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Graduate Theses, Dissertations, and Problem Reports (ETD)

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Learning And Developing Professional Behaviors As Part Of An Entry-Level Physical Therapy Education: A Survey Of Students And Practicing Clinicians, D. Scott Davis May 2006

Learning And Developing Professional Behaviors As Part Of An Entry-Level Physical Therapy Education: A Survey Of Students And Practicing Clinicians, D. Scott Davis

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this dissertation was to examine the state of professionalism in the physical therapy profession. The literature suggests that professionalism is a concern in many professions including medicine, law, nursing, audiology, and physical therapy. Two separate but parallel surveys were used to identify the opinions and experiences of physical therapy students and licensed physical therapists. The student survey consisted of a four-page paper and pencil survey that was mailed to 20 randomly selected CAPTE accredited physical therapy programs. Of the 1,525 available students, 336 (22%) physical therapy students participated in the investigation. The clinician survey consisted of a …

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An Evaluation Of Vibration And Other Effects On The Accuracy Of Grip And Push Force Recall, Thomas W. Mcdowell May 2006

An Evaluation Of Vibration And Other Effects On The Accuracy Of Grip And Push Force Recall, Thomas W. Mcdowell

Graduate Theses, Dissertations, and Problem Reports (ETD)

Operators of vibratory hand tools can be at risk of developing health problems associated with repeated forceful actions and exposure to intense hand-transmitted vibration. To better assess health risks, comprehensive risk evaluations of these tasks must include quantitative assessments of hand-tool coupling forces. Researchers have used instrumentation for such measurements; but those techniques may be ill-suited for certain field environments. Psychophysical force-recall techniques have been proposed as alternatives to handle instrumentation. This study comprised two experiments that examined the effects of vibration and other factors upon force-recall accuracy and reliability. In each experiment, participants applied specific grip and push forces …

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A Delphi Study To Identify Teaching Competencies Of Teacher Education Faculty In 2015, Sonhwa Na May 2006

A Delphi Study To Identify Teaching Competencies Of Teacher Education Faculty In 2015, Sonhwa Na

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to reach consensus on future course delivery modes and recommended teaching competencies that would be required for teacher education faculty in future course delivery environments. A three-round, online modified Delphi study was used to answer the following research questions (RQs): (a) RQ1: What course delivery modes will teacher education faculty of traditional colleges and universities be using in 2015?, and (b) RQ2: What competencies will teacher education faculty of traditional colleges and universities need to teach using these delivery modes? Course delivery modes and general teaching competencies were determined as a result of consensus …

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A Work-Based Window Method For Calculating In-Use Brake-Specific Oxides Of Nitrogen Emissions Of Heavy -Duty Diesel Engines, Benjamin C. Shade May 2006

A Work-Based Window Method For Calculating In-Use Brake-Specific Oxides Of Nitrogen Emissions Of Heavy -Duty Diesel Engines, Benjamin C. Shade

Graduate Theses, Dissertations, and Problem Reports (ETD)

Heavy-duty diesel engines (HDDEs) are currently certified in an engine dynamometer test cell over defined test cycles, such as the Federal Test Procedure (FTP) or the Supplemental Emissions Test (SET). In addition to certification testing, those HDDEs are subjected to in-use testing where gaseous emissions levels are not to exceed 125% of the certification level plus an additional 0.5 g/bhp-hr for instrument and analyzer inaccuracies. These HDDEs are required to meet these limits in the Not-To-Exceed (NTE) zone, which is defined by 40 CFR §86.1370-2007. In this method, emissions are calculated when an engine is operating in the NTE zone …

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The Impact Of Reservoir Properties On Mixing Of Inert Cushion And Natural Gas In Storage Reservoirs, Balaji S. Srinivasan May 2006

The Impact Of Reservoir Properties On Mixing Of Inert Cushion And Natural Gas In Storage Reservoirs, Balaji S. Srinivasan

Graduate Theses, Dissertations, and Problem Reports (ETD)

Underground natural gas storage is a process which effectively balances a variable demand market with a nearly constant supply of energy provided by the pipeline system. Cushion gas in storage reservoirs provide the necessary pressure for the withdrawal of working gas and it makes up for the largest part of investments in underground storage reservoirs. Usually, a part of the cushion gas is replaced by an inert gas such as Nitrogen in order to reduce the investment costs. Due to this replacement there might be problems caused by the mixing of inert cushion and natural gas, which is a cause …

