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Articles 4021 - 4050 of 6346
Full-Text Articles in Engineering
Session 1d: Biology, Kentucky Water Resources Research Institute, University Of Kentucky
Session 1d: Biology, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Annual Symposium
- Long-Term Assessments and Seasonal Variations of Polychlorinated Biphenyls (PCBs) in Water, Sediments, Floodplain Soils, and Sentinel Fish Species from Big and Little Bayou Creeks, McCracken County, Kentucky, D.J. Price, Dept of Biology, UK
- Characterization of total dissolved solids (TDS) toxicity to Ceriodaphnia dubia associated with effluent discharges from a meat packaging industry, Agus Sofyan and David Price, Dept of Biology, UK
- Wilson Creek Restoration and the Response in Food Web Function and Fish Community Structure, Wesley Daniel and Jeff Jack, Dept of Biology and Center for Environmental Science, U of L
Session 1c: Epscor Projects, Kentucky Water Resources Research Institute, University Of Kentucky
Session 1c: Epscor Projects, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Annual Symposium
- Colloidal Arsenic in Poultry-Litter Amended Soils, Lisa Y. Blue and others, Dept of Chemistry, UK
- Environmental Monitoring and Assessment of Arsenic Metal in Groundwater Samples from Ballard, Carlisle, and Graves Counties, Kentucky, H.B. Fannin and others, Dept of Chemistry, Murray State University
- Environmental Monitoring and Assessment of the Groundwater Quality in Calloway County, Kentucky, Dan Kotter and others, KGS, Henderson, KY
- Land-Use Effects on Water Quality Within Lower Howard Creek Watershed, Southwestern Clark County, Kentucky, S.D. Daugherty and J.S. Dinger, Dept Earth & Environmental Sciences and KGS, UK
Session 1b: Student Research Projects, Kentucky Water Resources Research Institute, University Of Kentucky
Session 1b: Student Research Projects, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Annual Symposium
- Experimental Study of the Impact of Upland Sediment Supply upon Cohesive Streambank Erosion Part I: Fluid Turbulence, Brian Belcher and Jimmy Fox, Dept of Civil Engineering, UK
- Toward Using a Three-Dimensional Numerical Model for Simulating Hydrodynamics Near a Dam for Constructing the Rating Curve, Z.S. Shao and S.A. Yost, Dept of Civil Engineering, UK
- Property Taxation and Forest Fragmentation in Kentucky Watersheds, Scott Brodbeck and Tamara Cushing, Dept of Forestry, UK
- Solute and Particle Tracer Movement Under Various Flow Conditions in a Karst Groundwater Basin, Inner Bluegrass Region, Kentucky, J.W. Ward and others, Dept Earth and …
Session 1a: Microbial Source Tracking, Kentucky Water Resources Research Institute, University Of Kentucky
Session 1a: Microbial Source Tracking, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Annual Symposium
- Detecting Multiple Source Origins from Fecal Bacteria Antibiotic Resistance Patterns, Sloane Ritchey and M.S. Coyne, Environmental Research Institute, EKU and Dept of Plant and Soil Sciences, UK
- Microbial Source Tracking; Limits and Application, Steve Evans, Third Rock Consultants, Lexington
- Triplett Creek Focus Study, Brian Reeder and April Haight, Institute for Regional Analysis and Public Policy, Morehead State University
Proceedings Of 2007 Kentucky Water Resources Annual Symposium, Kentucky Water Resources Research Institute, University Of Kentucky
Proceedings Of 2007 Kentucky Water Resources Annual Symposium, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Annual Symposium
This conference was planned and conducted as part of the state water resources research annual program with the support and collaboration of the Department of the Interior, U.S. Geological Survey and the University of Kentucky Research Foundation, under Grant Agreement Number 06HQGR0087.
The views and conclusions contained in this document and presented at the symposium are those of the abstract authors and presenters and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government or other symposium organizers and sponsors.
Characterization Of Dairy Milk House Waste Water In Kentucky, Anshu Singh, Czarena L. Crofcheck, Gail M. Brion
Characterization Of Dairy Milk House Waste Water In Kentucky, Anshu Singh, Czarena L. Crofcheck, Gail M. Brion
Biosystems and Agricultural Engineering Faculty Publications
This study focuses on characterization of milk house waste water from eight different farms in Kentucky. The farms were separated into three groups based on the number of cows: small (20-30), medium (30-60), and large (over 60 cows). Samples were collected once a month from four farms and twice a month from the remainder. Samples were analyzed for chemical, biochemical, and microbiological characteristics. Results indicated a large and significant variation in the chemical and microbiological characteristics between the farms. Farm size had a significant effect on the nutrient content of the waste water. Though samples exhibited seasonal variation, there was …
Dairy Waste Utilization Management Tool, José R. Bicudo, Anshu Singh
Dairy Waste Utilization Management Tool, José R. Bicudo, Anshu Singh
Agricultural Engineering Extension Publications
Quick tests enabling rapid, on‑farm assessment of manure nutrient content can significantly enhance manure management practices. Rapid or quick tests are less accurate than standard laboratory analyses but can be useful as a manure utilization tool.
