Index Catalog // ScholarsArchive@OSU

The optimization of thin film p-CuO/n-ZnO heterostructures for use in selective gas detection

Creator:: Dandeneau, Christopher S.
Abstract:: Since bulk p-CuO/n-ZnO heterocontacts were first proposed for gas detection, rapid development has taken place in improving the overall functionality of these structures. While bulk heterocontacts have been shown to exhibit desirable sensitivity and selectivity characteristics, these devices suffer from innate diffusion and ZnO/CuO connectivity drawbacks that limit their effective...
Resource Type:: Masters Thesis
Full Text:: THESIS OF Christopher S. Dandeneau for the degree of Master of Science in Materials Science

CO2 reduction in aqueous-ionic liquid solution in microscale-based corona reactor, CO₂ reduction in aqueous-ionic liquid solution in microscale-based corona reactor

Creator:: Miao, Yu
Abstract:: Global warming problem is becoming an increasingly important environmental concern and CO₂ is considered as the major cause of global warming. Among various methods of CO₂ utilization, conversion of CO₂ to value added chemical products is the most attractive. In this study, a microscale-based corona reactor is introduced for reduction...
Resource Type:: Masters Thesis
Full Text:: -direction (m/s 2 ); gy Gravity in y-direction (m/s 2 ); gz Gravity in z-direction (m/s 2 ); H

Dividing Complex Parts into Multiple Pieces for Advanced Joining and Additive Manufacturing

Creator:: Massoni, Brandon R.
Abstract:: Poor material utilization is inherent to conventional manufacturing processes, leading to high material waste and machining times. Additive manufacturing processes attempt to solve this issue by allowing production of near-net shapes, but the processes may be too expensive or infeasible. By leveraging both processes in a single part, the waste...
Resource Type:: Masters Thesis
Full Text:: ” component(s). In Figure 3, the “joined” components have a unidirectional arrow pointing toward their “base

Experimental Investigation of the Effects of Embedded Rebar, Cracks, Chloride Ingress and Corrosion on Electrical Resistivity Measurements of Reinforced Concrete

Creator:: Morales, Monica
Abstract:: The effects of steel reinforcement, chloride-induced corrosion initiation, cracking and delamination on the electrical resistivity measurements using the Wenner probe technique were studied experimentally on custom-designed reinforced concrete slabs. Investigation parameters included (1) probe configurations with respect to rebar mesh, (2) rebar density, (3) epoxy coating on the rebar, (4)...
Resource Type:: Masters Thesis
Full Text:: would also like to thank Pouria Ghods and Mustafa Salehi for aiding in advising and the experimental

Delay Performance Evaluation of the IEC 61850 Standard in Power Transmission Substations

Creator:: Safdar, Salman
Abstract:: Substations are a crucial element at the transmission and distribution level of electric power systems. The primary substation equipment (power transformers and high voltage switching equipment) is used to transfer and transform electric energy by stepping up or down the voltage in transmission substations. Secondary equipment (such as IEDs, Intelligent...
Resource Type:: Masters Thesis
Full Text:: this work, the IEC 61850’s delay performance is evaluated at a transmission substation between

Evaluation of the Effect of Chloride Ingress and Freeze-Thaw Cycles on Electrical Resistivity of Reinforced Concrete

Creator:: Rodriguez Matiz, David Esteban
Abstract:: Performing bridge inspections can be a very daunting task for every department of transportation (DOT) in the country. Because the leading cause of deterioration in reinforced concrete bridge decks is corrosion of the steel reinforcement, the ability to detect the concentration of corrosion-causing chlorides in the concrete, using a non-destructive...
Resource Type:: Masters Thesis
Full Text:: . 2009, Sengul 2009, Salehi 2013, Garzon et al. 2014) have shown that electrical resistivity

A channelized digital receiver design for UWB sytems in a multipath indoor environment

Creator:: Chang, Yuhao
Abstract:: This thesis presents a channelized digital receiver design for UWB sytems in a multipath indoor environment. The UWB technology has been used for commercial and military purposes due to a number of advantages such as low-power consumption, noise-like and carrier free. The energy of UWB signal is spread over a...
Resource Type:: Masters Thesis
Full Text:: -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 frequency(Hz) m ag ni tu de s qu ar

Optimum quantization for the adaptive loops in MDFE

Creator:: Parthasarathy, Priya
Abstract:: Multi-level decision feedback equalization (MDFE) is a sampled signal processing technique for data recovery from magnetic recording channels which use the 2/3(1,7) run length limited code. The key adaptive feedback loops in MDFE are those which perform the timing recovery, gain recovery, dc offset detection, and adaptive equalization of the...
Resource Type:: Masters Thesis
Full Text:: response of the read head to a transition or a step is modeled as a 'modified Lorentzian' defined as S

Assessing durability of reinforced concrete and ductile iron

Creator:: Shields, Silas A.
Abstract:: The first goal of this master’s thesis was to investigate the linkage between a non-destructive testing method, surface resistivity, and premature concrete deterioration brought on by chloride ingress and or freeze-thaw cycling. The experimental method for this project consists of taking surface resistivity measurements of reinforced concrete slabs after they...
Resource Type:: Masters Thesis
Full Text:: melt it away. 7 Since the 1930’s when de-icing chemicals were first used, several types of

Sensor communication network within a desktop computer using the DC powerline

Creator:: Bahniuk, Eileen Kei
Abstract:: Powerline communication (PLC), is becoming a more commonplace method for data transmission, however it is still a very new medium for data transmission, and international standards for powerline communication are still in the process of being developed and established. PLC can provide a means of simplifying the device connectivity to...
Resource Type:: Masters Thesis
Full Text:: suited for communication on the powerline. For the data provided here, the Hewlett Packard 8720ES S

ScholarsArchive@OSU

The optimization of thin film p-CuO/n-ZnO heterostructures for use in selective gas detection

CO2 reduction in aqueous-ionic liquid solution in microscale-based corona reactor, CO₂ reduction in aqueous-ionic liquid solution in microscale-based corona reactor

Dividing Complex Parts into Multiple Pieces for Advanced Joining and Additive Manufacturing

Experimental Investigation of the Effects of Embedded Rebar, Cracks, Chloride Ingress and Corrosion on Electrical Resistivity Measurements of Reinforced Concrete

Delay Performance Evaluation of the IEC 61850 Standard in Power Transmission Substations

Evaluation of the Effect of Chloride Ingress and Freeze-Thaw Cycles on Electrical Resistivity of Reinforced Concrete

A channelized digital receiver design for UWB sytems in a multipath indoor environment

Optimum quantization for the adaptive loops in MDFE

Assessing durability of reinforced concrete and ductile iron

Sensor communication network within a desktop computer using the DC powerline

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