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Decision Making Through The Simulation Of Centralized And Decentralized Distribution Storage Systems, Tomasz M. Kosalka May 2006

Decision Making Through The Simulation Of Centralized And Decentralized Distribution Storage Systems, Tomasz M. Kosalka

Graduate Theses, Dissertations, and Problem Reports (ETD)

The design of a Supply Chain network has a great impact on a company's performance. Simulation modeling and optimization techniques were selected to analyze and solve supply chain and distribution storage problems.;The techniques were applied to a decision making process of reconfiguring an existing distribution storage system for a Warehouse Chain Company, and modifying it from centralized to a decentralized one. This research presented a methodology for identifying data needs, building an analytical database, creating simulation models with Arena software, optimizing the models with OptQuest software, and performing sensitivity analysis.;As a result of applying this methodology, it was found that …

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Development Of Gas Production Type Curves For Horizontal Wells In Coalbed Methane Reservoirs, Allen Ekahnzok Nfonsam May 2006

Development Of Gas Production Type Curves For Horizontal Wells In Coalbed Methane Reservoirs, Allen Ekahnzok Nfonsam

Graduate Theses, Dissertations, and Problem Reports (ETD)

Coalbed methane is an unconventional gas resource that consists of methane production from coal seams. The unique difference between CBM and conventional gas reservoirs is that it is a dual-porosity system characterized by complex interaction of the coal matrix and cleat system that are coupled through the desorption process. Coalbed methane reservoir performance is controlled by a complex set of reservoir, geologic, completion and operation parameters. To date there are very little tools to help with predicting the performance of CBM wells.;The purpose of this research was to develop a simple and reliable tool to help with gas production predictions …

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Summer Home Range, Habitat Use, Movements, And Activity Patterns Of River Otters (Lontra Canadensis) In The Killbuck Watershed, Northeastern Ohio, David A. Helon May 2006

Summer Home Range, Habitat Use, Movements, And Activity Patterns Of River Otters (Lontra Canadensis) In The Killbuck Watershed, Northeastern Ohio, David A. Helon

Graduate Theses, Dissertations, and Problem Reports (ETD)

River otters (Lontra canadensis), one of the most aquatic Mustelids, are important components of riparian systems and are an important fur-bearing species. Several studies evaluating post-release survival and movements have been conducted; however, there have been deficient long-term studies to determine the status of these river otter populations once established. During 2002 and 2003m 16 river otters (7 female, 9 male) were trapped and radio-tagged. Overall, mean female home range size was 802.4 ha and mean male home range size was 1,101.7 ha. Mean home range size was similar between genders in 2002, but was greater for males than females …

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Propagation Of Alfven Waves In The Wvu Helix Device, Christopher S. Compton May 2006

Propagation Of Alfven Waves In The Wvu Helix Device, Christopher S. Compton

Graduate Theses, Dissertations, and Problem Reports (ETD)

Alfven waves are low frequency, long wavelength electromagnetic waves commonly found in space plasmas. As these waves typically have wavelengths on the order of kilometers, generating Alfven waves in the lab is quite difficult. At the appropriate plasma parameters, (e.g., high density and weak applied magnetic field strength), the wavelength of the Alfven wave will be small enough to fit into a reasonably sized experimental device. Here it will be shown that Alfven waves have been successfully propagated in the HELIX device in argon and helium plasmas.