Evaluation Of Linking Pavement Related Databases, Yuhong Wang, David L. Allen
Evaluation Of Linking Pavement Related Databases, Yuhong Wang, David L. Allen
Kentucky Transportation Center Research Report
In general, the objectives of this study were to identify and solve various issues in linking pavement performance related database. The detailed objectives were: to evaluate the state-of-the-art in information technology for data integration and data mining, to review the existing KyTC databases and study their potentiality for being linked for pavement performance evaluation, to prepare data linking alternatives for the KyTC’s review, to prepare an implementation plan for linking pavement related databases. The study reviewed the current practices of data integration by other organizations that face the similar challenges as KyTC. In addition, a review was conducted of the …
Evaluation Of Geophysical Methods And Geophysical Contractors On Four Projects In Kentucky, David L. Allen
Evaluation Of Geophysical Methods And Geophysical Contractors On Four Projects In Kentucky, David L. Allen
Kentucky Transportation Center Research Report
This report details four geophysical testing projects that were conducted in Kentucky for the Kentucky Transportation Cabinet. The four projects were as follows: KY 101, Edmonson and Warren Counties, US 31-W, Elizabethtown Bypass, Hardin County, KY 61, LaRue County, and US 27, Pulaski County.
Two contractors conducted the investigations for this study and they were as follows: KY 101 – (PELA) Electrical Resistivity and Microgravity, US 31-W – (CCKS) Microgravity, KY 61 – (CCKS) Electrical Resistivity and Microgravity, and US 27 – (CCKS) Electrical Resistivity and Microgravity.
These two methods preformed well and this report recommends that these geophysical methods …
The International Fuel Tax Agreement (Ifta) And International Registration Plan (Irp): Allocating Commercial Fuel Tax And Registration Fee Payments Across Multiple Jurisdictions, Lenahan O'Connell, Juita-Elena Wie Yusuf, Merl Hackbart
The International Fuel Tax Agreement (Ifta) And International Registration Plan (Irp): Allocating Commercial Fuel Tax And Registration Fee Payments Across Multiple Jurisdictions, Lenahan O'Connell, Juita-Elena Wie Yusuf, Merl Hackbart
Kentucky Transportation Center Research Report
This report provides: (1) an overview of the IFTA and IRP processes for allocating fuel tax revenues across jurisdictions; and (2) an assessment of these systems in regard to their effectiveness at allocating the tax and fee burden among commercial carriers in an efficient and accurate manner. Three aspects of the system were assessed by answering the following questions: (1) Is the system effectively fostering cooperation among the 58 jurisdictions governed by the IFTA and IRP agreements? (2) Is it effectively promoting the allocation of tax burdens and payments among the jurisdictions? and (3) Is it effectively collecting tax payments …
Process For The Continuous Production Of Aligned Carbon Nanotubes, David N. Jacques, Rodney Andrews
Process For The Continuous Production Of Aligned Carbon Nanotubes, David N. Jacques, Rodney Andrews
Center for Applied Energy Research Faculty Patents
Novel methods and apparati for continuous production of aligned carbon nanotubes are disclosed. In one aspect, the method comprises dispersion of a metal catalyst in a liquid hydrocarbon to form a feed solution, and volatilizing the feed solution in a reactor through which a substrate is continuously passed to allow growth of nanotubes thereon. In another aspect, the apparatus comprises a reactor, a tube-within-a-tube injector, and a conveyor belt for passing a substrate through the reactor. The present invention further discloses a method for restricting the external diameter of carbon nanotubes produced thereby comprising passing the feed solution through injector …
Grounding Justice In Public Meeting Practice, Ted H. Grossardt, Keiron Bailey
Grounding Justice In Public Meeting Practice, Ted H. Grossardt, Keiron Bailey
Kentucky Transportation Center Faculty and Researcher Publications
