Engineering Dissertations and Theses: Recent submissions
Now showing items 961-980 of 1055
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SOLUBILITIES OF CO AND H2 IN NEAT AND CO2-EXPANDED HYDROFORMYLATION REACTION MIXTURES CONTAINING 1-OCTENE AND NONANAL UP TO 80 °C AND 90 BARS
(University of Kansas, 2009-01-01)Accurate knowledge of the phase equilibria of CO2-expanded hydroformylation reaction mixtures is essential to rational process design and development. Vapor liquid equilibria of the following systems were measured in a ... -
The Study and Implementation of Electrically Small Printed Antennas for an Integrated Transceiver Design
(University of Kansas, 2009-01-01)This work focuses on the design and evaluation of the inverted-F, meandering-monopole, and loop antenna geometries. These printed antennas are studied with the goal of identifying which is suitable for use in a miniaturized ... -
A Novel Method for Passive Digital Image Acquisition from a Scanning Electron Microscope
(University of Kansas, 2009-01-01)The Center for Nanotechnology at NASA Ames Research Center is developing a microcolumn scanning electron microscope with energy-dispersive x-ray spectroscopy (MSEMS). The MSEMS has the potential for space explorations ... -
Flexural Stiffnesses of and Dimensional Stability in Circular Quasi-isotropic Laminate Mirrors
(University of Kansas, 2009-01-01)Composite fiber reinforced plastics are being given favorable consideration for emerging applications in large aperture telescopes, such as the Hubble telescope or communication dishes. Many lightweight mirror fabrication ... -
The Fate of Heavy Metals in Highway Stormwater Runoff: The Characterization of a Bioretention Basin in the Midwest
(University of Kansas, 2009-01-01)The usual wear of automobiles and road surfaces deposits numerous environmental pollutants on roadways and parking lots, including heavy metals such as copper, zinc, lead, nickel and cadmium. During rainfall and snow events, ... -
Mitigation of Collapse Risk in Vulnerable Concrete Buildings
(University of Kansas, 2009-01-01)This study investigates the collapse risk of reinforced concrete building columns constructed prior to the mid-1970's, subjected to cyclic lateral loading. These columns have reinforcement details deemed inadequate by ... -
Molecular Design of Crosslinked Copolymers
(University of Kansas, 2009-01-01)A complete methodology for the computational molecular design (CMD) of crosslinked polymers is developed and implemented. The methodology is applied to the design of novel polymers for restorative dental materials. The ... -
Control of the Mechanical Properties of the Synthetic Anterior Longitudinal Ligament and its Effect on the Mechanical Analogue Lumbar Spine Model
(University of Kansas, 2009-01-01)The development and validation of an anatomically correct mechanical analogue spine model would serve as a valuable tool in helping researchers and implant designers understand and alleviate low back pain. Advanced composite ... -
Signal Generation for FMCW Ultra-Wideband Radar
(University of Kansas, 2009-01-01)One of the greatest concerns facing the planet earth today is global warming. Globally the temperatures have risen and this has caused rise in sea level. Since a large percentage of the population lives near the coast sea ... -
A Multi-Tiered Genetic Algorithm for Data Mining and Hypothesis Refinement
(University of Kansas, 2009-01-01)While there are many approaches to data mining, it seems that there is a hole in the ability to make use of the advantages of multiple techniques. There are many methods that use rigid heuristics and guidelines in constructing ... -
Role of Si/Al Ratio on Immobilization and Stability of Rhodium Complexes on ZSM-5
(University of Kansas, 2009-01-01)Rhodium complexes within the pores of zeolite ZSM-5 with varying Si/Al ratios (Si/Al 23, Si/Al 50, and Si/Al 280) were prepared from Rh1+(CO)2(C5H7O2), Rh22+(CO2CH3)4, and Rh3+(C5H7O2)3 followed by thermal treatment in He. ... -
Reputation based Buyer Strategies for Seller Selection in Electronic Markets
(University of Kansas, 2009-01-01)Reputation based adaptive buying agents that reason about sellers for purchase decisions have been designed for B2C ecommerce markets. Previous research in the area of buyer agent strategies for choosing seller agents in ... -
Presentation of XML content using WYSIWYG templates
(University of Kansas, 2008-01-01)XML has gained worldwide popularity for its ability to represent very general structured content. It is a platform independent format that has been successfully used for both media and more traditional textual data. However, ... -
Validation of Radiocarpal Joint Contact Models Based On Images from a Clinical MRI Scanner
(University of Kansas, 2008-01-01)Due to the severity and continuing escalation in occurrences of degenerative joint diseases, it is vital to establish a means of detection and prevention that could lead to an improvement in quality of life. One such means ... -
Ductile Fuses for Special Concentrically Braced Frames
(University of Kansas, 2008-01-01)The behavior of Fuse Elements subjected to load reversals is explored for potential use in Steel Concentrically Braced Frames. Two fuse elements are investigated through experimental and computational analyses. The use of ... -
System Synthesis from a Monadic Functional Language
(University of Kansas, 2008-01-01)Embedded systems typically combine a mixture of heterogeneous components, some that are software executing on general purpose CPUs, some that are off-the-shelf hardware components, and some that are application specific ... -
Framework for Building Design Recyclability
(University of Kansas, 2008-01-01)Recycling of building materials is an important aspect of sustainable construction, while sustainable construction is a critical issue to fulfill overall sustainable development. Researchers have proved that building ... -
Experimental and Analytical Estimation of Damping in Beams and Plates with Damping Treatments
(University of Kansas, 2008-01-01)The research presented in this dissertation is devoted to the problem of damping estimation in engineering structures, especially beams and plates with passive damping treatments. In structural design and/or optimization, ... -
Development and Construction of Low-Cracking High-Performance Concrete (LC-HPC) Bridge Decks: Free Shrinkage, Mixture Optimization, and Concrete Production
(University of Kansas, 2008-01-01)The development and evaluation of low-cracking high-performance concrete (LC-HPC) for use in bridge decks is described based on laboratory test results and experience gained during the construction of 14 bridges. The study ... -
Determination of Glacial-Ice Temperature Profiles Using Radar and an Antenna-Gain Estimation Technique
(University of Kansas, 2008-01-01)Knowledge of glacial ice temperature profiles is important to the study of glaciology. Currently, the only method of obtaining ice temperature profiles is by drilling ice cores, which is a long and arduous process. ...