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Partial Oxidation Of Propane On Ceria- And Alumina-Supported Platinum Catalysts, Vijaya Anil Bansode May 2006

Partial Oxidation Of Propane On Ceria- And Alumina-Supported Platinum Catalysts, Vijaya Anil Bansode

Graduate Theses, Dissertations, and Problem Reports (ETD)

Three Pt/CeO2 catalysts and Pt/Al2O3 catalyst were studied for partial oxidation of propane. The 1% Pt/CeO 2 (C) catalyst which was prepared using CeO2 prepared by the decomposition technique showed the highest propane conversion and hydrogen selectivity. The 1% Pt/Al2O3 showed better performance than 1% Pt/CeO2 (C).;The effect of flow rate was studied for 0.01 g and 0.02 g of 1% Pt/CeO 2 (C) and 1% Pt/Al2O3. Oxygen is totally consumed at all flow rates, even at 0.01 g catalyst loading for both catalysts. The total oxidation of propane is taking place first followed by steam reforming along with water …

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Characterization Of Diffractive Optical Lenses For Use In Mems Integrated Optical Monitoring, Christopher W. Hollandsworth May 2006

Characterization Of Diffractive Optical Lenses For Use In Mems Integrated Optical Monitoring, Christopher W. Hollandsworth

Graduate Theses, Dissertations, and Problem Reports (ETD)

Micro Electro Mechanical Machines (MEMS) are finding use in an increasing number of applications. Many of these applications, especially safety critical ones, require continuous knowledge of the operational status of the MEMS device over its lifetime. In-situ monitoring of the operational status of these devices is better suited to optical methods which provide a non-invasive way of continuously determining device position as a function of time. This data is central to determining the MEMS state and operational condition. Whether the optical source is internal to the MEMS package or external to the package and introduced via optical fiber, lenses will …

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Reduction Of Toxic Air Contaminants (Tacs) And Particulate Matter Emissions From Heavy-Duty Natural Gas Engines, Hemanth K. Kappanna May 2006

Reduction Of Toxic Air Contaminants (Tacs) And Particulate Matter Emissions From Heavy-Duty Natural Gas Engines, Hemanth K. Kappanna

Graduate Theses, Dissertations, and Problem Reports (ETD)

Increasing urban pollution levels have driven the Federal and the local air control boards to impose stricter emissions regulations on heavy-duty engines earmarked for transit buses. This has made natural gas a promising fuel for reducing the emissions of oxides of nitrogen and predominantly particulate matter from heavy-duty transit buses. Recent research studies performed at WVU and elsewhere have showed that natural gas engines emit an order of magnitude lower PM emissions, on a mass basis, when compared to diesel engines without any exhaust aftertreatment devices. However, on a number basis the emissions from natural gas fueled buses were an …

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Projection Of Truck Traffic Volumes At Interstate Permanent Automatic Traffic Recorders, Alex M. Sanchez May 2006

Projection Of Truck Traffic Volumes At Interstate Permanent Automatic Traffic Recorders, Alex M. Sanchez

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study documents the development of a methodology and models to forecast truck traffic volumes on Interstate Highways at a selection of Permanent Automatic Traffic Recorder (PATR) sites. The models were developed using data collected over a period nine years (1995 to 2003) from sixteen permanent count stations located throughout the state. Eight sites were ultimately utilized, five along rural interstate highways and the others from urban interstate highways. Model development was based on the time series method, using two techniques: regression analysis and the growth factor technique. Both were analyzed and compared in order to select the most reliable …

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Addressing Corner Detection Issues For Machine Vision Based Uav Aerial Refueling, Soujanya Vendra May 2006

Addressing Corner Detection Issues For Machine Vision Based Uav Aerial Refueling, Soujanya Vendra

Graduate Theses, Dissertations, and Problem Reports (ETD)

The need for developing autonomous aerial refueling capabilities for an Unmanned Aerial Vehicle (UAV) has risen out of the growing importance of UAVs in military and non-military applications. The AAR capabilities would improve the range and the loiter time capabilities of UAVs. A number of AAR techniques have been proposed, based on GPS based measurements and Machine Vision based measurements. The GPS based measurements suffer from distorted data in the wake of the tanker. The MV based techniques proposed the use of optical markers which---when detected---were used to determine relative orientation and position of the tanker and the UAV. The …

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Models For Calculating Confidence Intervals For Neural Networks, Ashutosh R. Nandeshwar May 2006

Models For Calculating Confidence Intervals For Neural Networks, Ashutosh R. Nandeshwar

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research focused on coding and analyzing existing models to calculate confidence intervals on the results of neural networks. The three techniques for determining confidence intervals determination were the non-linear regression, the bootstrapping estimation, and the maximum likelihood estimation. Confidence intervals for non-linear regression, bootstrap estimation, and maximum likelihood were coded in Visual Basic. The neural network used the backpropagation algorithm with an input layer, one hidden layer and an output layer with one unit. The hidden layer had a logistic or binary sigmoidal activation function and the output layer had a linear activation function. These techniques were tested on …

