Engineering Dissertations and Theses: Recent submissions
Now showing items 861-880 of 1055
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Effect of Shear on Gelation of Polyacrylamide-Chromium Acetate Gelant in a Circular Tube
(University of Kansas, 2010-11-26)This research studies the gelation and flow properties of a partially hydrolyzed polyacrylamide (HPAM)-chromium acetate gel system under shear conditions. Gelation was observed in steady shear on a rheometer and during ... -
Analysis and Synthesis of Passive UHF RFID using Embedded T-Match
(University of Kansas, 2010-07-30)Radio frequency identification technology with its ability to being read at long ranges and have reliable performance, is at the pinnacle of technological advancement. With the number of applications for RFID increasing, ... -
The Expansion of Chinese Construction Companies in the Global Market
(University of Kansas, 2010-11-03)Chinese contractors are increasingly playing a significant role in the global construction market. This thesis provides a comprehensive study of the global expansion of Chinese construction companies as a result of Chinese ... -
Web Mashups in the Supply Chain
(University of Kansas, 2010-10-22)Many supply chains include multiple parties with the goods exchanged several times from the time of their production until they are sold. The liability issues that arise from goods changing hands several times along the ... -
Design and Performance Analysis of a Geographic Routing Protocol for Highly Dynamic MANETs
(University of Kansas, 2010-06-14)Efficient multi-hop routing has become important for airborne telemetry networks. The highly dynamic nature in these scenarios results in short-lived links. Geographic-based routing has an advantage over topology-based ... -
Store and Haul: Improving Mobile Ad-Hoc Network Connectivity through Repeated Controlled Flooding
(University of Kansas, 2010-06-15)This work investigates the benefits and drawbacks of repeating controlled flooding at different intervals in mobile ad hoc networks (MANETs) to overcome episodic connectivity. Specifically, the thesis examines the efficiencies ... -
Development of a multiple metric index for macroinvertebrates collected from lower Missouri River floodplain wetlands
(University of Kansas, 2010-07-26)The biological integrity of the aquatic ecosystem has become an important component for assessing wetland condition and quality. Aquatic Invertebrates respond to an assortment of abiotic and biotic factors. Many wetland ... -
Understanding Optimization Phase Interactions to Reduce the Phase Order Search Space
(University of Kansas, 2010-07-30)Compiler optimization phase ordering is a longstanding problem, and is of particular relevance to the performance-oriented and cost-constrained domain of embedded systems applications. Optimization phases are known to ... -
Near Miscible CO2 Application to Improve Oil Recovery
(University of Kansas, 2010-07-26)Carbon dioxide (CO2) injection for enhanced oil recovery is a proven technology. CO2 injection is normally operated at a pressure above the minimum miscibility pressure (MMP), which is determined by crude oil composition ... -
Development of a Hybrid Powered 2D Biped Walking Machine Designed for Rough Terrain Locomotion
(University of Kansas, 2010-07-28)Biped robots hold promise as terrestrial explorers because they require a single discrete foothold to place their next step. However, biped robots are multi-input multi-output dynamically unstable machines. This makes ... -
Fluorinated Nanoparticles: A Novel Technology Platform for Multimodal Biomedical Imaging Applications
(University of Kansas, 2010-07-26)Fluorinated compounds have many applications in medicine, including oxygen transport, drug delivery vehicles, and contrast agents in medicine due to fluorine's unique chemical and nuclear properties. Fluorinated compounds ... -
Studies in hydrocarboxylation of styrene and derivatives using palladium complex catalysts
(University of Kansas, 2010-07-15)Carbonylation of aryl olefins and alcohols using homogeneous Pd catalysts has gained considerable interest due to their important applications in the synthesis the non-steroidal anti-inflammatory drugs consisting of ... -
Effectiveness of a Bioretention Cell Treating Stormwater Runoff in Northeastern Kansas
(University of Kansas, 2010-05-12)Stormwater runoff from paved surfaces, which contains high levels of heavy metals, suspended solids and organic contaminants, has been identified as one of the major causes of pollution in receiving waters. Recent studies ... -
PHOTOACOUSTIC MICROSCOPY OF MALIGNANT MELANOMA IN THE IN VIVO MOUSE MODEL
(University of Kansas, 2010-07-15)Current imaging modalities such as magnetic resonance imaging (MRI), computed tomography (CT), optical coherent tomography (OCT), and ultrasound have various drawbacks when applied to imaging malignant tumors and associated ... -
Numerical Simulation of Liquid-Solid, Solid-Liquid Phase Change Using Finite Element Method in h,p,k Framework with Space-Time Variationally Consistent Integral Forms
(University of Kansas, 2010-07-21)This thesis presents development of mathematical models for liquid-solid phase change phenomena using Lagrangian description with continuous and differentiable smooth interface (transition region) between the solid and the ... -
Comparison of Construction Labor Productivity between U.S. and China: Using On-Site Productivity Measurement Methods
(University of Kansas, 2010-12-30)One of the main entry barriers faced by U.S. construction firms for entering the booming Chinese construction market is the acquisition of accurate labor productivity data in China. The accuracy of labor productivity data ... -
Biodegradable Colloidal Gels as Malleable Tissue Scaffolds and Injectable Drug Carriers
(University of Kansas, 2010-10-07)Repair of skeletal defects resulting from traumatic insult, tumor ablation, or congenital deformities remains a formidable challenge for clinicians. From a clinical perspective, the use of injectable materials is an ... -
Numerical Analyses of Geocell-Reinforced Granular Soils under Static and Repeated Loads
(University of Kansas, 2010-09-01)Geocell is one of the geosynthetic products used primarily for soil reinforcement. It was originally developed by US Army Corps of Engineers in 1970s for quick reinforcement of cohesionless soil in the military field. Due ... -
A Framework to Quantify Network Resilience and Survivability
(University of Kansas, 2010-06-11)The significance of resilient communication networks in the modern society is well established. Resilience and survivability mechanisms in current networks are limited and domain specific. Subsequently, the evaluation ... -
Interferometric Synthetic Aperture Radar (InSAR) for Fine-resolution Basal Ice Sheet Imaging
(University of Kansas, 2010-08-31)This dissertation work was to examine the feasibility of InSAR through the ice sheets to create a fine resolution basal topography map and extraction of basal composition. InSAR was shown to be possible through the ice ...