Mechanical & Manufacturing Eng (Scholarly Publications): Recent submissions
Now showing items 481-500 of 700
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An investigation on powder stream in Cold Gas Spray (CGS) nozzles
(2011)The exponential increase of industrial demand in the past two decades has led scientists to th e development of alter native technologies for th e fast manufacturing of engineering components, aside from standar d ... -
Hardfacing engineering surfaces with Supersonic Laser Deposition of Stellite-6
(2011)The capability of manufacturing coatings is of central importance in engineering design. Many components require nowadays the application of additional layers, to enhance mechanical properties and protect against ... -
Powder stream characteristics in cold spray nozzles
(2011)The exponential increase of industrial demand in the past two decades has led scientists to the development of alternative technologies for the fast manufacturing of engineering components, aside from ... -
Supersonic Laser Deposition of Tungsten
(2014)Near fully dense tungsten coatings onto molybdenum substrates have been demonstrated using the Supersonic Laser Deposition (SLD) process. This is a characteristic that is not readily achievable with ... -
Current Design and Performance of Cold Spray Nozzles: Experimental and Numerical Observations on Deposition Efficiency and Particle Velocity
(2014)Coating technologies play a critical role in the worldwide manufacturing industry. The ability to form layers of specific materials onto engineering components to enhance mechanical and physical properties has numerous ... -
Solid-state manufacturing of tungsten deposits onto molybdenum substrates with supersonic laser deposition
(2014)Near fully dense tungsten coatings onto molybdenum substrates have been demonstrated using the Supersonic Laser Deposition (SLD) process. This is a characteristic that is not readily achievable with refractory materials. ... -
COMPUTATIONAL PREDICTION OF COLD SPRAY NOZZLE PER-FORMANCE FOR THE DEPOSITION OF TITANIUM
(2014)Cold spray is a novel technology for the application of coatings onto a variety of substrate materials. In this method , melting temperatures are not crossed and the bonding is realized by the acceleration of powder ... -
A STUDY ON INTERNAL DEFECTS IN FRICTION STIR WELDING OF ALUMINIUM ALLOYS
(2014)Friction Stir Welding (FSW) is a solid state welding process that offers advantages over the conventional techniques. As it is a solid state process, re - solidification defects like porosity ... -
High speed titanium coating by Supersonic Laser Deposition
(2011)The importance of metal coating technologies drives the continuous improvement of metal deposition techniques for application in a wide range of industrial sectors. This work presents the ... -
An overview of current techniques for ocular toxicity testing.
(2015)Abstract Given the hazardous nature of many materials and substances, ocular toxicity testing is required to evaluate the dangers associated with these substances after their exposure to the eye. Historically, animal tests ... -
On the assessment of a VOF based compressive interface capturing scheme for the analysis of bubble impact on and bounce from a flat horizontal surface
(2014)The process of free rise, collision on and bounce from a solid horizontal surface for a single isolated bubble is investigated by numerical simulations based on the Volume of Fluid method (VOF). The volume fraction ... -
Heat transfer and flow structure evaluation of a synthetic jet emanating from a planar heat sink
(2014)Direct impinging synthetic jets are a proven method for heat transfer enhancement, and have been subject to extensive research. However, despite the vast amount of research into direct synthetic jet impingement, there ... -
Thermal management using pulsating jet cooling technology
(Journal of Physics: Conference Series, 2014)The existing methods of heat removal from compact electronic devises are known to be deficient as the evolving technology demands more power density and accordingly better cooling techniques. Impinging jets can be used as ... -
Altering the architecture of tissue engineered hypertrophic cartilaginous grafts facilitates vascularisation and accelerates mineralisation.
(2014)Cartilaginous tissues engineered using mesenchymal stem cells (MSCs) can be leveraged to generate bone in vivo by executing an endochondral program, leading to increased interest in the use of such hypertrophic grafts ... -
Identification of mechanosensitive genes during skeletal development: Alteration of genes associated with cytoskeletal rearrangement and cell signalling pathways
(2014)Background Mechanical stimulation is necessary for regulating correct formation of the skeleton. Here we test the hypothesis that mechanical stimulation of the embryonic skeletal system impacts expression levels of genes ... -
Feasibility Study and Cost-Benefit Analysis of Tidal Energy: A Case Study for Ireland
(2012)Ireland set out to produce 33% of its electricity demand from renewable sources by 2020 and reduce emissions to the level of 1990 in accordance with the Kyoto agreement. These targets require investments in a diverse ... -
General Reduced-Order Model to Design and Operate Synthetic Jet Actuators
(2012)Synthetic jets are used in various applicat ions from flow contro l to thermal management of electronics. Controlling the jet operating point using a simple voltage to velocity calibration becomes unreliable in case ... -
Experimental Validation of a Computational Fluid Dynamics Methodology for Transitional Flow Heat Transfer Characteristics of a Steady Impinging Jet
(2014)This paper presents a computational fluid dynamics (CFD) methodology to accurately predict the heat transfer characteristics of an unconfined steady impinging air jet in the transitional flow regime, impinging on a planar ... -
Flow regime characterisation of an impinging axisymmetric synthetic jet
(2013)Impinging synthetic jets have excellent potential for energy-efficient local cooling in confined geometries. For a given geometry, synthetic jet flows are mainly characterised by the Reynolds number and the ratio of stroke ... -
Scaling of Convective Heat Transfer Enhancement Due to Flow Pulsation in an Axisymmetric Impinging Jet
(2013)Impinging jets are widely used to achieve a high local convective heat flux, with applications in high power density electronics and various other industrial fields. The heat transfer to steady impinging jets has been ...
