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Now showing items 21-40 of 87

  • Bubble-induced Marangoni convection 

    O'Shaughnessy, Seamus (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 ...
  • Cartilage extraceullular matrix-derived scaffolds for joint regeneration 

    Vazão de Almeida, Henrique Martiniano (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)
    The goal of this thesis was to address key limitations associated with autologous chondrocyte implantation (ACI) for articular cartilage regeneration, specifically the need for two hospital stays, cell culture and high ...
  • Case study of the Home Energy Saving Scheme : a multidisciplinary approach 

    Byrne, Amiee Jennifer (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2014)
    The EU has set itself the objective of achieving 20% primary energy savings by 2020. Because of the relatively recent move towards sustainability, there is a limited understanding of how effective related policies and ...
  • Characterisation and modelling of electro-pneumatic production systems 

    Harris, Paul (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2011)
    Compressed air is a widely employed energy source in modern manufacturing, accounting for a large percentage of plant electrical energy usage. However, the energy efficiency of such systems can be particularly low. Accurate ...
  • Characterisation of an integrated telemetric temperature sensor for CFRP milling applications 

    Kerrigan, Kevin (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2013)
    The concept of a sensor designed to measure the behaviour of a machining process is a fundamental part of process monitoring and control. The perception of such a sensor is often underestimated when novel applications are ...
  • Characterisation of the performance of single point diamond dressers in abrasive processes 

    Murphy, Stuart (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2014)
    This thesis presents in-depth investigation and analysis of the dressing of conventional grinding wheels. Grinding is used in the manufacturing industry to achieve a high surface finish which is an important constituent ...
  • Composite scaffold development and bioreactor culture for bone tissue engineering 

    Plunkett, Niamh (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2009)
    Bone tissue engineering involves seeding bone cells onto a scaffold, culturing this construct so that mineralisation occurs (by using signalling mechanisms such as growth factors or bioreactors) and then implanting it into ...
  • Computational investigation into the mechanoregulation of osteoporosis 

    Mulvihill, Bríanne Mary Claire (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2009)
    Trabecular bone remodelling involves the continual resorption and formation of bone along the surface of a strut. Experimental studies have shown that mechanical stimuli, such as strain and damage, initiate and regulate ...
  • Computational investigations of variability in mechanobiological simulations of tissue differentiation 

    Khayyeri, Hanifeh (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2012)
    Theories of mechanoregulation have been integrated in computational models of mechanobiological experiments to test hypotheses of mechanobiology. It is believed that computational models need to be improved by considering ...
  • 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 ...
  • Experimental study of aeroacoustic noise production through combined flow measurements and array signal processing 

    Garcia Pedroche, Miguel (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2013)
    The underlying processes behind sound generation in turbulent flows are still a source of debate. The investigation presented in this thesis focuses on the experimental approaches that aim to clarify this issue by estimating ...
  • Failure mechanisms in bone - a mechanical and histological study 

    Mercy, Matthew Vincent (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2006)
    Repeated loading causes the development of microdamage in bone and may lead to failure by fatigue. Microdam age in the form of microcracks occurs naturally in bone due to the loads experienced during day-to-day activities, ...
  • Finite element analysis & Die profile optimisation for a cold forging process 

    MacCormack, Conor (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2001)
    Throughout the world, almost every machine that moves requires the use of bolts in one form or another. Bolts, or Fasteners, are made in bolt making machines by a process of cold forming. At a particular stage in the bolt ...
  • Finite element and experimental analysis of dented aircraft panels 

    Lacey, Kevin (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2005)
    Aircraft fuselage panels are susceptible to low velocity impact damage in the form of "dents" from a variety of in-service sources, such as cargo and service trucks, dropped tools during servicing, walking on "no-step ...
  • Finite element simulation of a metal forming process & die design 

    Quinlan, Gavin Edward (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2000)
    Thread Rolling (also known as roll threading) is a cold forming process for producing threads or other helical or annular forms on a fastener. This is achieved by rolling the surface profile of hardened steel dies onto the ...
  • Flow structures and heat transfer enhancement in the wakes of sliding bubbles 

    O'Reilly Meehan, Rudi (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)
    The motion of a bubble through a fluid has attracted considerable scientific attention for many years due to the complex, interesting fluid dynamics in their wakes, coupled to a rich and varied interface motion. Additionally, ...
  • 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 ...
  • Fracture and fatigue in High Impact Polystyrene : the influence of secondary phase morphology (Rubber Particle Size and Effective Rubber Phase Volume) on fracture and fatigue behaviour in HIPS 

    Dolan, Finbar (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2004)
    The subject of the following thesis is the influence of the secondary phase morphology on fracture and fatigue behaviour in High Impact Polystyrene (HIPS). The motivation of the work was the premature failure of parts ...
  • Fundamental investigations into the micromilling of a biomedical grade polymer 

    Ervine, Paul (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2013)
    The demand for polymer micromachining has been rapidly growing for a number of years in various diverse applications. Polymer components are generally produced by moulding; however, in some instances machining may be ...
  • Heat transfer behaviour of a dilute impinging air-water mist jet 

    Quinn, Cian (Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2015)
    While the convective heat transfer characteristics of conventional air jets have received a large amount of attention, mist Jets remain relatively under-represented within the literature. The mist jet has the potential to ...