African University of Science and Technology: Recent submissions
Now showing items 861-880 of 4824
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Design of robust service operations using cybernetic principles and simulation
(2012-05)Information flows in a service organisation allow business units to co-ordinate their response to changes in the operating environment. Processes and interactions can be designed so that the right information flows to the ...
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Guessing human-chosen secrets
(University of CambridgeFaculty of Computer Science and TechnologyComputer Laboratory, 2012-06-12)Authenticating humans to computers remains a notable weak point in computer security despite decades of effort. Although the security research community has explored dozens of proposals for replacing or strengthening ...
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How can PD process modelling be made more useful? An exploration of factors which influence modelling utility
(2010-05)In what sense is PD process modelling useful? and how can the utility of modelling be improved? In this paper, we approach these questions through an analysis of PD process modelling ‘utility’ – which in broad terms we ...
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Brownian motion and multidimensional decision making
(University of CambridgeJudge Business SchoolKing's CollegeElectricity Policy Research Group (EPRG), 2012-05-08)This thesis consists of three self-contained parts, each with its own abstract, body, references and page numbering. Part I, "Potential theory, path integrals and the Laplacian of the indicator", ...
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Forcing of globally unstable jets and flames
(University of CambridgeDepartment of EngineeringEmmanuel CollegeGates Scholar, 2012-04-10)In the analysis of thermoacoustic systems, a flame is usually characterised by the way its heat release responds to acoustic forcing. This response depends on the hydrodynamic stability of the flame. Some flames, such ...
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A biosynthetic approach to the discovery of novel bioactive peptides
(University of CambridgeDepartment of Chemical Engineering and Biotechnology, 2012-05-08)Peptides represent a source of novel therapeutics for recalcitrant human diseases, but screening for bioactivity from natural or synthetic sources can be uneconomic. In contrast, in vivo expression of peptides from DNA ...
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Submarine landslide flows simulation through centrifuge modelling
(University of CambridgeDepartment of Engineering, 2012-05-08)Landslides occur both onshore and offshore. However, little attention has been given to offshore landslides (submarine landslides). Submarine landslides have significant impacts and consequences on offshore and coastal ...
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Exploring a capability-demand interaction model for inclusive design evaluation
(University of CambridgeDepartment of EngineeringEngineering Design Centre, 2012-03-06)Designers are required to evaluate their designs against the needs and capabilities of their target user groups in order to achieve successful, inclusive products. This dissertation presents exploratory research into the ...
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Towards a worldwide storage infrastructure
(University of CambridgeFaculty of Computer Science and TechnologyComputer LaboratoryJesus College, 2012-06-12)Peer-to-peer systems have recently gained a lot of attention in the academic community especially through the design of KBR (Key-Based Routing) algorithms and DHT (Distributed Hash Table)s. On top of these constructs ...
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Simulating intertwined design processes that have similar structures: a case study of a small company that creates made-to-order fashion products
(Inderscience, 2011-01)The authors use simulation to analyse the resource-driven dependencies between concurrent processes used to create customised products in a company. Such processes are uncertain and unique according to the design changes ...
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Redesigning the design process through interactive simulation: A case study of life-cycle engineering in jet engine conceptual design
(Inderscience, 2011-01)Many aerospace companies are currently making the transition to providing fully-integrated product-service offerings in which their products are designed from the outset with life-cycle considerations in mind. Based on ...
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Slum upgrading in India and Kenya: investigating the sustainability
(University of CambridgeDepartment of EngineeringCentre for Sustainable DevelopmentSt Edmund's College, 2012-04-10)Slums are informal housing settlements commonly found in urban areas of developing countries which are characterised by poor shelter, low service provision and lacking in security of tenure. Slums are growing and new slums ...
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Gaussian processes for state space models and change point detection
(University of CambridgeDepartment of Engineering, 2012-02-07)This thesis details several applications of Gaussian processes (GPs) for enhanced time series modeling. We first cover different approaches for using Gaussian processes in time series problems. These are extended to the ...
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Dry-transfer of chemical vapour deposited nanocarbon thin films
(University of CambridgeDepartment of Engineering, 2012-01-10)This thesis presents the development of chemical vapour deposited (CVD) graphene and multi-walled carbon nanotubes (MWCNTs) as enabling technologies for flexible transparent conductors offering enhanced functionality. ...
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Fluid characterisation and drop impact in inkjet printing for organic semiconductor devices
(University of CambridgeDepartment of Engineering, 2011-07-12)An inkjet printer can deposit a very small volume of liquid with high positional accuracy, high speed and low cost. As a maskless, non-contact additive patterning method, inkjet printing technology is increasingly being ...
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Technical Drawings of Cambridge Stratified Swirl Burner (SwB)
(University of Cambridge & Sandia National Laboratories, 2008)
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Polynomial continuation in the design of deployable structures
(University of CambridgeDepartment of EngineeringKing's College, 2012-01-10)Polynomial continuation, a branch of numerical continuation, has been applied to several primary problems in kinematic geometry. The objective of the research presented in this document was to explore the possible ...
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Abstracting information on body area networks
(University of CambridgeFaculty of Computer Science and TechnologyComputer LaboratoryMagdalene College, 2012-01-10)Healthcare is changing, correction...healthcare is in need of change. The population ageing, the increase in chronic and heart diseases and just the increase in population size will overwhelm the current hospital-centric ...
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Supporting computer code for the paper 'Energy stable and momentum conserving hybrid finite element method for the incompressible Navier--Stokes equations'
(2012)Supporting computer code for the paper 'Energy stable and momentum conserving hybrid finite element method for the incompressible Navier-Stokes equations' in SIAM Journal on Scientific Computing.
