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Theses and Dissertations (Mechanical and Aeronautical Engineering): Recent submissions
Now showing items 141-160 of 380
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(University of Pretoria, 2017)With an increasing need for accurate full vehicle models, a sensitivity analysis of the modelling of tyres depending on their age and wear was conducted. This included a sensitivity analysis into the accuracy of acquiring ...
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(University of Pretoria, 2017)This aim of this project may be condensed to the following question: Is there an improvement achievable in the braking performance of a vehicle on a rough road? Several follow-up questions arise from the above problem ...
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(University of Pretoria, 2016)Experimental investigations of high temperature industrial processes, for example the melting and smelting processes taking place inside furnaces, are complicated by the high temperatures and the chemically reactive ...
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(University of Pretoria, 2017)The focus of the world is on the reduction of greenhouse gases, such as carbon dioxide, which contribute to the global warming currently experienced. Because most of the carbon dioxide emitted into the atmosphere is from ...
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(University of Pretoria, 2016)Sport utility vehicles typically feature high ground clearances that allow them to be used in off-road conditions. Their use is not limited to off-road conditions and they are often used as day-to-day family vehicles. On ...
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(University of Pretoria, 2017)This dissertation describes research and experimental work done to improve the accuracy and applicability of capacitive sensors which are used to evaluate the mass flow rate of solid material within pneumatic conveying ...
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Development and comparison of strategies for the reconstruction of full and partial skull geometries (University of Pretoria, 2016)This thesis presents the development and comparison of strategies for the reconstruction of full and partial surface mesh based skull geometries. The intended application is to aid the South African Police Service Victim ...
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(University of Pretoria, 2016)Condition monitoring is very important for critical assets such as gearboxes used in the power and mining industries. Fluctuating operating conditions are inevitable for wind turbines and mining machines such as bucket ...
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(University of Pretoria, 2016)Tube-in-tube heat exchangers are commonly used in many applications and are generally operated in a counterflow configuration. Unfortunately, existing correlations developed for heat transfer and pressure drop predictions ...
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(University of Pretoria, 2016)The inception of this study lies in mankind's need for energy in order to drive commerce, industry and development. Although several sources have been exploited in the production of energy, it is the personal opinion of ...
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(University of Pretoria, 2016)Widespread uncertainty exists regarding the ideal replacement time of installed feedwater heaters in coal fired power plants. Eskom consequently identified the need for this research project to find the optimal age at which ...
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(University of Pretoria, 2016)This Master of Engineering investigation focuses on the natural convection of nanofluids in rectangular cavities. The governing equations applied to analyse the heat transfer and fluid flow occurring within the cavity are ...
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(University of Pretoria, 2016)The ability of coated particles of enriched uranium dioxide (UO2) fuel to withstand high temperatures and contain the fission products in the case of a loss of cooling event is a vital passive safety measure over traditional ...
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(University of Pretoria, 2016)These days, the cooling of new generation electronic servers is a challenge due to the immense heat generated by them. In order to avoid overheating caused by the important rise in temperature appropriate cooling procedures ...
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(University of Pretoria, 2017)Solar energy is one of a very few low-carbon energy technologies with the enormous potential to grow to a large scale. Currently, solar power is generated via the photovoltaic (PV) and concentrating solar power (CSP) ...
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(University of Pretoria, 2017)An enormous and urgent energy demand is predicted due to the growing global population, increase in power intensive industries, higher living standards, electrification of remote areas, and globalisation (transportation). ...
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(University of Pretoria, 2016)Choosing correct boundary conditions, flow field characteristics and employing right thermal fluid properties can affect the simulation of convection heat transfer using nanofluids. Nanofluids have shown higher heat ...
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(University of Pretoria, 2016)Microchannels and micro pin fins have been employed for almost four decades in the cooling of microelectronic devices and research is still being done in this field to improve the thermal performance of these micro heat ...
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(University of Pretoria, 2016)A great deal of work has been conducted on in-tube condensation in horizontal and vertical smooth tubes. The available literature points to mechanisms governing two-phase condensation heat transfer coefficients and pressure ...
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(University of Pretoria, 2017)Several applications, including those in the energy sector that require high thermal efficiency, such as those in the solar energy industry, require a careful thermal analysis of heat exchange components. In this regard, ...
Now showing items 141-160 of 380