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An Automated Damage Detection System For Armoured Vehicle Launched Bridge., Eduard S. Sazonov Jan 2002

An Automated Damage Detection System For Armoured Vehicle Launched Bridge., Eduard S. Sazonov

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dissertation presents a non-destructive automated damage detection system for the Armored Vehicle Launched Bridge. The goal of the system is to automate the damage detection procedure and enable early detection of structural damage. The system would complement the existing visual inspection procedure and eventually replace it. The designed system utilizes the method of strain energy mode shapes as the core damage detection method. The presented research covers both practical design issues and new theoretical developments in the area of non-destructive damage detection using strain energy mode shapes. The dissertation presents a methodology for exciting the structure, acquiring the vibration …

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Narrating Machines: Figurations Of Technology In "1 Henry Vi", "Robinson Crusoe", And "The Matrix"., Robert Patton Fanning Jan 2002

Narrating Machines: Figurations Of Technology In "1 Henry Vi", "Robinson Crusoe", And "The Matrix"., Robert Patton Fanning

Graduate Theses, Dissertations, and Problem Reports (ETD)

This essay attempts to demonstrate a tradition of the narrative use of technological tropes in Anglo-American popular narratives since the Renaissance. A play by William Shakespeare, a narrative by Daniel Defoe, and a recent movie are analyzed and compared to show the varying ways that technology has consistently figured in narrative attempts to address the contemporary social concerns narratively.

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The Effectiveness Of Hypermedia In West Virginia History: A Study Of The Application Of The Hypercard Program, "The Battle Of Philippi"., Timothy Allen Hart Jan 2002

The Effectiveness Of Hypermedia In West Virginia History: A Study Of The Application Of The Hypercard Program, "The Battle Of Philippi"., Timothy Allen Hart

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined the impact of a hypermedia instructional module, a multi-unit HyperCard stack program entitled The Battle of Philippi , on student test performance in West Virginia History. Three instructional methods were implemented: traditional teacher presentation, student self-paced engagement with the computer-based module, and a hybrid instructional method using traditional instruction supplemented with the computer-based program. Students in the hybrid treatment showed the greatest increase in test performance. The self-paced students showed the next greatest increase. Students in the traditional group showed the least increase. Computer anxiety was not a significant predictor of student test performance in West Virginia …

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The Status Of Seamless Articulation Within West Virginia's Education System., Kathy Jo D'Antoni Jan 2002

The Status Of Seamless Articulation Within West Virginia's Education System., Kathy Jo D'Antoni

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to conduct descriptive research that would reflect the current status, facilitators, and barriers of the seamless articulation process occurring in West Virginia's education system. The study provides vital information to education administrators responsible for the implementation of a seamless education system. Community & technical college administrators and secondary school administrators were surveyed to elicit their perceptions as to the importance, implementation level, facilitators, and barriers of seamless articulation. Descriptive statistics were used to conduct the statistical analysis. Evaluation of the data indicated that both administrative groups perceived seamless articulation processes as highly essential. However, …

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A Survey Of Counselor Trainee Preferred Learning Style And Its Relationship To Computer Skills And Technology Use., Traci Berry Jan 2002

A Survey Of Counselor Trainee Preferred Learning Style And Its Relationship To Computer Skills And Technology Use., Traci Berry

Graduate Theses, Dissertations, and Problem Reports (ETD)

Computer use by counselors has dramatically increased over the years. A review of the literature has demonstrated the importance of computer and technology-related competencies for professional counselors. The purpose of this study is to examine the preferred learning styles of counselors-in-training along with their attitudes toward computers and technology use to determine if there is a relationship between their preferred learning styles and technology use. This study also examined the attitudes that counselors-in-training had about technology to determine if these attitudes affect the use of computers and/or their desire to learn how to use computers in training. Counselors-in-training from 6 …

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Investigation Of Techniques To Improve Measurement Accuracy Of Nitric Oxide, Nitrogen Dioxide And Nitrogen Oxide Emissions From Heavy-Duty Diesel Engines., Praveen Rampatna Narasimhamurthy Jan 2002

