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Graduate Theses, Dissertations, and Problem Reports (ETD)

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Uav Based Distributed Automatic Target Detection Algorithm Under Realistic Simulated Environmental Effects, Shanshan Gong Aug 2007

Uav Based Distributed Automatic Target Detection Algorithm Under Realistic Simulated Environmental Effects, Shanshan Gong

Graduate Theses, Dissertations, and Problem Reports (ETD)

Over the past several years, the military has grown increasingly reliant upon the use of unattended aerial vehicles (UAVs) for surveillance missions. There is an increasing trend towards fielding swarms of UAVs operating as large-scale sensor networks in the air [1]. Such systems tend to be used primarily for the purpose of acquiring sensory data with the goal of automatic detection, identification, and tracking objects of interest. These trends have been paralleled by advances in both distributed detection [2], image/signal processing and data fusion techniques [3]. Furthermore, swarmed UAV systems must operate under severe constraints on environmental conditions and sensor …

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Performance Of Compact Mobile Emissions Monitoring System For Real-Time On-Board Emissions Measurement, Chandima S. Jayasinghe Aug 2007

Performance Of Compact Mobile Emissions Monitoring System For Real-Time On-Board Emissions Measurement, Chandima S. Jayasinghe

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this study was to evaluate the performance of the Compact Mobile Emissions Monitoring System (CMEMS) in an engine dynamometer test cell equipped with laboratory grade analyzers, and under real-world testing conditions. The CMEMS was evaluated in the test cell with the engine operating under transient (FTP) and steady state conditions and results were compared with laboratory data.;In response to the Consent Decrees, which were entered into by some of the heavy duty engine manufactures and the United States, several in-use portable emissions measurement systems (PEMS) have been developed, and some of them are commercially available. However, most …

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Carbon Promoted Water Electrolysis To Produce Hydrogen At Room Temperature, Sukanya Ranganathan Aug 2007

Carbon Promoted Water Electrolysis To Produce Hydrogen At Room Temperature, Sukanya Ranganathan

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of the work was to conduct water electrolysis at room temperature with reduced energy costs for hydrogen production. The electrochemical gasification of carbons consumes only 9.6 kcal/mol H2O compared to 56.7 kcal/molH 2O for conventional water electrolysis. In this work, carbon-assisted hydrogen production and the reaction energetics/kinetics at applied potentials |E0| between 0.1 and 1.8 V are studied. The carbon promoted water electrolysis could be performed at applied potentials as low as |E0|=0.21 V as opposed to conventional water electrolysis which requires |E0|>1.25 V. The study reveals that the H2 produced per W h is higher at …

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Study Of An Error In Engine Ecu Data Collected For In-Use Emissions Testing And Development And Evaluation Of A Corrective Procedure, Petr Sindler Aug 2007

Study Of An Error In Engine Ecu Data Collected For In-Use Emissions Testing And Development And Evaluation Of A Corrective Procedure, Petr Sindler

Graduate Theses, Dissertations, and Problem Reports (ETD)

A study was conducted to evaluate and correct possible inaccuracies in in-use emissions measurements, which were made with Portable Emissions Measurement Systems (PEMS). West Virginia University developed a PEMS termed the Mobile Emissions Measurement System (MEMS) for measurement of heavy duty on road diesel emissions and reporting them in brake specific units (g/bhp-hr). In particular, the study focused on inaccuracies in the engine Electronic Control Unit (ECU) broadcast data logged by the Dearborn Protocol Adapter (DPA) and the Data Link Monitor (DLM) software. Data for this study were collected both in the West Virginia University's Engine Emission Research Laboratory with …

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Web-Based Inventory Management System For The West Virginia State Police, Robert M. Horwatt May 2007

Web-Based Inventory Management System For The West Virginia State Police, Robert M. Horwatt

Graduate Theses, Dissertations, and Problem Reports (ETD)

This thesis describes the conversion of a DOS-based database system to meet very specific web-based database requirements of the West Virginia State Police. The need for conversion was proposed by the West Virginia State Police in January of 2007. The conversion process given here: allows for normalization of all data; to make the process of inventory management easier for employees of the West Virginia State Police (WVSP); enumerates inventory management problems currently being faced by the WVSP; presents a brief explanation of databases and the database model being used; and provides the initial requirements, specifications for this system These requirements …

