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Theses and Dissertations (Mechanical and Aeronautical Engineering): Recent submissions
Now showing items 1-20 of 380
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(University of Pretoria, 2024-08)Concentrating solar power technologies can be applied to reduce the cost and carbon footprint of zinc melting processes. This study aims to improve the knowledge related to small-scale solar melting using a dish concentrator. ...
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(University of Pretoria, 2024)The increasing popularity of SUVs in the global market has led to a corresponding increase in accidents and fatalities associated with these vehicles, particularly rollovers. Such incidents have raised concerns about the ...
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(University of Pretoria, 2024-07-26)The health and safety of pressure vessels are a concern in the power, chemical, petrochemical, and other industries handling gases or liquids at high temperatures. The content of a pressure vessel usually is at a substantially ...
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(University of Pretoria, 2024-07-25)Concentrating solar power (CSP) is a growing method of harnessing energy from the sun for generating electricity and process heat, especially in South Africa which boasts one of the most plentiful solar resources globally. ...
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(University of Pretoria, 2024-05)Mining is still an important industry in South Africa. Traditional mining methods involving drilling and blasting have steadily been replaced by mechanised mining systems in soft rock environments but not in hard rock ...
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(University of Pretoria, 2024-05)Large rotating structures such as wind turbine blades require specialized measurement techniques for the purpose of online condition monitoring and assessment. Contact transducers such as accelerometers and strain gauges ...
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(University of Pretoria, 2023-11-07)Vibrating screens form an integral part in the processing of bulk materials. The major components of a vibrating screen are purposefully designed and selected to contribute to the operational parameters required. The ...
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(University of Pretoria, 2020-12)Learning rate schedule parameters remain some of the most sensitive hyperparameters in machine learning, as well as being challenging to resolve, in particular when mini-batch subsampling is considered. Mini-batch sub-sampling ...
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(University of Pretoria, 2020-02)A literature study was performed on the inner mechanisms of nanofluids and flow in microchannels. With ever changing technology, the need for smaller and more efficient devices has come about in the last couple of years. ...
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The shape optimisation of compliant structures to produce a desired snap-through load-placement path (University of Pretoria, 2023)The research problem completed in this thesis is to develop an efficient procedure to design the optimal shape of compliant mechanisms for specified load-deflection paths and snap-through behaviour. Here, computationally ...
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(University of Pretoria, 2023)The railway industry wants to obtain structural welded joints that have optimum weld strength and fatigue life. Since the variance of welding parameters producing welding defects and weak structural integrity, there are ...
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(University of Pretoria, 2023)Refrigeration tube manufacturers commercially produce micro-enhanced tubes for the refrigeration industry with the aim to enhance outside heat transfer coefficients. A new engagement on commercially micro-enhanced tubes ...
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(University of Pretoria, 2023)Geometric and aerodynamic properties of various avian species allow engineers and biologists to gain valuable insight into the evolutionary honing of the capabilities of natural flyers. Very little research has been done ...
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(University of Pretoria, 2023)Numerous studies experimentally investigated the heat transfer and pressure drop characteristics of laminar, transitional, quasi-turbulent, and turbulent flow through smooth tubes, however, studies that investigate the ...
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(University of Pretoria, 2023)Thermal management of densely packed chips is critical for developing prevailing chips. For years, conventional air-cooling techniques have been utilised for numerous microsystems where fans and heat sinks were used in ...
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(University of Pretoria, 2022)Complex systems are commonly encountered in engineering. Such systems have a degree of unpredictability, which can lead to undesirable results. The digital twin concept has been proposed as a method to obtain more information ...
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(University of Pretoria, 2022)The Bekker‐Wong soil‐wheel interaction model has been widely adopted in the terramechanics field. This model traditionally requires the soil to be characterised using a Bevameter, which entails performing in situ plate ...
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(University of Pretoria, 2022)Historical failure datasets for critical assets are rarely available. This makes it difficult to integrate condition monitoring techniques found in literature into industry, as these techniques are often either equipment-specific ...
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(University of Pretoria, 2023)Polymer-clay composites have applications in numerous sectors such as packaging, automotive manufacturing and agriculture. A primary focus of polymer composite research is to improve the performance of these composites ...
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(University of Pretoria, 2022)An experimental study was done to investigate the heat transfer characteristics of simultaneously hydrodynamically and thermally developing laminar flow of water through a horizontal tube, which was submerged in boiling ...
Now showing items 1-20 of 380