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Development And Evaluation Of Smart Materials For Structural Health Monitoring, Sandilya Hota May 2006

Development And Evaluation Of Smart Materials For Structural Health Monitoring, Sandilya Hota

Graduate Theses, Dissertations, and Problem Reports (ETD)

Most neat resins, including thermoplastics and thermosets are electrical insulators. However, conductive additives or fillers (such as carbon black, carbon fibers) can be added into resins to produce electrically conductive resins and composite materials. At a specific concentration of conductive filler, electroconductive channels are formed and the insulators are turned into semi-conductors. This transformation process can be described within the framework of the percolation theory. The objective of the present study is to develop conductive polymer composites as sensors in terms of change in their electrical resistance as a function of deformation and other parameters for health monitoring and structural …

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Design And Simulation Of Advanced Fault Tolerant Flight Control Schemes, Srikanth Gururajan Jan 2006

Design And Simulation Of Advanced Fault Tolerant Flight Control Schemes, Srikanth Gururajan

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research effort describes the design and simulation of a distributed Neural Network (NN) based fault tolerant flight control scheme and the interface of the scheme within a simulation/visualization environment. The goal of the fault tolerant flight control scheme is to recover an aircraft from failures to its sensors or actuators. A commercially available simulation package, Aviator Visual Design Simulator (AVDS), was used for the purpose of simulation and visualization of the aircraft dynamics and the performance of the control schemes.;For the purpose of the sensor failure detection, identification and accommodation (SFDIA) task, it is assumed that the pitch, roll …

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The Technical Director's Process: An Account Of Wvu Division Of Theatre And Dance's Production Of "Into The Woods"., Justin P. Walsh Jan 2006

The Technical Director's Process: An Account Of Wvu Division Of Theatre And Dance's Production Of "Into The Woods"., Justin P. Walsh

Graduate Theses, Dissertations, and Problem Reports (ETD)

This thesis paper is a written record describing the process that I undertook while serving as technical director for West Virgina University’s production of Into the Wood, including: play synopsis and analysis; the given conditions; descriptions of the individual scenic elements; descriptions of how the effects worked; descriptions of the process including load-in and strike; and a self evaluation. This document is supported with draftings, photographs and other documentation.

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New Latin American Music For The Bassoon (1975-2006): An Annotated Bibliography Of Selected Works., Todd Goranson Jan 2006

New Latin American Music For The Bassoon (1975-2006): An Annotated Bibliography Of Selected Works., Todd Goranson

Graduate Theses, Dissertations, and Problem Reports (ETD)

Upon inspection of the standard collegiate and professional bassoon repertoire in the United States, one observes that most of the solo and chamber works for the instrument are of European or North American origin. While works of Latin American origin have gained a small foothold in the bassoon repertory, it is clear that there is a wealth of new music for bassoon that is largely neglected by North American performers. In the opinion of the author, this phenomenon is not the result of few or inferior compositions for the bassoon originating from these countries; to the contrary, I have concluded …

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Hepatic Α-Aminoadipate Δ-Semialdehyde Synthase Appears To Be Post-Translationally Regulated In Mouse And Chicken., Aaron S. Kiess Jan 2006

Hepatic Α-Aminoadipate Δ-Semialdehyde Synthase Appears To Be Post-Translationally Regulated In Mouse And Chicken., Aaron S. Kiess

Graduate Theses, Dissertations, and Problem Reports (ETD)

 Lysine is the limiting amino acid in many animal diets. Improving the efficiency of lysine use for protein synthesis can reduce feed cost and potentially the nitrogen and phosphorus output of agricultural production systems. Lysine not used for protein synthesis is oxidized, primarily by lysine α-ketoglutarate reductase (LKR). The mechanism(s) responsible for alterations in hepatic LKR activity in rodents and poultry are still unclear. For this reason, studies in both species were conducted to evaluate possible mechanisms responsible for alterations of LKR activity. Mice were fed either a high or adequate protein diet. Mice fed the high protein diet had …