John Rawl’s A Theory of Justice, and Justice as Fairness were originally intended to promote a political structure of liberal democracy. Taken together with Habermas’ idea of ’discourse ethics’, this work has constituted a fundamental aspect of the communicative approach in the planning discipline over the past 20 years. While their work is quite theoretical, it need not be detached from the reality of day- to-day practice. We agree with O’Neill that the work toward greater justice and fairness is eminently practical, and so should derive from their work. In particular, we are interested in advancing justice/fairness in the arena …
Culture, Justice And The Arnstein Gap: The Impact Of Structured Public Involvement On U.S. Transportation Infrastructure Planning And Design, Keiron Bailey, Ted H. Grossardt
Culture, Justice And The Arnstein Gap: The Impact Of Structured Public Involvement On U.S. Transportation Infrastructure Planning And Design, Keiron Bailey, Ted H. Grossardt
Kentucky Transportation Center Faculty and Researcher Publications
Enormous quantities of public money are spent on transportation infrastructure (TI). According to the Bureau of Transportation Statistics this infrastructure spend in the U.S. amounted to almost $90 billion in 2001. In most political spheres, when public money is spent, the public demands a measure of accountability. The dimensions of this accountability depend on the character of the political system that funds TI. In most participatory democracies, ultimate accountability is exercised through a balloting system that ensures elected officials represent, to some degree, stakeholder views and preferences. However, despite enormous expenditure of public monies on TI, this type of accountability …
Lectures In Computational Fluid Dynamics Of Incompressible Flow: Mathematics, Algorithms And Implementations, James M. Mcdonough
Lectures In Computational Fluid Dynamics Of Incompressible Flow: Mathematics, Algorithms And Implementations, James M. Mcdonough
Mechanical Engineering Textbook Gallery
From Prologue:
The present lecture notes are written to emphasize the mathematics of the Navier–Stokes (N.–S.) equations of incompressible flow and the algorithms that have been developed over the past 30 years for solving them.
Introductory Lectures On Turbulence: Physics, Mathematics And Modeling, James M. Mcdonough
Introductory Lectures On Turbulence: Physics, Mathematics And Modeling, James M. Mcdonough
Mechanical Engineering Textbook Gallery
From Chapter 1:
The understanding of turbulent behavior in flowing fluids is one of the most intriguing, frustrating— and important—problems in all of classical physics.
The problem of turbulence has been studied by many of the greatest physicists and engineers of the 19th and 20th Centuries, and yet we do not understand in complete detail how or why turbulence occurs, nor can we predict turbulent behavior with any degree of reliability, even in very simple (from an engineering perspective) flow situations. Thus, study of turbulence is motivated both by its inherent intellectual challenge and by the practical utility of a …
Kentucky Water Resources Research Institute Annual Technical Report Fy 2006, Kentucky Water Resources Research Institute, University Of Kentucky
Kentucky Water Resources Research Institute Annual Technical Report Fy 2006, Kentucky Water Resources Research Institute, University Of Kentucky
KWRRI Annual Technical Reports (USGS’s 104b Grant Program)
The 2006 Annual Technical Report for Kentucky consolidates reporting requirements of the Section 104(b) base grant award into a single techincal report that includes: 1) a synopsis of each student research enhancement project conducted during the period, 2) citations for related reports and presentations, 3) a description of information transfer activities, 4) a summary of student support during the reporting period, 5) notable awards and achievements during the year, and 6) publications from prior projects.
Justice And The Public's Involvement In Infrastructure Planning: An Analysis And Proposal, Ted H. Grossardt, Keiron Bailey
Justice And The Public's Involvement In Infrastructure Planning: An Analysis And Proposal, Ted H. Grossardt, Keiron Bailey
Kentucky Transportation Center Faculty and Researcher Publications
The authors find that there is a gap between expectations and actual results in terms of public involvement processes. They suggest more structured public involvement techniques. A case study of documenting citizen's aesthetic preferences illustrates their suggestions.