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Specifying Security Requirements Improvement For Ieee Standard 830, Jacob D. Mccarty May 2007

Specifying Security Requirements Improvement For Ieee Standard 830, Jacob D. Mccarty

Graduate Theses, Dissertations, and Problem Reports (ETD)

This paper presents a concept on how the software requirements specifications template provided by IEEE Standard 830 could be updated to ensure that security is analyzed during the early stages of the software development lifecycle. This improved security requirement in the software requirements specifications will ensure that software developers will have a more clear understanding of how to protect digital information.

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Power Market Analysis Tool For Congestion Management, Silpa Parnandi May 2007

Power Market Analysis Tool For Congestion Management, Silpa Parnandi

Graduate Theses, Dissertations, and Problem Reports (ETD)

The privatization and deregulation of electricity markets has increased competition and electricity may be produced and consumed in amounts that would cause the transmission system to operate beyond transfer limits---the system is congested. Hence, congestion management is a fundamental transmission management problem. In this thesis, a power market analysis tool is designed for congestion management. The tool creates an interface between PowerWorld (c), a professional software tool to compute power flows, and MATLAB RTM. The tool helps in analyzing power flow results, batch-processing of large case studies, and providing the user with options to manage congestions. A graphical user interface …

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Numerical Investigation Of Wing Morphing Capabilities Applied To A Horten Type Swept Wing Geometry, Ashwin Vishwanathan May 2007

Numerical Investigation Of Wing Morphing Capabilities Applied To A Horten Type Swept Wing Geometry, Ashwin Vishwanathan

Graduate Theses, Dissertations, and Problem Reports (ETD)

The inspiration for this work has been derived from the work done by Lippisch, the Hortens, Northrop and largely by the flight of birds in nature. Swept-wing tailless aircraft have been in vogue since World War-II and have now taken on a new role in stealth warfare primarily due to their low radar signatures. They also exhibit a highly efficient aerodynamic configuration with low parasitic drag. However, conventional tailless aircraft suffer from a lack of proper control mechanisms and have thus been forced to compromise their efficiency for better control. This work done at WVU aims to introduce a morphing …

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Modeling The Fiberglass Spinning Process, Jeremy S. Watts May 2007

Modeling The Fiberglass Spinning Process, Jeremy S. Watts

Graduate Theses, Dissertations, and Problem Reports (ETD)

Two main processes are performed in the manufacturing of fiberglass filters. This thesis looks at the first of these processes, which is known as the spinning process in the industry. At the subject plant, melted glass is drawn from a moving furnace through a plate with several #16 sized holes acting as tiny nozzles and spun onto a large-diameter drum spinning at a set speed. The glass strands after being drawn have an average diameter of 27-30 microns. While the glass is being spun on the drum, a special binder is applied to the glass strands that will later be …

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Assessing Public Opinion Toward Homelessness In The United States, Joni Mari Dugan May 2007

Assessing Public Opinion Toward Homelessness In The United States, Joni Mari Dugan

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examines the relationship between a variety of demographic characteristics and an individual's feelings and helping behavior towards the homeless population. This study also distinguishes between the way urban residents feel and act towards the problem of homelessness with the way that rural residents feel and act towards the problem of homelessness. Respondents were identified as urban or rural by using the nine party county codification scheme of rural-urban continuum codes from the United States Department of Agriculture. This study is a secondary data analysis of the 2002 General Social Survey (GSS), which has a sample size of 3,000 …

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Analysis Of The Relationship Between Performance Measures And Sale Price Among Angus Bulls From Two Different Bull Providers, C. Zack Hileman May 2007

Analysis Of The Relationship Between Performance Measures And Sale Price Among Angus Bulls From Two Different Bull Providers, C. Zack Hileman