Investigation Of Techniques To Improve Measurement Accuracy Of Nitric Oxide, Nitrogen Dioxide And Nitrogen Oxide Emissions From Heavy-Duty Diesel Engines., Praveen Rampatna Narasimhamurthy

Graduate Theses, Dissertations, and Problem Reports (ETD)

Nitric oxide (NO) and nitrogen dioxide (NO2), commonly referred to as NOx, are known to be harmful to human health. Oxides of nitrogen also rate among the principal agents of photochemical smog. Consequently, the Federal standards for NOx emissions have become increasingly stringent and have been lowered from 6.0 g/bhp-hr in 1990 to 0.2 g/bhphr in 2007. Engine out NOx emissions from diesel engines are typically composed of about 95% of NO and 5% NO2. However, under low load and speed conditions, as in present urban day driving, the NO2 component of NOx can be as high as 30%. Considering …

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A Parametric Study Of Cutting Transport In Vertical And Horizontal Well Using Computational Fluid Dynamics (Cfd)., Md. Wazed Ali Jan 2002

A Parametric Study Of Cutting Transport In Vertical And Horizontal Well Using Computational Fluid Dynamics (Cfd)., Md. Wazed Ali

Graduate Theses, Dissertations, and Problem Reports (ETD)

Efficient transportation of cuttings is a vital factor for a good drilling program. Cutting transport in annulus is a complex problem that is affected by numerous parameters. Predicting effective cuttings transport requires all of these parameters to be considered simultaneously. To better understand the effects of some of the parameters affecting the cutting transportation, a combination of casing-drill pipe annulus section was simulated and a model called ‘discrete phase model’ was used to observe the transportation of cuttings in the annulus. Tests were conducted to determine the effects of mud weight, particle size, drilling rate and viscosity on cutting transportation …

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On The Edge Of Chaos: A Delphi Study Of The Changing Role Of The Secondary Principal., Rebecca H. Goodwin Jan 2002

On The Edge Of Chaos: A Delphi Study Of The Changing Role Of The Secondary Principal., Rebecca H. Goodwin

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to describe the changing role of the secondary principal. The study examined the contemporary high school principalship and described changes in the principalship, the role of the contemporary principal, and the preferred future for the principalship. Recognizing the complexity of the position, the study also used chaos and complexity theory to critically analyze the findings and to discern if the theory provided an understanding of these changes and their impact. This was a mixed-method two-stage study conducted electronically with both qualitative and quantitative instruments. The first stage used the Delphi method of research to …

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A Study Of The Relationship Between Job Satisfaction And Selected Demographics Of West Virginia Teachers And Their Intent To Stay In The Teaching Profession., Kevin Joe Smith Jan 2002

A Study Of The Relationship Between Job Satisfaction And Selected Demographics Of West Virginia Teachers And Their Intent To Stay In The Teaching Profession., Kevin Joe Smith

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to examine the relationships between job satisfaction and selected demographics of West Virginia teachers and their intent to stay in the teaching profession. Teacher demographics collected included age, number of dependent children, type of educator, grade level, subjects taught, education level, teaching experience, and household income. Teacher intent to stay in the teaching profession, teacher demographics, and overall job satisfaction were both collected using the Smith Teacher Intent to Stay Inventory. Intrinsic, extrinsic, and overall job satisfactions were assessed using the Smith Job Satisfaction Scale. The Smith Teacher Intent to Stay Inventory and the …

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A Tabu Search Approach For The Dynamic Space Allocation Problem., Juan R. Jaramillo Jan 2002

A Tabu Search Approach For The Dynamic Space Allocation Problem., Juan R. Jaramillo

Graduate Theses, Dissertations, and Problem Reports (ETD)

The dynamic space allocation problem (DSAP) is the assigning of activities to workspaces and idle resources to storage spaces while minimizing the total distance traveled by the resources during project duration. The inputs of the DSAP are: the schedule of project activities and the resources required to perform the activities, the layout of the floor plan, the capacity of the storage spaces, and the distances between locations. The output is a sequence of layouts containing the assignments of the activities and their resources to workspaces, as well as the idle resources to storage spaces. The DSAP is related to some …

