Engineering Dissertations and Theses: Recent submissions
Now showing items 881-900 of 1055
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Modeling Drilled Shafts in MSE Block Walls
(University of Kansas, 2010-09-01)Mechanically stabilized earth (MSE) technology is recognized for its efficiency for constructing earth retention structures. In some cases structural foundations must pass through the reinforced fill due to the required ... -
Intensification of Liquid-Liquid Contacting Processes
(University of Kansas, 2010-09-01)In order to improve mass transfer rate and efficiently employ energy in liquid-liquid contacting processes, especially in biodiesel production through transesterification, two process intensification technologies were ... -
Effects of Group Categories on the Structure of Online Social Networks
(University of Kansas, 2010-08-24)Over the past few years there has been increasing research interests spent on online social networks. While some social networking sites such as Orkut, Facebook and Friendster are purely social, others such as YouTube, ... -
Behavior-Based Simulation Approach for the Capacity and Traffic Operational Characteristic Study of Four-Way-Stop-Controlled Intersections
(University of Kansas, 2010-08-26)The objective of the proposed research is to study the traffic operational characteristics at four-way-stop-controlled (FWSC) intersections with single -lane approaches. Observational data were collected at six FWSC ... -
Development and Testing of A Low Cost Linear Slot Impulse Turbine
(University of Kansas, 2010-09-01)In this thesis, an impulse turbine with geometric characteristics aimed to have significantly lower manufacturing costs than other turbines of the similar scale was investigated. Experiments were performed to ascertain ... -
A Hardware Implementation of the Soft Output Viterbi Algorithm for Serially Concatenated Convolutional Codes
(University of Kansas, 2010-06-28)This thesis outlines the hardware design of a soft output Viterbi algorithm decoder for use in a serially concatenated convolutional code system. Convolutional codes and their related structures are described, as well as ... -
Radar Testbed Characterization for Evaluation of Modulated Scatterer Concepts
(University of Kansas, 2010-05-27)The following research explores the concepts of communication-embedded radar with an emphasis on radar operation and modulated scatterer concepts. Once firmly established the concept of communication via radar backscatter ... -
Hydrogen Production from Methane Using Oxygen-permeable Ceramic Membranes
(University of Kansas, 2010-06-08)Non-porous ceramic membranes with mixed ionic and electronic conductivity have received significant interest as membrane reactor systems for the conversion of methane and higher hydrocarbons to higher value products like ... -
Micromechanical Analysis of Geosynthetic-Soil Interaction Under Cyclic Loading
(University of Kansas, 2010-05-28)Granular materials are commonly used in the construction of civil engineering infrastructure. Geosynthetics have been used to improve the performance of these structures in many projects. The interaction between geosynthetics ... -
Displacement Demand Effects in Vulnerable Reinforced Concrete Columns
(University of Kansas, 2010-06-01)The purpose of this study was to analyze the response of two full-scale reinforced concrete columns undergoing cyclic lateral loads. Specifically, columns were detailed to be similar to actual columns found in buildings ... -
A novel DHT Routing Protocol for MANETs
(University of Kansas, 2010-04-30)The central challenge in Mobile Ad hoc Networks (MANETs) is to provide a stable routing strategy without depending on any central administration. This work presents and examines the working of Radio Ring Routing Protocol ... -
Development of an Adaptive Flap/Flaperon Flight Control System with Shape Memory Alloy Actuation
(University of Kansas, 2010-06-09)This thesis discusses the design, manufacturing and testing of a new kind of adaptive airfoil using Shape Memory Alloy (SMA) actuation. An antagonistic arrangement of SMA wires was used in a Post-Buckled Precompressed (PBP) ... -
Simulation of Oil Displacement from Oil-Wet Cores by Interfacial Tension Reduction and Wettability Alteration
(University of Kansas, 2010-01-29)Waterflooding in oil-wet naturally fractured reservoirs is not successful because the ability of matrix blocks to imbibe the injected water and displace the oil into the fracture system is poor. Chemical enhanced oil ... -
Towards a Benign and Viable Rhodium Catalyzed Hydroformylation of Higher Olefins: Economic and Environmental Impact Analyses, Solvent Effects and Membrane-based Catalyst Separation
(University of Kansas, 2009-04-28)Researchers at the Center for Environmentally Beneficial Catalysis (CEBC) had previously reported a novel rhodium-based hydroformylation process concept based on the use of CO2-expanded liquids (CXLs) to intensify rates ... -
Improving Face Recognition Performance Using a Hierarchical Bayesian Model
(University of Kansas, 2010-04-27)Over the past two decades, face recognition research has shot to the forefront due to its increased demand in security and commercial applications. Many facial feature extraction techniques for the purpose of recognition ... -
Modeling effects of diffusion and gravity drainage on oil recovery in naturally fractured reservoirs under gas injection
(University of Kansas, 2010-04-22)Gas injection in naturally fractured reservoirs maintains the reservoir pressure, and increases oil recovery primarily by gravity drainage and to a lesser extent by mass transfer between the flowing gas in the fracture and ... -
DERIVATION AND OBSERVABILITY OF UPPER ATMOSPHERIC DENSITY VARIATIONS UTILIZING PRECISION ORBIT EPHEMERIDES
(University of Kansas, 2010-04-28)Several models of atmospheric density exist in today's world, yet most possess significant errors when compared to data determined from actual satellite measurements. This research utilizes precision orbit ephemerides (POE) ... -
Content-Based Image Retrieval Using Deep Belief Networks
(University of Kansas, 2010-04-28)With the shear amount and variety of digital images available in the world today, people need an effective method to search for any particular image. The commonly used strategy of searching by keyword has several problems, ... -
Mixed-Conducting Oxygen Permeable Ceramic Membrane and its Application in the Production of Synthesis Gas
(University of Kansas, 2010-04-28)This study detailedly investigated the effects of the preparation parameters on the performance of Ba0.5Sr0.5Co0.8Fe0.2Ox (BSCF) membranes. In addition, the dominant step of the oxygen permeation through the BSCF membrane ... -
CFD Analysis of UAVs using VORSTAB, FLUENT, and Advanced Aircraft Analysis Software
(University of Kansas, 2010-04-08)Aerodynamic analysis of three different UAVs was completed using multiple software programs. Two of the software programs were high fidelity CFD programs, and the other one was an engineering level code. Advanced Aircraft ...