Engineering Dissertations and Theses: Recent submissions
Now showing items 161-180 of 1055
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The Optimization of Data Acquisition, Fuel Flow, and Spark Timing Control for a Synthesis Gas-Engine-Generator System
(University of Kansas, 2018-05-31)As climate change drives the exploration into new and alternative fuels, biodiesel has emerged as a promising alternative to traditional diesel fuel. To further increase the viability of biodiesel, a unique system at the ... -
Extremum Seeking Maximum Power Point Tracking for a Stand-Alone and a Grid-Connected Photovoltaic Systems
(University of Kansas, 2018-05-31)Energy harvesting from solar sources in an attempt to increase efficiency has sparked interest in many communities to develop more energy harvesting applications for renewable energy topics. Advanced technical methods are ... -
Transient conduction and radiation in a semi-transparent phase change medium in an annulus
(University of Kansas, 1986)The effect of thermal radiation on the solidification of an absorbing, emitting, isotropically scattering infinite and finite, semi-transparent gray medium bounded between two concentric cylinders is investigated. The ... -
Computational Analysis for Time Dependent Two Dimensional Flow of Incompressible Homogeneous Newtonian Fluid (Spin Up Problem)
(University of Kansas, 1983)A digital computer method and a program which employs optimized successive overrelaxation were developed to solve certain problems involving time-dependent two-dimensional flow of an incompressible homogeneous Newtonian ... -
Adaptive High-Order Differential Formulation for the Compressible Navier-Stokes Equations
(University of Kansas, 2014-12-31)High-order methods have the potential to achieve higher accuracy at lower cost than lower order methods. This potential has been demonstrated conclusively for smooth problems in the 1st International Workshop on High-Order ... -
Retrofit Techniques for Distortion-induced Fatigue Damage in Steel Bridge Girders
(University of Kansas, 2014-05-31)Distortion-induced fatigue has been a primary research topic in the Fatigue and Fracture research group at the University of Kansas, with an aim of determining the efficacy of several different retrofit measures to halt ... -
Applications of the Extended Finite Element Method (XFEM) for the Analysis of Distortion-Induced Fatigue Cracking in Highway Bridge Girders
(University of Kansas, 2013-08-31)Fatigue cracking due to distortion-induced stresses is common in web-gap regions of steel bridge girders built prior to the mid-1980s. Various repair techniques have been developed to mitigate this problem, and numerous ... -
Replacement of a band-limited Gaussian white noise by an infinite bandwidth Gaussian white noise through statistics matching
(University of Kansas, 1971) -
Characterization of the Degradation and Conversion of Bone Cement and Borate Bioactive Glass Composites
(University of Kansas, 2017-12-31)Periprosthetic infections are a devastating complication of orthopedic procedures, costing time and money as well as the quality of life of affected patients. 13-93B3 is a boron-based bioactive glass that degrades and ... -
Development of a Microfluidic Based Portable Analyzer for Continuous Monitoring of Glutamate and other Amino Acid Neurotransmitters
(University of Kansas, 2017-12-31)The amino acid glutamate (Glu) is one of the most ubiquitous neurotransmitters in the brain and the chief excitatory neurotransmitter. As a neurotransmitter, Glu is integral to the normal workings of the brain and is ... -
Early Development of 3D-Printed Implants for Mandibular Condyle Regeneration
(University of Kansas, 2017-05-31)In recent years, three-dimensional (3D) printing has opened up unprecedented opportunities in the field of tissue engineering, providing researchers with more precise control over the macro- and microstructural characteristics ... -
Engineering the Ionic Polymer/Gas Interfacial Properties of a Fuel Cell Catalyst Layer and Performance Optimization of Various Reversible Fuel Cells
(University of Kansas, 2017-08-31)The primary barrier to full-scale commercialization of proton exchange membrane fuel cells (PEMFCs) is their inability to operate at high power density and energy efficiency. High power density operation is currently limited ... -
Lipid and protein interactions at air-water interface: correlating structural organization with rheological properties
(University of Kansas, 2017-08-31)Biological compounds such as lipids and proteins are building blocks of all living species and therefore, understanding how interactions between these molecules contribute to proper biological functioning is of great ... -
Keeping a Chin Up in the Face of Adjacent Segment Pathology: A Biomechanical Analysis of Prophylactic Treatments for Proximal Junctional Kyphosis in Adult Spinal Fusions
(University of Kansas, 2017-12-31)The use of prophylactic tethers for treatment of proximal junctional kyphosis has been gaining clinical interest in recent years. There is currently no clinical consensus on appropriate technique and little biomechanical ... -
Implementation of a Fixed Bed Solid Fuel Combustor for the Purpose of Macroalgal Biomass Co-firing Studies
(University of Kansas, 2017-12-31)Coal-fired power plants represent the majority share of fossil fuel based electricity generation facilities. Due to their numerous negative environmental impacts, however, they are targeted for reduction and eventual ... -
Application of Diametral Compression Test to Evaluation of Dentin-Adhesive Interface Bond Strength
(University of Kansas, 2017-12-31)Bond strength test is crucial for evaluation of dentin-adhesive effectiveness and for informing the design of adhesive systems. Conventional bond strength techniques have limitations with respect to accuracy and suffer ... -
Code Cache Management in Managed Language VMs to Reduce Memory Consumption for Embedded Systems
(University of Kansas, 2017-12-31)The compiled native code generated by a just-in-time (JIT) compiler in man- aged language virtual machines (VM) is placed in a region of memory called the code cache. Code cache management (CCM) in a VM is responsible to ... -
Experimental and Modeling Study of Electrochemical and Thermal Behavior of Lithium-ion Batteries
(University of Kansas, 2017-12-31)This research work starts with experimental investigations of the heat generation characteristics and the effectiveness of passive cooling of commercially available LiFePO4 batteries (7.25mm×160mm×227mm, 19.5 Ah) using ... -
Investigating Potential Wetland Development in Aging Kansas Reservoirs
(University of Kansas, 2017-12-31)Reservoirs around the world are losing their storage capacity due to sediment infilling; and with this infilling, the quality or value of some reservoir uses such as boating, fishing and recreation are diminishing. However, ... -
Prediction of Capillary Pressure and Relative Permeability Curves using Conventional Pore-scale Displacements and Artificial Neural Networks
(University of Kansas, 2017-12-31)Traditional network models use simplified pore geometries to simulate multiphase flow using semi-analytical correlation-based approaches. In this work, we aim at improving these models by (I) extending the numerical ...