Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 477 for “"Engineering, General."”.
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Bayesian Inference of the Weibull-Pareto Distribution
… topics include survival analysis, reliability engineering, general insurance, electrical engineering, and industrial engineering. The Weibull distribution was further extended by the Weibull-Pareto distribution. A desirable property this distribution has is its shape can skew being able to …
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Performance of Pressure Sensitive Adhesive Tapes In Wood Light-Frame Shear Walls
… CUREE (Consortium of Universities for Earthquake Engineering) general displacement-based protocol. Variables investigated within the main study were the following: the use of OSB versus plywood sheathing, the effect of priming and surface sanding on adhesion, and the comparison of connections …
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Acoustic and non-acoustic performance of coal bottom ash as sound absorptive material for reducing railway noise level
The development of new technology and rapid development in many countries have led to various types of pollution, especially acoustic pollution in urban areas. Furthermore, the huge production of Coal Bottom Ash (CBA) is treated as waste and often placed into impoundment ponds, silos or landfills, …
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The effects of grass and rainfall pattern on the matric suction of acidic soil slopes
Among the mechanism that leads to slope failures are that the matric suction starts to decrease when water infiltrates the soil. Although many studies have been carried out to improve stability of slope, most studies often ignore the influence of matric suction induced by vegetation. Grass can be …
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Solidification, microstructure and mechanical properties of mg-nd-gd-zn-zr cast magnesium alloy with yttrium, erbium and samarium additions
The thesis project an investigation the effect of alloying elements Yttrium, Erbium and Samarium addition on the solidification characteristics, microstructure and mechanical properties of as-cast Mg-Nd-Gd-Zn-Zr magnesium alloy. The future automotive and aerospace industries will experience …
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Development of a Novel Gradient-Force Tapered Fibre Optical Tweezers System for 3D Optical Trapping at Near Horizontal Fibre Insertion Angles
The use of optical fibre as a mechanism for the delivery of the trapping laser beam to the sample chamber significantly reduces both the size and the build costs of “Optical Tweezers”. Furthermore, the use of fibre facilitates the decoupling of the optical trapping beam from the microscope optics, …
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DEVELOPMENT OF LASER MICRO-FABRICATED SURFACES TO ACCELERATE & ENHANCE ENDOTHELIAL CELL ADHESION AND PROLIFERATION
The aim of this thesis was to develop novel indirect laser micro-textured polymer substrates to accelerate and enhance bovine aorta endothelium (BAE-1) cell adhesion and proliferation. The response of BAE-1 and human coronary smooth muscle cells (HCASMCs) were studied, including cell adhesion, …
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Development of A closed Loop Control System for Vibration Assisted Grinding
… additional 9% reduction in grinding forces. In general the grinding with vibration assisted secured a greater depth of cut. The oscillating in Axial direction provided an additional 16 % in actual depth of cut, so Applying oscillating in axial direction showed that a significant improvement of …
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Inverse Modelling of Material Parameters for Rubber-like material: Create a New Methodology of Predicting the Material Parameters using Indentation Bending Test
… have been widely used in industries, such as engineering fields and biomedical fields. The mechanics of membranes and material parameters identification is an important research area. In this work, different inverse FE modelling approaches to extract material parameters (Ogden model) has been …
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Digital Holography and Optical Contouring
Digital holography is a technique for the recording of holograms via CCD/CMOS devices and enables their subsequent numerical reconstruction within computers, thus avoiding the photographic processes that are used in optical holography. This thesis investigates the various techniques which have been …
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Cantilever Dynamic Analysis in Tapping Mode Atomic Force Microscopy
Tapping mode atomic force microscopy (AFM) is becoming popular in the area of biology, as well as for polymer and semiconductor materials science. Unlike other AFM techniques, it only makes intermittent contact with the sample, which largely reduces any potential surface damage to soft materials, …
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A method for the probabilistic method assessment of structures containing defects
This thesis begins by noting that the current safety justification of pressurised water reactor pressure vessels is deterministic. To enable probabilistic structural integrity safety cases of reactor pressure vessels to be carried out, a need for a new analysis of the statistical properties of …
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Comparing the risks of diverse methods of electricity generation using the J-value framework
… is a key parameter in the framework, and general risk models for calculating this parameter are developed in terms of exposures and responses. Specific examples of radiation and pollution models are also presented. The “Hazard Elimination Premium” is also introduced as a useful common …
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Characterisation of silicon photonics devices
Silicon based integrated circuits has been dominating the electronics technology industry in the last few decades. As the telecommunications and the computing industry slowly converges together, the need for a material to build photonics integrated circuits (PIC) that can be cost-effective and be …
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Hydrodynamic behaviour of gliding hydrofoil crafts
A new type of high-speed craft, called a Gliding-Hydrofoil Craft (GHC), has recently been developed in Jiangsu University of Science and Technology, China. This craft is similar to a planing hull but with a hydrofoil in the front part of its body. The fixed hydrofoil improves the seakeeping …
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The probabilistic assessment of small homogeneous UK earthfill dams affected by climate change; Precipitation
… effects could have on the notional level of engineering risk associated with slope failure is also identified. Hence, the dam’s risk, as categorized by the Flood and Water Management Act 2010, can be reassessed in terms of engineering risk. From the results obtained using APSMP a more …
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Application of cybernetic models in the study of safety and economics of nuclear power systems and other high risk organizations: A study of nuclear power and high risk organizations to understand the central role of management in the safety and economics of these operations
… in the nuclear industry and to cover the more general case of HROs, accidents affecting other industries were also considered. Based upon the accident investigations and from the study of human behavior, insights were developed related to characteristics of both managers and operations …
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Graph-theoretic channel modeling and topology control protocols for wireless sensor networks
This report addresses two different research problems: (i) It presents a wireless channel model that reduces the complexity associated with high order Markov chains; and (ii) presents energy efficient topology control protocols which provide reliability while maintaining the topology in an energy …
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