Route Disruption Analysis, Adam Kirk, Mei Chen
Route Disruption Analysis, Adam Kirk, Mei Chen
Kentucky Transportation Center Research Report
In today’s society, transportation has become a vital component of our economy, our national defense, our emergency response systems, and our day-to-day life. Disruption of major highway systems can have serious social, health, economic, security, and environmental consequences. Disruption of highway systems can result from natural or man-made causes, and it may be intentional or unintentional. Examples of the wide-ranging causes of highway disruption include weather, natural disasters, vehicle crashes, hazardous material spills, barge impacts with bridge piers, and acts of terrorism. Disruption of key transportation chokepoints, such as bridges or tunnels, could have disastrous impacts on Kentucky. With this …
Kentucky Traffic Collision Facts 2007 Report, Kentucky Transportation Center, Kentucky State Police
Kentucky Traffic Collision Facts 2007 Report, Kentucky Transportation Center, Kentucky State Police
Kentucky Transportation Center Research Report
KENTUCKY’S TRAFFIC COLLISION FACTS report for 2007 is based on collision reports submitted to the Kentucky State Police Records Branch. As required by Kentucky Revised Statutes 189.635, “every law enforcement agency whose officers investigate a vehicle accident of which a report must be made...shall file a report of the accident...within ten days after investigation of the accident upon forms supplied by the bureau.” The stated purpose of this requirement is to utilize data on traffic collisions for such purposes as will improve the traffic safety program in the Commonwealth. Data contained in this report are based solely on the observations …
An Effective Cache For The Anywhere Pixel Router, Vijai Raghunathan
An Effective Cache For The Anywhere Pixel Router, Vijai Raghunathan
Theses and Dissertations--Electrical and Computer Engineering
Designing hardware to output pixels for light field displays or multi-projector systems is challenging owing to the memory bandwidth and speed of the application. A new technique of hardware that implements ‗anywhere pixel routing‘ was designed earlier at the University of Kentucky. This technique uses hardware to route pixels from input to output based upon a Look up Table (LUT). The initial design suffered from high memory latency due to random accesses to the DDR SDRAM input buffer. This thesis presents a cache design that alleviates the memory latency issue by reducing the number of random SDRAM accesses.
The cache …
Capacitance Metrology Of Curved Surfaces: Study And Characterization Of A Novel Probe Design, Philip T. Smith Jr.
Capacitance Metrology Of Curved Surfaces: Study And Characterization Of A Novel Probe Design, Philip T. Smith Jr.
University of Kentucky Doctoral Dissertations
Capacitive sensors are frequently applied to curved target surfaces for precision displacement measurements. In most cases, these sensors have not been recalibrated to take the curvature of the target into consideration. This recalibration becomes more critical as the target surface becomes smaller in comparison to the sensor. Calibration data are presented for a variety of capacitance probe sizes with widely varying geometries. One target surface particularly difficult to characterize is the inner surface of small holes, less than one millimeter in diameter. Although contact probes can successfully measure the inner surface of a hole, these probes are often fragile and …
Economic Analysis Of Cellulase Production Methods For Bio-Ethanol, Jun Zhuang, Mary A. Marchant, Sue E. Nokes, Herbert J. Strobel
Economic Analysis Of Cellulase Production Methods For Bio-Ethanol, Jun Zhuang, Mary A. Marchant, Sue E. Nokes, Herbert J. Strobel
Biosystems and Agricultural Engineering Faculty Publications
The cost of cellulase enzymes has limited the feasibility of producing ethanol from fibrous biomass. Traditional submerged fermentation (SmF) was compared to an alternative method of producing cellulase, solid state cultivation (SSC). Results from an economic analysis indicated that the unit costs for cellulase enzyme production were $15.67 (The prices are all 2004 prices in this article, except otherwise stated. We deflated newer prices to 2004 prices using a deflation factor 0.9 per year and inflated older prices to 2004 prices using an inflation factor 1.1.) per kilogram ($/kg) and $40.36/kg, for the SSC and SmF methods, respectively, while the …
Characterization And Flow Physics Of Plasma Synthetic Jet Actuators, Arvind Santhanakrishnan
Characterization And Flow Physics Of Plasma Synthetic Jet Actuators, Arvind Santhanakrishnan
University of Kentucky Doctoral Dissertations
Plasma synthetic jet actuators are investigated experimentally, in which the geometrical design of single dielectric barrier discharge (SDBD) plasma actuators is modified to produce zero-mass flux jets similar to those created by mechanical devices. The SDBD plasma actuator consists of two rectangular electrodes oriented asymmetrically and separated by a layer of dielectric material. Under an input of high voltage, high frequency AC or pulsed DC, a region of plasma is created in the interfacial air gap on account of electrical breakdown of the ambient air. A coupling between the electric field in the plasma and the neutral air near the …
Dynamic Voltage Scaling For Priority-Driven Scheduled Distributed Real-Time Systems, Chenxing Wang
Dynamic Voltage Scaling For Priority-Driven Scheduled Distributed Real-Time Systems, Chenxing Wang
University of Kentucky Doctoral Dissertations