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this study was to determine the relationships of sale price to EPD, Angus Dollar Value Indexes, and actual measurements among Angus bulls of two different seedstock bull providers. Data were obtained from Gardiner Angus Ranch, Ashland, Kansas, for years 2000-2006 on 815 Angus bulls and from the Wardensville bull test, Wardensville, West Virginia, for years 2001-2005 on 357 Angus bulls. Expected progeny differences (EPD) for birth weight (BW EPD), weaning weight (WW EPD), yearling weight (YW EPD), maternal milk (MM EPD), yearling height (YH EPD), scrotal circumference (SC EPD), intramuscular fat (IMF EPD), ribeye area (REA EPD), …

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The Effects Of Framing On Decision Making: Collaborative Versus Individual Decision Making Among Older Adults, Sarah A. Stoner May 2007

The Effects Of Framing On Decision Making: Collaborative Versus Individual Decision Making Among Older Adults, Sarah A. Stoner

Graduate Theses, Dissertations, and Problem Reports (ETD)

The framing effect in medical decision making was examined using individual and collaborative older adult decision makers. One hundred eight adults over the age of 60 participated. A lung cancer scenario was presented to each participant, with the option of choosing surgery or radiation for treatment. Participants viewed the options in either a positive (survival) or negative (mortality) frame. A mixed design was used, with frame (positive or negative) and condition (individual or collaborative) as the between subject factors, and data format (cumulative probability, interval probability, and life expectancy) as the within subject factor. Individuals demonstrated the framing effect in …

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Exploring Faculty Changes In Science Courses At Maryland Community Colleges In Response To The Associate Of Arts In Teaching Degree Option For Elementary Education Majors, Bettie Cecelia A'Hearn May 2007

Exploring Faculty Changes In Science Courses At Maryland Community Colleges In Response To The Associate Of Arts In Teaching Degree Option For Elementary Education Majors, Bettie Cecelia A'Hearn

Graduate Theses, Dissertations, and Problem Reports (ETD)

Education majors at Maryland community colleges have often faced difficulties in transferring to four-year colleges, frequently having to repeat courses, resulting in greater financial burdens and delayed graduation. In the fall of 1999, the Chief Academic Officers Intersegmental Group appointed the Teacher Education Articulation Committee whose task was to establish a seamless transfer between two- and four-year public and private colleges in Maryland. This committee determined outcomes for elementary teacher candidates that defined the requirements of a new degree, the Associates of Arts in Teaching. Although the original intention of this degree was to establish a seamless transfer between two- …

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Emotional Intelligence Competencies Of Department Chairs In The West Virginia State Community College System And Their Faculty Members' Perceptions Of Organizational Climate, Paul L. Milhoan May 2007

Emotional Intelligence Competencies Of Department Chairs In The West Virginia State Community College System And Their Faculty Members' Perceptions Of Organizational Climate, Paul L. Milhoan

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to determine if a significant relationship exists between faculty members' perceptions of organizational climate and their chairs' emotional intelligence competencies. The organizational climate description questionnaire for academic departments of colleges and universities (OCDQ-HE-Partial) was used to assess faculty members' perceptions of organizational climate. Chairs' emotional intelligence competencies were measured by the Bar-On Emotional Quotient Inventory (EQ-i). Faculty members and chairs were all employees of the West Virginia State Community and Technical College System.;The entire population of chairs (N=40) and the entire population of faculty members in the West Virginia Community and Technical College System …

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Aerosol Generation And Entrainment Model For Cough Simulations, Cem Ersahin May 2007

Aerosol Generation And Entrainment Model For Cough Simulations, Cem Ersahin

Graduate Theses, Dissertations, and Problem Reports (ETD)

The airborne transmission of diseases is of great concern to the public health community. The possible spread of infectious disease by aerosols is of particular concern among health-care workers and emergency responders, who face a much greater risk of exposure to these hazards than does the general public. Some diseases, such as influenza, spread by dissemination and inhalation of aerosols of small droplet nuclei that are generated by coughing and remain airborne for an extended time. For that reason a better understanding of the generation of aerosols is important. Therefore, the main objective of this study is to investigate the …

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Growth Of Diesel Exhaust Particulate Matter In A Ventilated Mine Tunnel, Glen A. Wilt May 2007

Growth Of Diesel Exhaust Particulate Matter In A Ventilated Mine Tunnel, Glen A. Wilt

