Engineering Commons^™

Wastewater Reuse In Apulia: Between Dream And Reality, Antonio Lopez

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Sludge Production And Utilization In Italy, Giuseppe Mininni, Giulia Sagnotti

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Surface Filtration Technologies For Municipal Wastewater Reuse For Irrigation – Preliminary Results Of Demo-Scale Activities, Pompilio Vergine

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Cold Climate Solar Thermal Greenhouse Design, Samuel Health, Ashley Husbands, Cora Lemar, Moriko Tollan

Civil, Environmental and Sustainable Engineering Senior Theses

The design of a cold climate solar thermal greenhouse was inspired by a trip the design team took to the Denali Education Center (DEC) in Alaska. The DEC expressed the need for a greenhouse because the soil in Alaska is too cold to grow fresh vegetables and fruits during the late Spring and Summer months. A solar array located on the campus, currently used to heat Water, produces an excess amount of heat that needs to be directed elsewhere. By heating the inside of the greenhouse through the solar array, the DEC will be able to extend its growing season …

Preserving The Quality Of Architectural Tactics In Source Code, Mehdi Mirakhorli

College of Computing and Digital Media Dissertations

In any complex software system, strong interdependencies exist between requirements and software architecture. Requirements drive architectural choices while also being constrained by the existing architecture and by what is economically feasible. This makes it advisable to concurrently specify the requirements, to devise and compare alternative architectural design solutions, and ultimately to make a series of design decisions in order to satisfy each of the quality concerns.

Unfortunately, anecdotal evidence has shown that architectural knowledge tends to be tacit in nature, stored in the heads of people, and lost over time. Therefore, developers often lack comprehensive knowledge of underlying architectural design …

Power Management In The Cluster System, Leping Wang

School of Computing: Dissertations, Theses, and Student Research

With growing cost of electricity, the power management of server clusters has become an important problem. However, most previous researchers have only addressed the challenge in traditional homogeneous environments. Considering the increasing popularity of heterogeneous and virtualized systems, this thesis develops a series of efficient algorithms respectively for power management of heterogeneous soft real-time clusters and a virtualized cluster system. It is built on simple but effective mathematical models. When deployed to a new platform, the software incurs low configuration cost because no extensive performance measurements and profiling are required. Built upon optimization, queuing theory and control theory techniques, our …

Stress Analysis For Chip Scale Packages With Embedded Active Devices Under Thermal Cycling, Hyunwook Yeo

Dissertations and Theses

One of the main challenges in the electronics manufacturing and packaging development is how to integrate more functions inside the same or even smaller size. To meet the demand for higher integration, the interest toward passive and active component embedding has been increasing during the past few years. One of the main reasons for the growing interest toward embedded active components, in addition to demand for higher packaging density, is the need for better electrical performance of the component assemblies. However, it is little known how embedded IC and passives affect the reliability of IC packaging.

Solder joints have been …

System-Wide Performance Analysis For Virtualization, Deron Eugene Jensen

Dissertations and Theses

With the current trend in cloud computing and virtualization, more organizations are moving their systems from a physical host to a virtual server.

Although this can significantly reduce hardware, power, and administration costs, it can increase the cost of analyzing performance problems. With virtualization, there is an initial performance overhead, and as more virtual machines are added to a physical host the interference increases between various guest machines. When this interference occurs, a virtualized guest application may not perform as expected. There is little or no information to the virtual OS about the interference, and the current performance tools in …

Effect Of Video Camera-Based Remote Roadway Condition Monitoring On Snow Removal-Related Maintenance Operations, Seishi Yamagata

Theses and Dissertations

Remote monitoring through the use of cameras is widely utilized for traffic operation, but has not been utilized widely for roadway maintenance operations. The Utah Department of Transportation (UDOT) has implemented a new remote monitoring system, referred to as a Cloud-enabled Remote Video Streaming (CRVS) camera system for snow removal-related maintenance operations in the winter. The purpose of this study was to evaluate the effectiveness of the use of the CRVS camera system in snow removal-related maintenance operations. This study was conducted in two parts: opinion surveys of maintenance station supervisors and an analysis on snow removal-related maintenance costs. The …

Target Motion Estimation Techniques For Single-Channel Sar, Mark T. Crockett

Theses and Dissertations

Synthetic aperture radar (SAR) systems are versatile, high-resolution radar imagers useful for providing detailed intelligence, surveillance, and reconnaissance, especially when atmospheric conditions are non-ideal for optical imagers. However, moving targets in SAR images are smeared. Along-track interferometry is a commonly-used method for extracting the motion parameters of moving targets but requires a dual-aperture SAR system, which may be power- size- or cost-prohibitive. This thesis presents a method of estimating target motion parameters in single-channel SAR data given geometric target motion constraints. I test this method on both simulated and actual SAR data. This estimation method includes an initial estimate, computation …