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The Longest Distance Between Two Points., David Lee Chance Jan 2002

The Longest Distance Between Two Points., David Lee Chance

Graduate Theses, Dissertations, and Problem Reports (ETD)

The Longest Distance Between Two Points is a collection of short fiction and nonficiton stories written between spring semester of 2000 and spring semester of 2002 and compiled for my master's thesis. Three of the pieces were written for this collection and the other two are revisions of works composed for graduate writing workshops. The stories all deal with people who have some type of personal limitation that causes them to have trouble functioning in the world. Some of the themes that are explored in these stories are poverty, addiction, mental illness, language barriers and physical handicaps. Each story deals …

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A New Approach For Training And Testing Artificial Neural Networks For Permeability Prediction., Ademola Akinwumi Oyerokun Jan 2002

A New Approach For Training And Testing Artificial Neural Networks For Permeability Prediction., Ademola Akinwumi Oyerokun

Graduate Theses, Dissertations, and Problem Reports (ETD)

Although many attempts have been made in the recent years for permeability prediction using Artificial Neural Network (ANN), none of the approaches has employed prespecified test set instead of a randomly generated test set. The methodology for selecting proper pre-specified test set was presented in chapter four of this report. The pre-specified test sets were chosen from a plot of log of permeability versus density. This approach was explicitly discussed later in the report. In this study, a pre-specified test set approach for training the network for field applicability has been developed using inputs from electric logs and flow unit …

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The Effects Of Process Parameters On Steel Welding Response In Curved Plates., Mokhtar Awang Jan 2002

The Effects Of Process Parameters On Steel Welding Response In Curved Plates., Mokhtar Awang

Graduate Theses, Dissertations, and Problem Reports (ETD)

In large steel fabrication industries such as shipbuilding, and high-speed train guideway, the problem of residual stresses and overall distortion has been and continues to be a major issue. In the last few decades, various research efforts have been directed at the control of the welding process parameters aiming at reducing the distortions and residual stress effects. Yet, in actual practice, large amounts of resources are still being spent in reworking welds, which in turn increases the production cost and delays work completion. It is assumed that in order to reduce the residual stresses and distortions from a welding operation, …

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Developmental Versus Prescriptive Advising: An Investigation Of Advising Delivery At A Major University., Kristi Doniel Wood Jan 2002

Developmental Versus Prescriptive Advising: An Investigation Of Advising Delivery At A Major University., Kristi Doniel Wood

Graduate Theses, Dissertations, and Problem Reports (ETD)

Academic advising is an essential connection between student and university. Two types of advising, prescriptive and developmental, are examined in relation to the level of advising (pre-major versus major) and type of advisor (full time advisors or parttime graduate student advisors for pre-majors, and faculty or full-time department advisors for majors) in four academic areas selected for contrast in advising approaches at a large land grant institution. Questionnaires were developed, piloted, finalized, and administered to select upper division students and their pre-major and major advisors concerning the types of advising practiced and student perceptions of each. Results showed that full-time …

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The Relationship Of Superintendent Instructional Leadership Behavior And Student Achievement In High-Performing High Schools That Work Network Public High Schools In West Virginia., Steven Louis Paine Jan 2002

The Relationship Of Superintendent Instructional Leadership Behavior And Student Achievement In High-Performing High Schools That Work Network Public High Schools In West Virginia., Steven Louis Paine

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this study was to determine instructional leadership behaviors that West Virginia school superintendents employ in leading principals in school districts containing high performing High Schools That Work Network public high schools and to determine what relationship exists between superintendent instructional leadership behaviors and student achievement based on the High Schools That Work Assessments. Data derived from 20 pairs of superintendents and principals from high performing High Schools That Work Network public high schools were analyzed to determine superintendent instructional leadership behaviors that related to student achievement. Statistically significant relationships were determined between superintendents and principals for instructional …

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The Development And Validity Testing Of The Risk Communicator Style Scale And The Risk Knowledge Index., Jason Steven Wrench Jan 2002