Energy consumption is increasingly affecting battery life and cooling for real- time systems. Dynamic Voltage and frequency Scaling (DVS) has been shown to substantially reduce the energy consumption of uniprocessor real-time systems. It is worthwhile to extend the efficient DVS scheduling algorithms to distributed system with dependent tasks. The dissertation describes how to extend several effective uniprocessor DVS schedul- ing algorithms to distributed system with dependent task set. Task assignment and deadline assignment heuristics are proposed and compared with existing heuristics concerning energy-conserving performance. An admission test and a deadline com- putation algorithm are presented in the dissertation for dynamic …
Functionalized Polymeric Membranes For Bioseparation And Biocatalysis, Saurav Datta
Functionalized Polymeric Membranes For Bioseparation And Biocatalysis, Saurav Datta
Theses and Dissertations--Chemical and Materials Engineering
Functionalized polymeric membrane based techniques are becoming increasingly popular in biotechnology, food and pharmaceutical industries due to their versatility and hydrodynamic benefits over traditional materials and methods. This research work has been directed towards the development of functionalized polymeric membranes, extensive experimental and theoretical analyses of some of the fundamental aspects of accessibility, membrane fouling and enzyme catalysis, and applications in affinity based bioseparation and biocatalysis. In this research work, the impact of different types of functionalization techniques, such as functionalization of different membrane materials, covalent and electrostatic immobilization, on interaction of various biomolecules and active sites in membrane has …
Best Management Practices Used By Kytc For On-Site Erosion Control, David L. Allen, Sudhir Palle
Best Management Practices Used By Kytc For On-Site Erosion Control, David L. Allen, Sudhir Palle
Kentucky Transportation Center Research Report
New erosion control procedures (ECP) have recently been implemented by the Kentucky Transportation Cabinet (KYTC). Previously, consultants and designers developed the ECP as a part of the design plans. In many cases these did not work in the field. The new procedures allow construction personnel to develop and implement their own ECPs on site.
This study conducted a survey of construction personnel in the KYTC to determine their level of familiarity with the new ECPs and to determine any issues that may have developed with the new procedures. The results of the survey concluded that most KYTC construction personnel were …
Hydrologic Properties Of Pervious Concrete, Joe D. Luck, Stephen R. Workman, Stephen F. Higgins, Mark S. Coyne
Hydrologic Properties Of Pervious Concrete, Joe D. Luck, Stephen R. Workman, Stephen F. Higgins, Mark S. Coyne
Plant and Soil Sciences Faculty Publications
Pervious concrete is concrete made by eliminating most or all of the fine aggregate (sand) in the concrete mix, which allows interconnected void spaces to be formed in the hardened product. These interconnected void spaces allow the concrete to transmit water at relatively high rates. The main objective of this project was to conduct research on the potential application of pervious concrete in agricultural settings, specifically for use in animal feed lots, manure storage pads, animal manure and bedding compost facilities, or floor systems in animal buildings. Laboratory tests were conducted on replicated samples of pervious concrete formed from two …
Systems And Methods For Inspecting Coatings, Kozo Saito, Mohammed I. Hassan Ali, Akira Numasato, Mohammed A. Omar, Sakakibara Masahito, Suzuki Toshikazu, Tanigawa Yasuo
Systems And Methods For Inspecting Coatings, Kozo Saito, Mohammed I. Hassan Ali, Akira Numasato, Mohammed A. Omar, Sakakibara Masahito, Suzuki Toshikazu, Tanigawa Yasuo
Mechanical Engineering Faculty Patents
A system for detecting defects in paint coatings includes a temperature manipulation apparatus configured to change the temperature of a surface and a coating applied to the surface. The system may further include an infrared sensor for measuring the change in temperature of the surface and coating and a processor to compare the measured change in temperature of the surface and coating to an expected change of temperature in order to determine anomalies in the coatings.
Managing Liquid Dairy Manure, José R. Bicudo
Managing Liquid Dairy Manure, José R. Bicudo
Agricultural Engineering Extension Publications
One of the primary issues in the dairy production industry is the storage, management, and land application of manure. Producers should plan how and when to apply manure to agricultural land to minimize the risk of water pollution and odor nuisance and maximize nutrient use.
Utilization Of Index Stations For Prediction Of Interstate Traffic Volumes, R. Clark Graves, Jerry G. Pigman
Utilization Of Index Stations For Prediction Of Interstate Traffic Volumes, R. Clark Graves, Jerry G. Pigman
Kentucky Transportation Center Research Report
To facilitate the collection of traffic volumes along the Interstate System and better utilize the available resources. A method to factor adjacent traffic count locations from index counts collected on an annual basis has been proposed. This process utilized the current permanent stations along with other stations identified as Index Stations to calculate the AADT at the Estimated from Index (EFI) stations. This report provides a summary of the process which was developed and a measure of the potential accuracy of the predicted traffic volumes.