Engineering Dissertations and Theses: Recent submissions
Now showing items 41-60 of 1055
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Time-Domain Simulation of Sound Propagation in Frequency-Dependent Materials
(University of Kansas, 2019-05-31)This dissertation investigates sound propagation in frequency-dependent materials. The study provides an improved understanding of how to numerically model the porous impedance materials more accurately under the conditions ... -
Adult stem cell-derived secretome based strategies to promote myocardial regeneration
(University of Kansas, 2019-05-31)Restoring the functionality of the heart after the occurrence of an acute myocardial infarction requires the design of specific therapies aimed to induce an intricate cascade of biological events necessary to promote ... -
In Situ and Operando Tools and Methods for Characterization of Heterogeneous Catalysts
(University of Kansas, 2019-05-31)In situ and operando spectroscopic characterization of catalysts is a powerful tool to explore the nature of species that may be involved in a heterogeneous catalytic cycle. In combination with methodologies to discriminate ... -
Electrochemical Reduction of CO2: Catalyst and Catalytic System Development
(University of Kansas, 2019-05-31)Electrochemical CO2 reduction to fuels and chemicals could improve industrial sustainability,as the process is readily powered by renewable energy sources. In aqueous solvents it is important to minimize parasitic water ... -
Analyzing the Effects of Walkway Attachments on Highway Cantilevered Overhead Sign Structures
(University of Kansas, 2019-05-31)Cantilevered overhead sign structures (COSS) experience cyclic loading due to stochastic loads such as natural wind gusts (NWG). These wind loads cause large deflections in the cantilever and excessive stresses can develop ... -
ZiZoNet: A Zoom-In and Zoom-Out Mechanism for Crowd Counting in Static Images
(University of Kansas, 2019-05-31)As people gather during different social, political or musical events, automated crowd analysis can lead to effective and better management of such events to prevent any unwanted scene as well as avoid political manipulation ... -
Brace Effectiveness of Cross-frame Layout and Connection Design on Skewed Steel Bridges During Construction
(University of Kansas, 2019-08-31)The Kansas Department of Transportation (KDOT)'s current design practice is to align cross-frames parallel to the skew angle to avoid problems associated with fit-up during erection. The American Association of State Highway ... -
I Know What You Type on Your Phone: Keystroke Inference on Android Device Using Deep Learning
(University of Kansas, 2019-08-31)Given a list of smartphone sensor readings, such as accelerometer, gyroscope and light sensor, is there enough information present to predict a user’s input without access to either the raw text or keyboard log? With the ... -
A Step Toward Sustainability: Mechanisms of Hydrodeoxygenation Reactions over a Metal-Metal Oxide Catalyst
(University of Kansas, 2019-08-31)In recent years, metal-metal oxide catalysts have proven to be robust catalysts for hydrodeoxygenation (HDO) of oxygenated compounds derived from bio-renewable feedstocks to value-added products. Herein, the conversion of ... -
ADOPTING NEW TECHNOLOGIES IN THE DESIGN AND CONSTRUCTION INDUSTRY: BEST PRACTICES FOR ORGANIZATIONAL CHANGE MANAGEMENT
(University of Kansas, 2019-08-31)The application of new technologies continues to grow in the architecture, engineering, and construction (AEC) industry. Adopting a new technology can require substantial effort for the company’s staff to learn new skills ... -
Multi-Objective Optimization of FM Noise Waveforms via Generalized Frequency Template Error Metrics
(University of Kansas, 2019-08-31)FM noise waveforms have been experimentally demonstrated to achieve high time bandwidth products and low autocorrelation sidelobes while achieving acceptable spectral containment in physical implementation. Still, it may ... -
Therapeutic applications for pulsed laser and ultrasound
(University of Kansas, 2019-08-31)Arthrofibrosis is a condition that causes a painful reduction in joint range of motion, which is caused by a buildup of scar tissue in and around joint. The overall goal of this research project was to develop new non-invasive ... -
Pore-Scale Network Modeling of Microporosity in LowResistivity Pay Zones of Carbonates
(University of Kansas, 2019-08-31)Carbonates present an important research area as classical empirical methods primarily developed for sandstone characterizations give erroneous results when being applied to carbonates. Specifically, the question of ... -
A Comparative Study on Polyp Classification and Localization from Colonoscopy Videos
(University of Kansas, 2019-08-31)Colorectal cancer is one of the most common types of cancer with a high mortality rate. It typically develops from small clumps of benign cells called polyp. The adenomatous polyp has a higher chance of developing into ... -
Radome Design and Curvature Effects on Antenna Performance, with Application to Radar Array Installation in Transonic Aircraft
(University of Kansas, 2019-08-31)Significant and fast changes in the cryosphere have been observed and monitored using radioglaciology and remote sensing technology. A fuselage mounted Ultrawideband Multichannel Coherent Radar Depth Sounder (UWB MCoRDS) ... -
Quantitative Assessment of Magnetic Resonance Spectroscopy Data Reconstruction Methods: Region-of-Interest Averaging and Spectral Localization by Imaging
(University of Kansas, 2019-08-31)The aim of this dissertation was to compare two magnetic resonance spectroscopy (MRS) localization techniques: Fourier based region-of-interest (ROI) averaging, and the non-Fourier based spectral localization by imaging ... -
Estimation of The Effect of Rain and Incidents on Freeway Capacity and Free-Flow Speed
(University of Kansas, 2019-08-31)The goal of this thesis was to examine the effect of incidents and adverse weather (rain) on capacity and Free-Flow Speed (FFS). Data were collected from multiple freeway segments in Kansas City, Kansas from 2014 to 2018. ... -
INVESTIGATION OF SOIL ARCHING UNDER DIFFERENT MODES OF SOIL MOVEMENT AND SURFACE LOADING
(University of Kansas, 2019-08-31)Soil arching exists in many geotechnical applications, including tunnels, buried pipes and culverts, and Geosynthetic-Reinforced Pile-Supported (GRPS) embankments. The existence of these buried structures or structural ... -
Toluene Removal from Produced Water by Biofilm Granular Activated Carbon System
(University of Kansas, 2019-05-31)Over the last several decades, new strategies for oil and gas produced water disposal have been explored due to concern over increasing seismicity in areas surrounding deep well injection sites. A large area of research ... -
Experimental and Numerical Investigations of Wettability of Positive Electrodes for Li−O2 Batteries
(University of Kansas, 2019-05-31)The objective of this dissertation is to characterize the positive electrode wettability and its effects on the performance (e.g., discharge capacity) of Li−O2 batteries. The investigations include an experimental study ...