The Development And Validity Testing Of The Risk Communicator Style Scale And The Risk Knowledge Index., Jason Steven Wrench

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study examined the current lack of quantitative research in the area of risk communication. This study set out to develop and then validate two different scales that could be used for future research in the area of risk communication. The first scale created in this study is the Risk Communicator Style Scale. The scale is based on the technical and democratic models of risk communication described by Fiorino (1989). This study found a conceptual problem with Fiorino's original conceptualization of technical risk communication. Fiorino's original conceptualization of technical communication tried to equate the use of scientific and statistical information …

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Emergent Planning In Baccalaureate, General, Private, Not-For-Profit Colleges In The United States Of America., Reginald John Urbanowski Jan 2002

Emergent Planning In Baccalaureate, General, Private, Not-For-Profit Colleges In The United States Of America., Reginald John Urbanowski

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study employed a method of analysis and development to develop the model of emergent planning. The study was exploratory in nature and therefore directed at uncovering a research process that was sensitive to the unique features of higher education and strategic planning. Triangulation involved the development of concepts from the literature, analysis of analogies, and the analysis of a survey. Fifty concepts were developed based on five principal tenets. These concepts were developed from literature in the social and business sciences. The analogy research was based on the analysis of three primary terms and five secondary terms that have …

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The Effect Of Math Anxiety, Math Self -Efficacy, And Computer -Assisted Instruction On The Ability Of Undergraduate Nursing Students To Calculate Drug Dosages., James Edward Hodge Jan 2002

The Effect Of Math Anxiety, Math Self -Efficacy, And Computer -Assisted Instruction On The Ability Of Undergraduate Nursing Students To Calculate Drug Dosages., James Edward Hodge

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study investigated the effect of math anxiety, math self-efficacy, and computer-assisted instruction on the ability of undergraduate nursing students to calculate drug dosages. The population of the study consisted of undergraduate nursing students at Mountain State University (N = 122), while the sample included students enrolled in a Math Topics for Nurses course during the Spring Semester of 2002 (n = 40). Mountain State University is a small, private university located in Beckley, West Virginia. Participants completed the Math Anxiety Scale (MAS), Math Self-Efficacy Scale (MSES) and a Drug Dosage Calculation Exam. Fennema and Sherman (1976) created the Math …

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Development Of Mechanistic-Empirical Damage Assessment Procedures For Crc Pavements With Emphasis On Traffic Loading Characteristics., Olga I. Selezneva Jan 2002

Development Of Mechanistic-Empirical Damage Assessment Procedures For Crc Pavements With Emphasis On Traffic Loading Characteristics., Olga I. Selezneva

Graduate Theses, Dissertations, and Problem Reports (ETD)

Edge punchout has been long recognized as the prevailing mode of structural failure in Continuously Reinforced Concrete Pavements (CRCP) and yet, has remained relatively unexplored and unexplained. The existing design and evaluation procedures for CRCP employ American Association of State Highway Transportation Officials (AASHTO) equations for the jointed concrete pavements and the Equivalent Single Axle Load (ESAL) approach that will neither predict nor address edge punchouts. A comprehensive procedure for prediction of CRCP structural deterioration based on fundamental mechanical principles was developed in this study. This procedure directly considers the key design factors and site conditions affecting formation of edge …

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Exchange Bias And Its Angular Dependence In Iron Zinc Fluoride/Cobalt Bilayers., Hongtao Shi Jan 2002

Exchange Bias And Its Angular Dependence In Iron Zinc Fluoride/Cobalt Bilayers., Hongtao Shi

Graduate Theses, Dissertations, and Problem Reports (ETD)

When materials with antiferromagnetic (AF)/ferromagnetic (F) interfaces are cooled through the Neel temperature (TN) of the AF in a magnetic field, a unidirectional magnetic exchange anisotropy (EA) is induced in the F layers. Such anisotropy is manifested by a shift of the center of the F hysteresis loop by an amount known as exchange bias HE. Exchange anisotropy has attracted much attention in the last decade due to its applications in magnetic random access memory, permanent magnets, and magnetic recording media. Despite this interest, the basic mechanism responsible for EA is not well understood. In this thesis the EA is …

