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Theses and Dissertations (Mechanical and Aeronautical Engineering): Recent submissions
Now showing items 261-280 of 380
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(University of Pretoria, 2011-11-21)High speed cornering of an off-road vehicle poses considerable challenges to the development of an autonomous vehicle due to the non-linear dynamics of the tyre road interface as well as those of the vehicle as a whole ...
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(University of Pretoria, 2006-11-16)This study aims to evaluate the use of mathematical optimisation algorithms for the optimisation of a vehicle’s spring and damper characteristics, with respect to ride comfort and handling. Traditionally the design of a ...
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(University of Pretoria, 2007-12-19)In modern times continuous casting is the preferred way to convert molten steel into solid forms to enable further processing. At Columbus Stainless the continuous casting machine cast slabs of constant thickness with ...
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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, 2006-11-01)It is standard practice in one-dimensional gasdynamic simulations of high performance two-stroke engines to model the exhaust tail pipe entry as an area change using an algorithm similar to the area change of the reverse ...
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(University of Pretoria, 2002)Underground pipelines are used in various process piping systems to transport gasses or fluids and are usually subjected to the effects of external corrosion. Corrosion can be defined as the deterioration of a material due ...
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(University of Pretoria, 2006-11-01)This thesis deals with the mathematical idealization denoted cellular automata (CA) and the applicability of this method to structural mechanics. When using CA, all aspects such as space and time are discrete. This discrete ...
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(University of Pretoria, 2007-11-27)Analysis of reliability data plays an important role in the maintenance decision making process. The accurate estimation of residual life in components and systems can be a great asset when planning the preventive replacement ...
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(University of Pretoria, 2007-11-26)Today, Sport Utility Vehicles are marketed as both on-road and off-road vehicles. This results in a compromise when designing the suspension of the vehicle. If the suspension characteristics are fixed, the vehicle cannot ...
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(University of Pretoria, 2007-11-26)The steering arrangement of a 6x6 off-road military vehicle was investigated, with the aim to determine if a variable steering ratio between the first and second steering axle of the vehicle will make an improvement in the ...
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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, 2006-10-12)Please read the abstract (Summary) in the 00front part of this document
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(University of Pretoria, 2006-10-07)The demand for higher quality steel and higher production rates in the production of steel slabs is ever increasing. These slabs are produced using a continuous casting process. The molten steel flow patterns inside the ...
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(University of Pretoria, 2011)Due to constraints and changes in operating conditions, heat exchangers are often forced to operate under conditions of transitional flow. However, the heat transfer and flow behaviour in this regime is relatively unknown. ...
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(University of Pretoria, 2011-10-18)Deforming a complex generic shape into a representation of another complex shape is investigated. An initial study is done on the effect of cranial shape variation on masticatory induced stress. A finite element analysis ...
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(University of Pretoria, 2011-10-18)Airborne dust and methane are common problems in the underground coalmines. They pose health and safety risk to mining personnel, and a safety risk to mining equipment as well. In order to prevent these risks air borne ...
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(University of Pretoria, 2011-10-21)Large air-cooled heat exchangers (ACHEs) are most popularly implemented in the petrochemical and power industries at arid locations. They operate on a simple concept of convective heat transfer, whereby air in the surrounding ...
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(University of Pretoria, 2011-10-21)The geometry of the receiver and recuperator in a small-scale open and direct recuperative solar thermal Brayton cycle can be optimised in such a way that the system produces maximum net power output. The purpose of this ...
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(University of Pretoria, 2011-10-04)Free-surface modelling (FSM) is a highly relevant and computationally intensive area of study in modern computational fluid dynamics. The Elemental software suite currently under development offers FSMcapability, and employs ...
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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 ...
Now showing items 261-280 of 380