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Browsing Mechanical and Aeronautical Engineering by Type "Thesis"
Now showing items 1-20 of 73
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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, 2014)Diagnostics and prognostics in rotating machinery is a subject of much on-going research. There are three approaches to diagnostics and prognostics. These include experience-based approaches, data-driven techniques and ...
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(University of Pretoria, 2014)Iterative learning control (ILC) is a repetitive control scheme that uses a learning capability to improve the tracking accuracy of a desired test system output over repeated test trials. ILC is sometimes used in response ...
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(University of Pretoria, 2019)Elevated inlet temperature is desirable in turbine passages. This is not without a whole lot of aerodynamic loss, endwall thermal stresses consequences and pressure loss penalties most especially downstream of the turbine ...
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(University of Pretoria, 2010-09-13)The on-line condition monitoring of turbomachinery blades is of utmost importance to ensure the long term health and availability of such machines and as such has been an area of study since the late 1960s. As a result a ...
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(University of Pretoria, 2010)This study proposes novel optimization methodologies for the optimization of problems that reveal non-physical step discontinuities. More specifically, it is proposed to use gradient-only techniques that do not use any ...
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(University of Pretoria, 2011-10-17)Conventional rotating machine vibration monitoring techniques are based on the assumption that changes in the measured structural response are caused by deterioration in the condition of the rotating machine. However, due ...
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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, 2015)Understanding the dynamic behavior of particulate materials is extremely important to many industrial processes with a wide range of applications ranging from hopper flows in agriculture to tumbling mills in the mining ...
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(University of Pretoria, 2016)This thesis was aimed developing a fundamental understanding of the boundary layer response to arbitrary motion. In this context arbitrary motion was defined as the unsteady translation and rotation of an object. Research ...
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(University of Pretoria, 2019)South Africa is plagued by rolling blackouts, and many citizens do not have access to electricity or clean water. A personalised micro-turbine power generation system presents a solution to this issue and may become as ...
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(University of Pretoria, 2008-06-20)Please read the abstract in the section, 00front, of this document Please note that the Compact disc with Vehsim2d (demonstration version) (Appendix B) is not included
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(University of Pretoria, 2019)Condensation has been extensively investigated from as early as 1914. However, there are several gaps in the literature, especially for in tube condensation at low mass fluxes and inclined tubes. Until now, no study has ...
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(University of Pretoria, 2005)Conventional gearbox vibration monitoring techniques are based on the assumption that changes in the measured structural response are caused by deterioration in the condition of the gears in the gearbox. However, this ...
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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, 2018)All forces acting on a road vehicle are either generated in the tyre-road interface or are due to aerodynamic effects, where at low speeds the latter can be ignored. The accuracy of the tyre model, describing the forces ...
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(University of Pretoria, 2006-11-01)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2016)The Finite Element Method is a powerful tool that can be used to test, improve or better understand an industrially relevant problem. There are numerous Finite Element Analysis (FEA) software packages that operate either ...
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(University of Pretoria, 2006-09-23)Vibrating machinery like rock drills and compactors are becoming more prominent in modem industry. The vibrations of these machines can damage surrounding structures and foundations and be harmful to their operators. Hand ...
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(University of Pretoria, 2006-10-12)Please read the abstract (Summary) in the 00front part of this document
Now showing items 1-20 of 73