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Robust Decentralized Control Of Power Systems Through Excitation Systems And Thyristor Controlled Series Capacitors, Lingling Fan Dec 2001

Robust Decentralized Control Of Power Systems Through Excitation Systems And Thyristor Controlled Series Capacitors, Lingling Fan

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of this work is robust decentralized control of power systems through excitation systems and Thyristor Controlled Series Capacitors (TCSC). Hence the dissertation consists of two parts. In the first part an algorithm for the design of nonlinear decentralized excitation control is developed based on a feedback linearization technique. Feedback linearization technique is applied in excitation control of each generator to obtain an interconnected system where subsystems have linear system matrices and interconnections are represented by nonlinear terms. Different ways of achieving decentralization are investigated: (1) linear robust control combined with observer decoupled state space; (2) disturbance accommodation control. …

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Large -Eddy Simulation Of Ship Wakes, Shaoping Shi Dec 2001

Large -Eddy Simulation Of Ship Wakes, Shaoping Shi

Graduate Theses, Dissertations, and Problem Reports (ETD)

The objective of the present study is to improve our understanding of turbulent wake flows. Large-Eddy Simulation (LES) technique is applied for this purpose. A readily available code was used with necessary modifications. Three dimensional incompressible Navier-Stokes equations are solved in non-orthogonal curvilinear coordinates. Finite-volume approach is implemented on a non-staggered grid. The core of the numerical scheme is a fractional step method. The overall accuracy of the method is second order in both space and time.;The LES approach has been validated for four cases: channel flow, flow past a square body, a shear layer flow, and open channel flow. …

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Spatial And Temporal Analysis Of Radial Growth In An Appalachian Watershed, Desta Beyene Fekedulegn Dec 2001

Spatial And Temporal Analysis Of Radial Growth In An Appalachian Watershed, Desta Beyene Fekedulegn

Graduate Theses, Dissertations, and Problem Reports (ETD)

This dendrochronological study used dated and measured tree-ring data to examine relationships between radial growth and climate for four hard wood species, yellow-poplar, northern red oak, chestnut oak and red maple, growing on contrasting topographic aspects of a watershed in north-central West Virginia.;The study showed that all species except northern red oak showed significant differences in growth between the mesic and xeric aspects. Where significant differences were found all except chestnut oak exhibited higher growth rates at the mesic aspect.;Yellow-poplar showed a sharp decline in growth from late 1950's to late 1960's, which was evidently caused by several years of …

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Effects Of Baffles On Damping Lateral Fluid Sloshing Oscillations In Tanker Trucks, Rohit Kumar Tanugula Dec 2001

Effects Of Baffles On Damping Lateral Fluid Sloshing Oscillations In Tanker Trucks, Rohit Kumar Tanugula

Graduate Theses, Dissertations, and Problem Reports (ETD)

Partially filled heavy-duty tanker trucks maneuvering constant radius turns or lane change maneuvers have lower rollover threshold than other vehicles because of the high center of gravity and dynamic sloshing of the liquid payload. Payloads are often toxic and hence, rollover accidents can be catastrophic. Therefore, attempts to increase the threshold velocity and predicting its value under various on-road maneuvers are of paramount importance.;This research was aimed at studying the effects of baffles on reducing the lateral sloshing and thereby, improving the stability of heavy-duty trucks. Various configurations (horizontal, vertical, horizontal and vertical, and diagonal) of baffles were considered for …

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Exploring Object-Oriented Gis For Watershed Resource Management, Nalishebo Nally Kaunda Dec 2001

Exploring Object-Oriented Gis For Watershed Resource Management, Nalishebo Nally Kaunda

Graduate Theses, Dissertations, and Problem Reports (ETD)

The adoption of object-oriented programming for spatial technological advancement is an emerging trend in GIS. This research seeks to explore Object-Oriented GIS (OOGIS) and its potential application in watershed resource management. OOGIS provides a more intuitive and realistic abstraction of real world features as intelligent objects. The ability to embed behavior, geometry, and attribution with the objects provides considerable advantages in the processing and analysis of geospatial data. The main objective of this research was to design a prototype OOGIS for watershed resource management using the object relational Arclnfo 8.1 Geodatabase. The study builds on the OOGIS concepts of inheritance, …

