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Now showing items 21-40 of 109

  • Design, manufacture, modelling and testing of surface acoustic wave strain sensors 

    Mc Cormack, Brian (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2008)
    There is an increasing demand for multi-sensor strain measurement systems, particularly those which incorporate wireless sensors. A possible application of such a system is the Real-Time Weigh-In-Motion (RTWIM) of heavy ...
  • Interaction between fluidelastic instability and acoustic resonance 

    Mahon, John (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2008)
  • Stress concentrations in bone cement : a critical distance approach 

    Hoey, David (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2009)
    Bone cement is a biomaterial which is used in the fixation of orthopaedic implants. Despite its extensive use it is regarded as the 'weak link' in cemented arthroplasties, fatigue failure of the cement mantle being a major ...
  • On the acoustics of installed subsonic jets 

    O'Reilly, Ciarán J. (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2009)
    The reduction of community exposure to aircraft noise is an important consideration in the design of future aircraft. A review is currently under way of novel aircraft configurations, which may exploit the fuselage, wings ...
  • The developement of novel scaffolds for tissue engineering with a range of structural and mechanical properties 

    Haugh, Matthew George (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2009)
    Tissue engineering (or regenerative medicine) is defined as the application of scientific principles to the synthesis of living tissues using bioreactors, cells, scaffolds, growth factors, or a combination (Rose and Oreffo, ...
  • The influence of chevrons on the turbulent characteristics of jets 

    Kennedy, John (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    To minimize the significant environmental impact of air travel a reduction in noise pollution from jet engines is required. This has led to a renewed focus on active and passive techniques which modify the turbulence ...
  • An investigation into the causes of higher rates of restenosis in peripheral arteries compared with coronary arteries following stenting 

    Early, Michael (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    The use of stenting in peripheral arteries has been limited by rates of in-stent restenosis and stent fracture considerably higher than seen in coronary arteries. Traditional balloon expandable stainless steel stents were ...
  • Recovery factor and conjugate heat transfer for micro jet impingement 

    Lupton, Thomas (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    Impinging jets are renowned for achieving high rates of heat transfer over extended periods of time. The bulk of the research to date in this area has focused on relatively large diameter jets. However, the current study ...
  • FPGA based solver for internet eigenvectors 

    McGettrick, Séamas (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    Calculating an Internet Eigenvector for Internet ranking is a massive computational problem dominated by Sparse Matrix by Vector Multiplication (SMVM) where the matrix is very sparse, unsymmetrical and unstructured. The ...
  • Acceleration of engineering and scientific applications using trivial operand processing 

    Moloney, David M. (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    A vast array of scientific and engineering problems require the solution of linear systems of equations of the form A* x = y , where A is the coefficient matrix of the system and y is a vector of unknowns and jc is a vector ...
  • Development, modelling and characterization of metal micro-textured thermal interface materials 

    Kempers, Roger (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2010)
    A metal micro-textured thermal interface material (MMT-TIM) has been developed to address the shortcomings of conventional TIMs. In the present study, the MMT-TEVIs consist of silver foils with raised, small-scale, hollow ...
  • The effects of a sliding air bubble on heat transfer from an inclined surface 

    Donnelly, Brian (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    An investigation into the effect of a single sliding air bubble on heat transfer from a submerged, inclined surface has been performed. It is known that bubbles, both vapour and gas, can increase heat transfer rates from ...
  • A study of the heat transfer processes and related flows of a synthetic jet impinging perpendicular to a heated surface 

    McGuinn, Thomas Alan (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    To maintain the development of modern technology and its thermally intensive processes, versatile methods of enhancing localised heat transfer are continually required. This need has resulted in an on-going drive to achieve ...
  • Mechanical properties of diamond impregnated cobalt metal matrix 

    Dwan, James D. (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Diamond Impregnated Metal Matrix (DIMM) composite materials are a class of materials used in cutting and drilling of stone and construction materials. This thesis examined the effects of diamond size and diamond concentration ...
  • Bubble-induced Marangoni convection 

    O'Shaughnessy, Séamus (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Thermal Marangoni convection about a 1mm radius air bubble situated under a heated wall of constant temperature immersed in a silicone oil layer (Pr = 220) of constant depth 5mm was experimentally investigated using a flow ...
  • Optimisation of process parameters and tooling during friction stir welding of AA2024-T3 

    Trimble, Daniel (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Friction stir welding (FSW) was invented and experimentally proven at The Welding Institute (TWI) in 1991. The process involves the joining of two metal pieces without melting by joining their molecules together. The tool ...
  • The development of a surface acoustic wave strain sensor 

    Donohoe, Brian (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Multi sensors networks are becoming increasingly prevalent in modern engineering applications. In multi sensor networks, wireless sensors are preferred over traditional wired methods. Sensors based upon the surface acoustic ...
  • Bubble growth dynamics including gravitational and electric field effects 

    Di Bari, Sergio (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    In the present work the hydrodynamics of adiabatic gas bubble growth from a submerged orifice is investigated with the view of elucidating the interdependence of the bubble shape and the pressure field during growth and ...
  • Boundary element methods for the prediction of aircraft noise shielding in flight 

    Clancy, Cathal (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Aircraft noise emissions may be significantly reduced by positioning the aeroengines above the wings or fuselage so as to utilize the shielding effect of the airframe. Computational tools are likely to play a key role in ...
  • Resonant aeroacoustic source localisation in ducted bluff body flows 

    Finnegan, Shane Leslie (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)