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Theses/Dissertations

2020

Simulation

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Full-Text Articles in Engineering

Optical Fiber Based Integrity Test Of Civil Engineering Materials: Numerical Analysis, Ruoyu Zhong Jan 2020

Optical Fiber Based Integrity Test Of Civil Engineering Materials: Numerical Analysis, Ruoyu Zhong

Masters Theses

“Major advancement in Civil Engineering cannot be accomplished without the help of sensors. Among different types of sensors, fiber-optic sensor is known for its light weight, high accuracy, resolution, immunity to electromagnetic interference, and resistance to harsh environment. This research mainly focuses on fiber-optic sensor application on concrete structures as temperature sensor. Thermal Integrity Profiling (TIP) is a non-destructive integrity testing method which makes use of the hydration heat from the concrete curing process to detect defects within a drilled shaft. Any defect of concrete could result in a temperature anomaly in a drilled shaft. The accuracy of the current …


Simulation Of Lubricant Evaporation / Flow From A Nanoscale Film Under Laser Heating For Cloud-Storage Applications, Sean Anthony, Hannah Verbanac, Turki Alkhelaiwi Jan 2020

Simulation Of Lubricant Evaporation / Flow From A Nanoscale Film Under Laser Heating For Cloud-Storage Applications, Sean Anthony, Hannah Verbanac, Turki Alkhelaiwi

Williams Honors College, Honors Research Projects

The process known as heat-assisted magnetic recording is an advanced data storage technology which can be applied to develop higher data-density storage in next generation hard disk drives. Such drives are instrumental in the utility of server storage devices and the storage of large-data projects such as that of the Event Horizon Telescope array. During this process, data is written to a magnetic surface by means of laser heating; the coercivity of the magnetic medium is reduced by the heating of this surface, and within this heating period, data is able to be written to the disk in a smaller …


Investigation Of Host Nanotube Parameters For Enhancing The Performance Of Nanostructured Cds-Cdte Solar Cells, Deepak Kumar Jan 2020

Investigation Of Host Nanotube Parameters For Enhancing The Performance Of Nanostructured Cds-Cdte Solar Cells, Deepak Kumar

Theses and Dissertations--Electrical and Computer Engineering

Numerical simulations are performed to investigate the effects of host nanotube parameters (pore diameter and pitch for different CdS coverages) and CdTe doping density on device performance in nanowire CdS/ CdTe solar cells using SCAPS-1D. This research finds the optimum values for these parameters in order to achieve the highest efficiency. Experimentally the effect of anodization voltage and fluoride ion concentration on the pore diameter and the pitch are studied for the Titania nanotubes host. It is observed that in the range of 0.3 mL to 2 mL of ammonium fluoride content, pore diameter and the pitch of the Titania …