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Development Of A Small Separation Riser For Fine Coal Particles, Haroon Akhtar Jan 2006

Development Of A Small Separation Riser For Fine Coal Particles, Haroon Akhtar

Graduate Theses, Dissertations, and Problem Reports (ETD)

The wet, density based, separation processes employed at the coal preparation plant do not deal with particles under the size of 150 micrometers, resulting in the waste of precious coal resources. An exploratory fluidized bed riser system was developed to separate pyrite from fine coal particles under 150 micrometers in diameter. Gas velocity U0 and solid mass flux G p were the controlled variables so that the flow pattern within the riser was in the transition region from fast fluidization to dilute regime. Nine tests were conducted using coal and nine tests were conducted using a mixture of 10% iron …

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Comparison Between Human Perception Of Risk Of Injury And Niosh Wpg For Lifting Tasks, Viviana Carolina Baggio Jan 2006

Comparison Between Human Perception Of Risk Of Injury And Niosh Wpg For Lifting Tasks, Viviana Carolina Baggio

Graduate Theses, Dissertations, and Problem Reports (ETD)

Low back injuries are highly prevalent in industry, recreational environs and in work at home. It is believed that humans are not able to judge the biomechanical risk of injury inherent with performing lifting tasks. This experiment studies the impact of lifting geometry (e.g., the horizontal, vertical and travel distances of a lift), frequency, gender and age upon an observer's perception of injury risk when looking at a task before attempting a lift. Subjects completed a questionnaire with a series of 54 pictures showing different lifting tasks; subjects then ranked their perceived risk of injury on a scale of 0 …

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Integration Of Statistical And Neural Network Method For Data Analysis, Krishna Kumar Chavali Jan 2006

Integration Of Statistical And Neural Network Method For Data Analysis, Krishna Kumar Chavali

Graduate Theses, Dissertations, and Problem Reports (ETD)

The issues that are to be considered while selecting data analysis methods are data type and expected solution type. Incorrect selection of either can lead to incomplete solution leading user taking an uninformed decision. The software developed for this thesis (SANE - Statistical And NEural network data analysis) is aimed at enabling a user to use advanced data analysis techniques to handle a given research issue. An effective navigation system is designed for user to select the analysis method by responding to a set of questions. SANE provides web based data analysis using statistical and neural networks methods. The statistical …

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Minimizing The Makespan In A Flexible Flowshop With Sequence Dependent Setup Times, Uniform Machines, And Limited Buffers, Bret Crowder Jan 2006

Minimizing The Makespan In A Flexible Flowshop With Sequence Dependent Setup Times, Uniform Machines, And Limited Buffers, Bret Crowder

Graduate Theses, Dissertations, and Problem Reports (ETD)

This research addresses the problem of minimizing the makespan in a flexible flowshop with sequence dependent setup times, uniform machines, and limited buffers. A mathematical model was developed to solve this problem. The problem is NP-Hard in the strong sense and only very small problems could be solved optimally. For exact methods, the computation times are long and not practical even when the problems are relatively small. Two construction heuristics were developed that could find solutions quickly. Also a simulated annealing heuristic was constructed that improved the solutions obtained from the construction heuristics. The combined heuristics could compute a good …

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Performance Measurements Of Web Services, Sarita Damaraju Jan 2006

Performance Measurements Of Web Services, Sarita Damaraju

Graduate Theses, Dissertations, and Problem Reports (ETD)

Web services are rapidly evolving application-integration technologies that allow applications in heterogeneous environments to communicate with each other. In this thesis we perform a measurements-based study of an e-commerce application that uses web services to execute business operations. We use the TPC-W specification to generate a session-based workload. The component level response times and the hardware resource usage on the different machines are measured. The component level response times are extracted from the application server logs. From the results it is seen that as the workload increases the response times of the web services components increase. From the hardware resource …

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Design Of Composite Sandwich Panels For Lightweight Applications In Heavy Vehicle Systems, Thomas H. Evans Jan 2006

Design Of Composite Sandwich Panels For Lightweight Applications In Heavy Vehicle Systems, Thomas H. Evans

Graduate Theses, Dissertations, and Problem Reports (ETD)