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this work was to study the formation and evolutionary characteristics of aerosols, originating from the exhaust plume of a diesel engine operating in a ventilated mine tunnel. To extract these characteristics, precise cross-sectional scalar exhaust maps of CO2, temperature, and aerosol concentration were generated and used to track the time averaged axial development of the plume. These maps were then used to position aerosol size distribution samples within critical regions of the plume. This approach was found to provide an efficient and thorough record of aerosol formation and evolution, as a result of naturally dispersed diesel exhaust …

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Surface And Subsurface Fault And Fracture Systems With Associated Natural Gas Production In The Lower Mississippian And Upper Devonian, Price Formation, Southern West Virginia, S. Reed Johnson May 2007

Surface And Subsurface Fault And Fracture Systems With Associated Natural Gas Production In The Lower Mississippian And Upper Devonian, Price Formation, Southern West Virginia, S. Reed Johnson

Graduate Theses, Dissertations, and Problem Reports (ETD)

Production from natural gas deposits is often enhanced by fault and fracture systems associated with reservoirs. This study presents analyses of fault and fracture systems within the Mississippian Price Formation in Southern West Virginia using subsurface well data and fracture data from surface analogs. The Price was analyzed at outcrops near the Allegheny Structural Front and in the Allegheny Plateau. Subsurface data analyses included mapping and modeling of the Price, fault delineation, cross section construction, and fractured zone identification. Production data was used to assess the potential for fractures and faults to enhance gas production. Fracture densities from outcrop were …

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Indian Warfare, Household Competency, And The Settlement Of The Western Virginia Frontier, 1749 To 1794, John M. Boback May 2007

Indian Warfare, Household Competency, And The Settlement Of The Western Virginia Frontier, 1749 To 1794, John M. Boback

Graduate Theses, Dissertations, and Problem Reports (ETD)

The thesis of this dissertation is that Indian-related violence and warfare had a profound influence on the duration and nature of the frontier experience of those men and women who settled in the western Virginia backcountry between 1749 and 1794. Recurrent attacks by Shawnees, Delawares, Mingos, and Indians from the Great Lakes region caused such widespread death, destruction, and depopulation that it effectively prolonged the period of austere and difficult living conditions for over forty years. This conclusion contradicts the assertions of some recent scholars who have argued that crude living conditions lasted for only a year or two on …

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Parenting Factors Related To Asthma And Anxiety In Children, Abby H. Friedman May 2007

Parenting Factors Related To Asthma And Anxiety In Children, Abby H. Friedman

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present study examined the association between parenting style and anxiety in children with asthma. Participants included 60 children with asthma and 60 controls, aged 9-12 years. At least one of the children's parents participated. The children and their parents completed self-report measures of anxiety and depressive symptoms. Children reported on their parent's style of parenting, while parent's reported on parent-child relationship quality. Parents and physicians completed asthma severity reports. Results partially replicated previous findings. A Multivariate Analysis of Variance (MANOVA) demonstrated that children with asthma obtained significantly higher scores than controls on the Multidimensional Anxiety Scale for Children (MASC). …

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Social Rank And Social Anxiety, Jennifer A. Chrystan May 2007

Social Rank And Social Anxiety, Jennifer A. Chrystan

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of the current study was to investigate a primary assumption of social rank theory. More specifically, the purpose was to determine whether the perception of social inferiority leads to increased anxiety during social interaction, with a heightened effect occurring among those who are more socially anxious. Although multiple studies have demonstrated shared covariates between social anxiety and perceptions of inferiority, virtually no research has been dedicated to scrutinizing the causal relationship proposed by social rank theory. One hundred undergraduate students at West Virginia University participated in this study. Participants engaged in three social interaction tasks with a same-gender …

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A Grounded Theory Of Software Process Improvement Model Adoption, W. Grant Norman May 2007

A Grounded Theory Of Software Process Improvement Model Adoption, W. Grant Norman

