solar power plant cycles has become an increasingly popular research topic. This has led to the need to investigate and analyse the effect of the solar receiver ...
    • Performance investigation of a turbocharger compressor 

      De Wet, Andrew Louis (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Stellenbosch University participated in a project to re-design the compressor section of a diesel locomotive turbocharger. Tests conducted on the prototype compressor showed possible rotating stall in ...
    • Performance modelling, validation and operational feasibility of a parabolic trough power plant. 

      Barnes, Reece Christian (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: Currently, the most developed commercial Concentrating Solar Power (CSP) technology in operation is the parabolic trough power plant (PTPP) technology. This is due to more than thirty years of experience, ...
    • Performance of a parabolic trough solar collector 

      Brooks, Michael John (Stellenbosch : University of Stellenbosch, 2005-03)
      Parabolic trough solar collectors (PTSCs) constitute a proven source of thermal energy for industrial process heat and power generation, although their implementation has been strongly influenced by economics. In recent ...
    • Performance of a solar air heater incorporating thermal storage 

      Lombaard, Francois (Stellenbosch : Stellenbosch University, 2002-12)
      ENGLISH ABSTRACT: In the present study, research was conducted to determine the feasibility of water energy storage through which the output of heated air by an upward facing solar air heater could be prolonged. Following ...
    • The performance of an axial flow fan in a small scale A-frame test facility. 

      Bock, Raoul Dimitri (Stellenbosch : Stellenbosch University, 2017-12)
      ENGLISH ABSTRACT: This thesis investigated the performance of the B2 axial flow fan at different operating points and at two fan speeds in an A-frame configuration. For this purpose, a test facility consisting of a forced ...
    • Performance of an axial flow helium compressor under high through-flow conditions 

      De Wet, Christiaan Louis (Stellenbosch : University of Stellenbosch, 2010-03)
      ENGLISH ABSTRACT: The purpose of this investigation is to determine the performance of an axial ow compressor operating in a closed loop helium cycle under high through- ow conditions. The GTHTR300 four-stage helium ...
    • Performance testing of an axial flow fan in an A-frame test facility 

      Van Eck, Johannes (Stellenbosch : Stellenbosch University, 2019-04)
      ENGLISH ABSTRACT: The primary objective of this research and experimental investigation is to determine the performance of an axial flow fan in an A-frame test facility. Commissioning of the A-frame test facility required ...