Vehicle systems such as cargo freight and platform trailers are a primary source of transporting heavy cargo loads. The construction and materials used in a standard trailer design contribute significantly to the overall weight. The U.S. Department of Energy (DOE) and West Virginia University have conducted joint research to reduce the amount of fuel consumption of cargo transportation trailers by initiating a lightweight materials program. This study is aimed at the utilization of Fiber Reinforced Polymer (FRP) composites and Composite Sandwich technology in conjunction with innovative joining concepts to reduce trailer weight. Finite element modeling and experimental analysis reveal the …

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Empirical Analysis Of Software Reliability, Margaret L. Hamill Jan 2006

Empirical Analysis Of Software Reliability, Margaret L. Hamill

Graduate Theses, Dissertations, and Problem Reports (ETD)

This thesis presents an empirical study of architecture-based software reliability based on large real case studies. It undoubtedly demonstrates the value of using open source software to empirically study software reliability. The major goal is to empirically analyze the applicability, adequacy and accuracy of architecture-based software reliability models. In both our studies we found evidence that the number of failures due to faults in more than one component is not insignificant. Consequently, existing models that make such simplifying assumptions must be improved to account for this phenomenon. This thesis' contributions include developing automatic methods for efficient extraction of necessary data …

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Geosynthetic-Soil Interface Properties For Cohesionless And Cohesive Media, Ronald J. Ingram Jan 2006

Geosynthetic-Soil Interface Properties For Cohesionless And Cohesive Media, Ronald J. Ingram

Graduate Theses, Dissertations, and Problem Reports (ETD)

Applications of geosynthetics have undergone extensive growth over the past 50 years. This study was focused on developing a better understanding the soil---geosynthetic interface properties. Two pullout test devices were built as a part of this study to investigate interface properties during pullout experiments. The objective of the study was to investigate the influence of soil type, geosynthetic type, moisture content, pullout box size, and sample size on the experimentally determined properties of the geosynthetic-soil interfaces. Three types of geosynthetic materials and three types of soils, namely natural sand, silty sand, and clayey sand were used. Geosynthetic materials A and …

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Relationship Between Damper Resistance And Damper Insertion Depth, Ranjit Jangam Jan 2006

Relationship Between Damper Resistance And Damper Insertion Depth, Ranjit Jangam

Graduate Theses, Dissertations, and Problem Reports (ETD)

Experiments were performed to determine a predictive model for sliding gate damper resistance (Xdamper). Independent variables included eight ratios of insertion depth (I) to duct diameter (D), two different values of D, four different levels of air velocity, two damper orientations, and two damper edges (Concave/Straight). Analysis of Log (Xdamper) values showed a highly linear relationship with I/D and high statistical significance (p<0.05) for all independent variables and for most two-way interactions. Nearly the entire regression model (R2 = 0.985) was explained by I/D, so all but I/D and Edge were dropped from the final model: Y Log(Xdamper) = -1.434 + 0.089*(Edge) + 4.30*( I/D) (R2 = 0.978). The resulting predictive model: Xdamper = 0.037*10(0.089*(Edge )+4.3*I/D). However error for untransformed Xdamper increased sharply with increasing (I/D) and percent errors were as high as 125% across all values of (I/D). Hence the predictive models are useful for only initial rough adjustment and should be followed by final trial and error adjustment to goal air flow.

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Enlightened Defense: The National Security *Policy Of Thomas Jefferson, Robert R. Leonhard Jan 2006

Enlightened Defense: The National Security *Policy Of Thomas Jefferson, Robert R. Leonhard

Graduate Theses, Dissertations, and Problem Reports (ETD)

The triumph of Thomas Jefferson and the Democratic Republicans in 1800 left the deposed Federalists aghast at what this Francophile, anti nationalist, reputedly atheistic president might do to the country. Despite Jefferson's impulses toward pacifism, national isolation, the diffusion of political power, and healing faction, the eight years of his two administrations were destined to be as calm as a hurricane. The turbulent situation in Europe had already made a mockery of Washington's advice to avoid entanglement, and during Jefferson's presidency, the dangers only increased.;Jefferson's ideas on national security were diametrically opposed to those of Alexander Hamilton and the Federalists. …

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