Model-Based 3d Sar Reconstruction, Chad Knight, Jake Gunther, Todd Moon

Space Dynamics Laboratory Publications

Three dimensional scene reconstruction with synthetic aperture radar (SAR) is desirable for target recognition and improved scene interpretability. The vertical aperture, which is critical to reconstruct 3D SAR scenes, is almost always sparsely sampled due to practical limitations, which creates an underdetermined problem. This papers explores 3D scene reconstruction using a convex model-based approach. The approach developed is demonstrated on 3D scenes, but can be extended to SAR reconstruction of sparsely sampled signals in the spatial and, or, frequency domains. The model-based approach enables knowledge-aided image formation (KAIF) by incorporating spatial, aspect, and sparsity magnitude terms into the image reconstruction. …

Experimental Investigation Of Lateral Cyclic Behavior Of Wood-Based Screen-Grid Insulated Concrete Form Walls, John Stuart Garth

Dissertations and Theses

Insulated concrete forms (ICFs) are green building components that are primarily used for residential wall construction. Unlike most polystyrene based ICF variants, the Faswall ICFs used in these experiments were significantly denser because they were made from recycled wood particles and cement. The current design approach for structures constructed with this type of wall form only allows the designer to consider the contribution of the reinforced concrete cores. Previous research has shown that this approach may be conservative. This project experimentally evaluated the lateral structural response of these types of grid ICF walls under increasing amplitude of in-plane cyclic loading. …

Linear Time Invariant Model Of Anaerobic Digestion Of Waste Activated Sludge, Antonios Sendjaja

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Temperature Adjustment And Calibration Of An Asm2d-Adm1 Model, A. Fenu

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Equilibrium, Kinetic And Thermodynamic Study Of Adsorption Of Rhodamine B From Aqueous Solution By Activated Carbon From Peltophorum Pterocarpum Leaf, B. Jeyaraj, Y. Subbareddy, C. Jayakumar, K.S. Nagaraja, S. Valliammai

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Optimal Control For Activated Sludge Alternating Flow/Aeration Systems With More Than Two Basins, A. Fenu, T. Wambecq, K. De Gussem, M. Weemaes

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Simulation Based Feed Stream Estimation Of Wastewater Treatment Plants Using A Surrogate Model, Peter Kern

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Modeling Reactions Between Activated Sludge Fractions And Ozone To Optimize Biosolids Reduction Processes, Dominic Frigon

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Life Cycle Assessment Of A Full Scale Case Study On Agricultural Reuse Of Treated Agro-Industrial Wastewater, Pompilio Vergine, Carlo Russo, Giuseppe Martino Nicoletti, Alfieri Pollice

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Modeling And Optimization Workshop, Vito Primavera

Wastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies

No abstract provided.

Engineering An In Vitro Metastasis Platform, Justus Carlisle, Mark-Phillip Pebworth

Bioengineering Senior Theses

Although metastasis is the primary cause of cancer deaths and results in 90% of all cancer fatalities currently, all attempts to discover anti-metastatic drugs have failed. Many of the traditional methods of studying cell migration, using two-dimensional (2D) platforms, only study two-dimensional migration, which is fundamentally different and more multifaceted than the three-dimensional migration that occurs in vivo. To more accurately capture this in vivo variation, we developed a two-and-a-half-dimensional (2.5D) cell culture platform to better study three-dimensional (3D) migration. This platform consists of a layer of alginate on top of a monolayer of cells grown on tissue culture polystyrene …

The Application Of Boundary Layer Climatology And Urban Wind Power Potential In Smarter Electricity Networks, Keith Sunderland, Gerald Mills

Other resources

Smart electricity networks that address energy demand, efficiency and sustainability concerns are predicated on the ability to capture renewable energy in a controllable manner. Such networks will have a particular role in cities, where increasing demand is inevitable but this requires that primary (renewable) energy resources, including that of wind, is better understood. In this paper, the role of wind energy systems, as integral components of a smarter urban electricity network, is considered using a model of the urban wind resourcein Dublin, Ireland that is based on boundary layer theory and meteorological observations. This model is used in conjunction with …