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Multifractal Analysis Of Memory Usage Patterns, Jonathan Browning Crowell Dec 2001

Multifractal Analysis Of Memory Usage Patterns, Jonathan Browning Crowell

Graduate Theses, Dissertations, and Problem Reports (ETD)

The discovery of fractal phenomenon in computer-related areas such as network traffic flow leads to the hypothesis that many computer resources display fractal characteristics. The goal of this study is to apply fractal analysis to computer memory usage patterns. We devise methods for calculating the Holder exponent of a time series and calculating the fractal dimension of a plot of a time series. These methods are then applied to memory-related data collected from a Unix server. We find that our methods for calculating the Holder exponent of a time series yield results that are independently confirmed through calculation of the …

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Kinematic Synthesis Of A Well Service Machine, Prashanth Kaparthi Dec 2001

Kinematic Synthesis Of A Well Service Machine, Prashanth Kaparthi

Graduate Theses, Dissertations, and Problem Reports (ETD)

Blowout preventers are used in the oil well industry to prevent accidental oil fires, and guide valves are assembled atop the preventers. The current solution is to use cranes, as this is time-consuming and expensive, a solution using an appropriate four-bar mechanism for this purpose was contemplated, using Burmester theory and the four-position synthesis method.;The angles and distance of the four positions were calculated and the data obtained was specified as input for the synthesis of the four-bar mechanism using four-position synthesis programmed in MATLAB(TM). The moving pivots (k) and the ground pivots (m) were obtained from the program and …

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Toward High-Definition Reservoir Characterization, Gheorghe Luca Dec 2001

Toward High-Definition Reservoir Characterization, Gheorghe Luca

Graduate Theses, Dissertations, and Problem Reports (ETD)

A new methodology for high resolution reservoir characterization is proposed. It combined the advantages of the surface seismic (low resolution, large coverage) and crosswell seismic (improved resolution, small coverage).;The process involves deconvolution of a low resolution signal (surface seismic traces) into a high resolution crosswell seismic trace. The problem has multiple solutions and an analytical solution is hard or difficult to be developed.;This project proved that it is possible to predict high-resolution crosswell seismic traces using low-definition surface seismic traces. The statistical comparison between the real and the synthetic crosswell seismic traces gives confidence that future work in this area …

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Study Of The Rheological Properties Of Nomex Fibrids, Long Han Dec 2001

Study Of The Rheological Properties Of Nomex Fibrids, Long Han

Graduate Theses, Dissertations, and Problem Reports (ETD)

Paints and caulks typically contain (spherical) fumed silica particulates as viscosity enhancers. A similar viscosity enhancement can be achieved by using aramid fibrids. Aramid fibrids are believed to form microstructures in suspensions because of the "space-filling" nature of their shapes and thus provide a convenient means of introducing desired rheological behavior for various commercial applications.;The flow responses of aramid fibrids dispersed in mixtures of corn syrup and water were determined in dynamic shear, steady shear, low shear capillary, and extensional stretching flows. Yield stress, strong shear thinning, thixotropy, and strong dispersion effects were observed, and these are consistent with observed …

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Large -Eddy Simulation Of A Three-Dimensional Compressible Tornado Vortex, Jianjun Xia Dec 2001

Large -Eddy Simulation Of A Three-Dimensional Compressible Tornado Vortex, Jianjun Xia

Graduate Theses, Dissertations, and Problem Reports (ETD)

Large-Eddy simulation (LES) has become a very useful tool for investigating tornadoes, one of the more spectacular and destructive phenomena of nature. A new three-dimensional, unsteady, compressible model is generated to determine how significant the differences between compressible and incompressible LES simulations may be in some extremely violent tornadoes. In particular, this study seeks to determine how high the Mach number within the tornado may become before significant changes occur due to compressibility, and what the major effects of these changes may be expected to be.;After developing and verifying the compressible LES model, three different patterns of tornadic corner flows …

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