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study, using a grounded theory methodology, analyzed data collected from software developers and IT professionals on software process improvement (SPI) adoption. The study is presented within a backdrop of organizational change steps described by John P. Kotter in his 1996 book, Leading Change. Software quality problems and failures have caused many financial losses, injuries, and even deaths. In the mid 1980s, as a means of mitigating these problems, the Department of Defense (DoD) and Carnegie Mellon University (CMU) began work on the Capability Maturity Model (CMMRTM) In 2001, the model was superseded by a more robust model, the Capability …

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Comparison Of Two Electrofishing Gears (Backpack And Parallel Wires) And Abundances Of Fishes Of The Upper Greenbrier River Drainage, Angela D. Burns May 2007

Comparison Of Two Electrofishing Gears (Backpack And Parallel Wires) And Abundances Of Fishes Of The Upper Greenbrier River Drainage, Angela D. Burns

Graduate Theses, Dissertations, and Problem Reports (ETD)

The type of electrofishing gear influences capture efficiencies and abundance estimates of stream fishes. Few studies have examined the Holton and Sullivan (1954) parallel wires method of electrofishing. For this study, I modeled removal data with seven sampling occasions of three common species, western blacknose dace (Rhinichthys obtusus), fantail darter (Etheostoma flabellare), and mottled sculpin ( Cottus bairdi) from 10 paired sites in the upper Greenbrier River drainage, West Virginia, and estimated capture efficiencies of two electrofishing gear types (the Holton and Sullivan parallel wires method with alternating current and backpack units with pulsed-direct current). Ten candidate models represented alternative …

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Individual Preferences For Profile Attractiveness Comparing Two Diagnostic Techniques, Jennifer Hamilton May 2007

Individual Preferences For Profile Attractiveness Comparing Two Diagnostic Techniques, Jennifer Hamilton

Graduate Theses, Dissertations, and Problem Reports (ETD)

Two analyses using soft tissue landmarks (Arnett's Soft Tissue Cephalometric Analysis, STCA and Andrews' Six Elements Diagnostic System, 6E) were compared for their ability to generate esthetic profiles in lateral repose and smiling. Photographs of 23 subjects were digitally altered to represent the STCA and 6E surgical predictions and presented to panels of professionals and lay people for rating on a visual analog scale (0-50). Professionals and lay people agreed that the 6E simulated profiles were significantly preferred to the Arnett simulated profiles in both smiling and repose. Overall the 6E profiles were rated higher (more esthetic) on the VAS …

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Cognitive Components, Information Search Processes, And Outcomes In A Decision Making Task, Beth A. Stafford May 2007

Cognitive Components, Information Search Processes, And Outcomes In A Decision Making Task, Beth A. Stafford

Graduate Theses, Dissertations, and Problem Reports (ETD)

Data from 49 younger adults with a mean age of 20.8 years old was used to examine the relations among cognitive abilities, information search strategies, and decision quality. Participants completed computerized relocation tasks for hypothetical individuals. A multiple linear regression was used to test the relations among the cognitive components fluid ability (Gf), crystallized ability (Gc), working memory (WM) and decision quality. A multiple linear regression was used to test the relations among the search strategies order of information searched, amount of information searched, search selectivity, and decision quality. A hierarchical regression was used to test the relations among cognitive …

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Development Of Water Production Type Curves For Horizontal Wells In Coalbed Methane Reservoirs, Praveen Kumar Burka Narayana May 2007

Development Of Water Production Type Curves For Horizontal Wells In Coalbed Methane Reservoirs, Praveen Kumar Burka Narayana

Graduate Theses, Dissertations, and Problem Reports (ETD)

Coalbed methane is an unconventional gas resource that consists of methane production from the coal seams. The key parameters for the evaluation of coalbed methane (CBM) prospects are the gas resources, reserves and deliverability. Coalbed methane reservoirs are dual-porosity media where the vast majority of the gas is stored in the low permeability coal matrix (primary porosity) by sorption. The flow to production wells, however, occurs through the coal's natural fracture system (secondary porosity), which stores relatively small amounts of gas, because coal matrix practically has no permeability.;For the gas to be released from the coal, its partial pressure must …

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Using Blended Instruction To Teach Academic Vocabulary Collocations: A Case Study, M. Teresa Das Neves Seesink May 2007

