Browsing School of Engineering by Title
Now showing items 1574-1593 of 2952
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Investigation of germanium implanted with hydrogen for layer transfer applications
(2011)The technology for thin Ge layer transfer by hydrogen ion-cut process is characterised in this work. Experiments were carried out to determine suitable hydrogen ion implantation doses in germanium for the low temperature ... -
AN INVESTIGATION OF HEAT TRANSFER ENHANCEMENT DUE TO PULSED FLOW IN MINICHANNELS
(Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)The development of current and next generation high performance electronic devices has led to smaller components in more densely packed spaces. The increasing power levels has resulted in ever-increasing heat flux densities ... -
Investigation of Inspection and Maintenance Optimization with Deep Reinforcement Learning in Absence of Belief States
(2023)Maintenance of deteriorating infrastructure is a major cost factor for owners and society. Therefore, efficient inspection and maintenance (I&M) strategies are of paramount importance. Deep reinforcement learning (DRL) has ... -
Investigation of Objective Neurophysiological Measures of Auditory Temporal Processing Abilities and Their Applicability in Cochlear Implant Rehabilitation
(Trinity College Dublin. School of Engineering. Discipline of Electronic & Elect. Engineering, 2019)Speech is the most important form of human communication. For people affected by disabling hearing loss, speech information may become unavailable causing social isolation and cognitive decline. People with mild to profound ... -
Investigation of Particulate Phosphorus Mobilised by Run-offin Small Agricultural Catchments
(Trinity College Dublin. School of Engineering. Disc of Civil Structural & Environmental Eng, 2022)Research carried out in this work has contributed valuable insights and new findings into the impact of particulate phosphorus (PP) associated with fluvial suspended sediments, in terms of its sources and speciation dynamics ... -
Investigation of Phosphorescent Materials for Photovoltaic Device Applications
(Trinity College Dublin. School of Engineering. Disc of Civil Structural & Environmental Eng, 2019)Phosphorescence is used in photovoltaic devices by embedding phosphorescence species within a transparent host polymer to absorb ultraviolet solar radiation followed by a slow emission of visible light. Phosphorescent ... -
Investigation of Precision Grinding Process for Production of Silicon Diaphragms
(Society of Photo-Optical Instrumentation Engineers, 2002)The application of precision grinding for the formation of a silicon diaphragm is investigated. The test structures involved 2?6 mm diam diaphragms with thicknesses in the range of 25?150 mm. When grinding is performed ... -
An investigation of Roman mortar technology through the petrographic analysis of archaeological material
(Elsevier, 2007)This paper studies Roman mortars to demonstrate that petrographic analysis provides valuable information on ancient mortar technology. Facts on lime technology relating calcination and slaking were obtained through ... -
Investigation of the effect of low-temperature annealing and impact angle on the erosion performance of nickel-tungsten carbide cold spray coating using design of experiments
(2022)This study investigates the solid particle erosion performance of cold sprayed tungsten carbide-nickel coatings using alumina particles as erodent material. After the coatings fabrication, specimens were annealed in an ... -
The investigation of the relaxation processes in antiferroelectric liquid crystals by electro-optic spectroscopy
(American Institute of Physics, 1998)Electrooptic spectroscopy of an antiferroelectric liquid crystal is carried out over a range of frequencies from 1 Hz to 100 kHz. In the antiferroelectric SmCA phase two relaxation processes are found, one at the fundamental ... -
Investigation on autonomous healing for GFRP composite using cyanoacrylate adhesives
(Trinity College (Dublin, Ireland). Department of Civil, Structural and Environmental Engineering, 2012)An investigation into smart structures with a vascular healing system using cyanoacrylate (CA) adhesive is presented in this thesis. The flexibility in the functional role of a smart structure involves the structure executing ... -
Investigation on parametrically excited motions of point absorbers in regular waves.
(2016)Free floating objects such as a self - reacting wave energy converter (WEC), may experience a condition known as parametric resonance. In this situation, at least two degrees of freedom become coupl ed when the ... -
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 ... -
Investigations into the mechanical properties of insect cuticle
(Trinity College (Dublin, Ireland). Department of Mechanical and Manufacturing Engineering, 2016)Insect cuticle is a composite material comprised of chitin fibres embedded in a protein matrix. It performs a wide variety of functions across class Insecta, and as such displays a wide bandwidth of material properties. ... -
Investigations of nano-scale helical pitch in SmCá* and SmC* phases of a chiral smectic liquid crystal using differential optical reflectivity measurements
(2006)Differential optical reflectivity (DOR) was used to study the temperature dependence of the short helical pitch in freestanding films of a liquid crystal compound. The experimentally measured DOR signal was fitted using ... -
Investigations of nanoscale helical pitch in smectic-C and smectic-C* phases of a chiral smectic liquid crystal using differential optical reflectivity measurements
(2006)Differential optical reflectivity DOR was used to study the temperature dependence of the short helical pitch in freestanding films of a liquid crystal compound. The experimentally measured DOR signal was fitted using ... -
Investigations on rare-earth doped alumino-silicate xerogel incorporated in micro-channel glass and porous silicon
(2005)Porous materials in general have received great attention from the last century. The development of new porous materials and the preparation of new composites based on porous materials is a subject of interest. The development ... -
Investigations on the effect of non-linear models on the reliability of partial safety factor designs
(2023)Most modern structural design codes, such as the Eurocode, are based on the partial safety factor concept. The partial safety factors are calibrated on linear limit states. They provide simplified rules on the application ... -
IoT and AI-Driven Audio in the Smart City: A Rhythmanalysis inspired approach
(2018)French Philosopher and theorist Henri Lefebvre's The Production of Space (1991) has proved a crucial text for framing the discourse around contemporary urban society in the fields of human geography, critical theory, ...