Talens: Genome Surgery, Carson Harms, Serena Lerkantitham

Bioengineering Senior Theses

Genetic engineering has always held great opportunity for the field of gene therapy. If the cause of a genetic disease can be determined, correction of this gene would allow for an efficient and permanent cure. However, current technologies utilizing engineered retroviruses have serious drawbacks that significantly limit their practical applications for gene therapy. In this project we investigate a novel genetic editing technology called TALENs. By utilizing a modular protein isolated from a plant pathogen that can be quickly and efficiently redesigned to recognize and bind to any desired sequence of DNA combined with a nuclease, we can target a …

Design And Evaluation Of A Home- Scale Arsenic Removal System, Megan Alferness, Alexandria Casares

Civil, Environmental and Sustainable Engineering Senior Theses

The problem of arsenic contamination affects millions of people worldwide. A home-scale arsenic removal system could provide families in Nepal access to clean drinking water. It would also reduce the risk of adverse health issues that are associated with ingesting arsenic contaminated water. Our experiments show that using electrocoagulation is an effective method of removing arsenic from water. We were able to get the level of arsenic below 10 ppb in 60 minutes of treatment using various system configurations. We identified several parameters that affect the treatment process, the most important being the charge loading, or the amount of charge …

A Review Of Home Airtightness And Ventilation Approaches For Florida Building Commission Research, Florida Solar Energy Center, Jeffrey Sonne

FSEC Energy Research Center®

This research project was conducted with the primary objectives of 1) providing a literature review, examination of experimental data, and calculations of energy impacts of using or not using various types of ventilation systems and 2) developing alternative approaches to achieving acceptable levels of ventilation while avoiding the risks associated with super-tight home enclosures and potential mechanical system failures. The report includes discussions of pertinent airtightness and mechanical ventilation topics and provides recommended ventilation practices for Florida.

Evaluation Of Passive Force Behavior For Bridge Abutments Using Large-Scale Tests With Various Backfill Geometries, Jaycee Cornwall Smith

Theses and Dissertations

Bridge abutments are designed to withstand lateral pressures from thermal expansion and seismic forces. Current design curves have been seen to dangerously over- and under-estimate the peak passive resistance and corresponding deflection of abutment backfills. Similar studies on passive pressure have shown that passive resistance changes with different types of constructed backfills. The effects of changing the length to width ratio, or including MSE wingwalls determine passive force-deflection relationships. The purpose of this study is to determine the effects of the wall heights and of the MSE support on passive pressure and backfill failure, and to compare the field results …

The Poverty Crusher, Rob Golterman, Brian Hammond, Thien-Ryan Le, Arvin Lie

Mechanical Engineering Senior Theses

The Poverty Crusher team built a human-powered rock breaking device for the women in Nepal who make $1.50 - $3 per day crushing rocks. A prototype jaw-type rock crusher was designed and built over a period of several months. However, the device was unable to break rocks due to excessive bending in the connection points of the frame and in the crushing faces. Improvements were suggested for the next prototype, which include increasing the second moment of inertia of the crushing faces, using a welded frame, and generally decreasing the cost and weight of the device.

The Development Of Synthetic Wind Series Based On Gaussian And Non Gaussian Statistics, Thomas Woolmington, Keith Sunderland, Jonathan Blackledge

Conference papers

The ability to summarise the characteristics of turbulence into classical statistical models has long been a cause of intrigue for the wind energy industry. Currently, in the context of wind energy systems, a representation of turbulence is by a singular numerical value, turbulence intensity (TI), but the question is whether a classical statistic has the ability to accurately quantify the turbulence characteristic in question.

Swing Wing Aerial Drone (Swad), Chris Barton, Robert Gomez, Matt Kochalko, Kyle Nakagaki

Mechanical Engineering Senior Theses

Drones are unmanned aerial vehicles that have a variety of different applications in the field. Drones are very helpful for first responders such as firefighters, police, and even ranchers and large landowners. Most drones have a fixed wing. This report will show the design, construction, and fluid dynamic testing of a drone that has multiple wing positions. These modes are the straight wing position and swept back position. This design will change the flight profile of the plane, allowing for the user to launch at a faster speed and the glider to get to the desired location faster. Once the …

Mobile Audiometry Application, Kevin Nguyen, Shweta Panditrao

Interdisciplinary Design Senior Theses

The Mobile Audiometry Application hopes to utilize the ubiquity of the mobile device by providing a means of healthcare focused on audiometry. This application enables a mobile device to perform audiometric testing to detect a user's hearing range, and notify the user whether he or she is suffering from hearing loss. This project seeks to fulfill a social need for increased access to hearing testing by providing a portable, affordable, and reliable screening tool that is accurate. The result was sleek application that provided a calibration method, executed an audiometry test using accurate and calibrated files, displayed the results graphically, …