Using Blended Instruction To Teach Academic Vocabulary Collocations: A Case Study, M. Teresa Das Neves Seesink

Graduate Theses, Dissertations, and Problem Reports (ETD)

Learning second language vocabulary has always been a challenge for second language (L2) learners. Transferring new vocabulary to an active stage has been an even greater challenge.;In the 1990s, Lewis (2002a) proposed the Lexical Approach as a means to help L2 learners with vocabulary acquisition. This approach encouraged the teaching of vocabulary in chunks, or in other words, putting emphasis on collocations. Focus on vocabulary collocations was suggested by several researchers (Brown, 1974; Hinkel, 2004; Lewis, 2001). They supported the teaching of collocations via in-class exercises. Cobb (1999) and Kaur and Hegelheimer (2005) showed that the use of a concordancer---an …

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Effects Of Varying Body Forces On Isothermal And Non Isothermal Liquid Jet Impingement, Deepak Mehra May 2007

Effects Of Varying Body Forces On Isothermal And Non Isothermal Liquid Jet Impingement, Deepak Mehra

Graduate Theses, Dissertations, and Problem Reports (ETD)

Liquid jet impingement is often used to cool heated surfaces encountered in various industrial applications. Such applications include cooling of electronic components and annealing of metals. Liquid jet impingement investigations primarily involve submerged jets and less commonly free liquid jets. Most of the studies done on both submerged jet impingement and free liquid jet impingement are done under terrestrial gravity conditions. There have been few studies on liquid jet impingement under non terrestrial conditions in zero or non zero gravitational force or of electrical body forces. These conditions are expected to result in significantly different flow patterns and heat transfer …

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Architecture For An Automated Irc Investigation Tool, Dugald A. Brown May 2007

Architecture For An Automated Irc Investigation Tool, Dugald A. Brown

Graduate Theses, Dissertations, and Problem Reports (ETD)

Chat rooms provide a safe haven to discuss and at some times perform some types of crimes involving the internet. The anonymity provided by chat rooms combined with a general lack of records for most chat servers creates an environment where those who would perpetrate a crime may flourish. Current forms of investigation such as manually monitoring rooms or analyzing logs post-mortem require many man-hours with little to show or provide results too late to gather additional information.;In this thesis some methodologies are discussed in the design of a tool to automate the task of monitoring, logging, analyzing, locating users …

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Effect Of Dilution Method On Diesel Exhaust Particulate Matter Concentrations And Size Distributions, Karthikeyan C. Venkatasubramaniam May 2007

Effect Of Dilution Method On Diesel Exhaust Particulate Matter Concentrations And Size Distributions, Karthikeyan C. Venkatasubramaniam

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this study was to evaluate the effect of different dilution methodologies on diesel exhaust particle size distributions and concentrations. A two-stage ejector based dilution system was used to dilute the raw exhaust at total dilution ratios of 240 and 504. A naturally aspirated, mechanically controlled, 3-cylinder inline, 0.953 liter Daihatsu Model DM950DTH engine was employed and tests were conducted with and without a wire mesh Diesel Oxidation Catalyst (DOC). Federal Diesel #2 with a sulfur content of 350 ppm was used as the testing fuel. The first dilution method (hot dilution) comprised of hot air dilution in …

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Electronic Instrumentation Of Coal Slurry Impoundments For Real-Time Data Collection To Support Automated Monitoring, James A. Altobello May 2007

Electronic Instrumentation Of Coal Slurry Impoundments For Real-Time Data Collection To Support Automated Monitoring, James A. Altobello

Graduate Theses, Dissertations, and Problem Reports (ETD)

Following the breakthrough and release of coal slurry from the Martin County Coal Corporation impoundment near Inez, Kentucky on October 11, 2000 the United States Congress requested the National Research Council (NRC) to examine ways to reduce these types of accidents. The NRC completed their study titled "Coal Waste Impoundments" which identified numerous areas of concern and the committee presented recommendations for improving the design, operation, and safety of coal slurry impoundments. This research addresses the National Research Council's findings for introducing state-of-practice electronic instrumentation for monitoring parameters within the embankment and slurry pool area of an impoundment. This research …

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