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Articles 1 - 30 of 59
Full-Text Articles in Engineering
Probabilistic Life Cycle Cost Analysis Fhwa Demonstration Project Dp 115, R. Clark Graves, David L. Allen
Probabilistic Life Cycle Cost Analysis Fhwa Demonstration Project Dp 115, R. Clark Graves, David L. Allen
Kentucky Transportation Center Research Report
Kentucky has been involved in several projects relating to the development of a Life Cycle Cost (LCC) analysis procedures of pavement structures. Research projects have been conducted by the Kentucky Transportation Center dealing with development of a more robust LCC procedures for pavement analysis. A research project has also been conducted developing network level LCC procedures. These procedures are currently in the evaluation phase and have not been implemented into current Kentucky Transportation Cabinet procedures. Life Cycle Costs analysis is utilized on various projects throughout Kentucky to evaluate various pavement construction and rehabilitation alternatives.
This report will outline the current …
Evaluation Of Reference Markers, Jerry G. Pigman
Evaluation Of Reference Markers, Jerry G. Pigman
Kentucky Transportation Center Research Report
The objective of this research evaluation was to evaluate the reference markers which were installed on sections of interstates and freeways in the Cincinnati-northern Kentucky area, the Lexington-Fayette Urban County area, the Louisville-southern Indiana area, and the Indianapolis area. The evaluation was conducted to determine if the use of reference markers at spacings of 0.1 or 0.2-mile intervals could improve the effectiveness of the emergency response and incident management processes. Also evaluated were color of the markers and the placement location within the right-of-way. Both "'white on blue" and ''white on green" markers were installed on various projects, with some …
Registration Violations And The Use Of Optical Character Recognition Technology At Kentucky Weigh Stations, Jennifer R. Walton, Joseph D. Crabtree
Registration Violations And The Use Of Optical Character Recognition Technology At Kentucky Weigh Stations, Jennifer R. Walton, Joseph D. Crabtree
Kentucky Transportation Center Research Report
As a Model Deployment State for CVISN (Commercial Vehicle Information Systems and Networks), Kentucky is valuating and improving its procedures related to commercial vehicle administration and enforcement. As part of this effort, the Kentucky Transportation Center (KTC) was asked to investigate the frequency of registration-related violations at Kentucky weigh stations and the potential effectiveness of a license plate recognition (LPR) system in detecting and deterring such violations. Typical violations considered in the investigation included using an expired license plate, hauling weight in excess of the truck’s registered weight, or traveling in Kentucky without proper authority.
KTC researchers first examined Kentucky’s …
Seismic Evaluation Of The Ohio River Bridge On Us51 At Wickliffe, Kentucky, Issam E. Harik, Chelliah Madasamy, Denglin Chen, Leonong Zhou, Kevin Sutterer, Ron Street, David L. Allen
Seismic Evaluation Of The Ohio River Bridge On Us51 At Wickliffe, Kentucky, Issam E. Harik, Chelliah Madasamy, Denglin Chen, Leonong Zhou, Kevin Sutterer, Ron Street, David L. Allen
Kentucky Transportation Center Research Report
This report presents the of seismic evaluation of the Ohio river bridge on US51 at Wickliffe, Kentucky. The main bridge is a five-span single-deck cantilever through-truss type. The approach bridge has 21 spans on the Kentucky side and 6 spans on the Illinois side. Although this bridge has not yet been subjected to a moderate or major earthquake, it is situated within the influence of the New Madrid seismic zone.
The seismic evaluation program consists of field testing and seismic response analysis. The modal properties of the main bridge are determined through field testing, and are used to calibrate the …
Evaluation Of 93-Inch Corrugated Metal Culvert On Ky 693 And Us 23, Green-Up County, L. John Fleckenstein, Richard Reitenour, David L. Allen
Evaluation Of 93-Inch Corrugated Metal Culvert On Ky 693 And Us 23, Green-Up County, L. John Fleckenstein, Richard Reitenour, David L. Allen
Kentucky Transportation Center Research Report
No abstract provided.
Comparison Of Water And Temperature Distribution Profiles Under Sand Tube Irrigation, Masoud Meshkat, Richard C. Warner, Stephen R. Workman
Comparison Of Water And Temperature Distribution Profiles Under Sand Tube Irrigation, Masoud Meshkat, Richard C. Warner, Stephen R. Workman
Biosystems and Agricultural Engineering Faculty Publications
Drip irrigation is one of the most efficient systems in delivering water to the plant root zone. Research has shown that the saturated, or nearly saturated, surface beneath the emitter may increase evaporation thereby reducing the irrigation efficiency. To increase the efficiency of surface applied drip irrigation on permanent tree crops a sand tube irrigation (STI) method was developed and tested. The sand tube method consists of removing a soil core beneath the emitter and filling the void with coarse sand. A weighing lysimeter was designed and instrumented to directly measure temporal evaporation during irrigation and for a period of …
Method For Improving The Pozzolanic Character Of Fly Ash, John G. Groppo Jr., Thomas L. Robl, Charles J. Mccormick
Method For Improving The Pozzolanic Character Of Fly Ash, John G. Groppo Jr., Thomas L. Robl, Charles J. Mccormick
Center for Applied Energy Research Faculty Patents
A method for improving the pozzolanic character of fly ash includes the steps of first hydraulically classifying and then flotation separating the fly ash in order to reduce particle size distribution and remove carbon. The method also includes the steps of spiral concentrating separated coarse particles to recover iron, pyrite and marcasite and screening the fly ash to remove ultra-light carbon and plant debris.
Geotextile Feeding/Traffic Surfaces And Costs, Larry W. Turner
Geotextile Feeding/Traffic Surfaces And Costs, Larry W. Turner
Agricultural Engineering Extension Updates
Mud robs Kentucky beef and dairy producers of performance from their cattle herds in winter and spring conditions. To help avoid the problems associated with mud and reduced performance, concrete pads or lower-cost all-weather surfaces should be used wherever animals congregate--- feeding areas, animal traffic areas and loafing areas. Although concrete is probably the most desirable surface for durability and low maintenance, an all-weather surface can be constructed of geotextile fabric, rock and fine surface cover for less than 1/3 of the cost of concrete. Rock over bare soil in Kentucky requires approximately 12" of depth for stability. In contrast, …
Analysis Of Vehicle Classification Data, Including Monthly And Seasonal Adt Factors, Hourly Distribution Factors, And Lane Distribution Factors, David L. Allen, Nikiforos Stamatiadis, R. Clark Graves
Analysis Of Vehicle Classification Data, Including Monthly And Seasonal Adt Factors, Hourly Distribution Factors, And Lane Distribution Factors, David L. Allen, Nikiforos Stamatiadis, R. Clark Graves
Kentucky Transportation Center Research Report
This report documents the development of monthly and seasonal ADT factors for performing estimating AADT's. lt appears that seasonal factors can estimate AADT as well as monthly factors, and it is recommended that seasonal factors be used.
Hourly distribution factors were also developed in this study. These are to be used in life-cycle costing analyses for calculating queue lengths in estimating user delay costs.
In this study, a comparison was made between automatic vehicle classification counters and manual counts. For the type of equipment used, automobiles were overestimated, pickup trucks were underestimated, and Type 9's were also underestimated.
Lane distribution …
Kentucky Transportation Cabinet's: Annual Assessment Of Customer Needs And Satisfaction, Patsy Anderson, Kris Koehler
Kentucky Transportation Cabinet's: Annual Assessment Of Customer Needs And Satisfaction, Patsy Anderson, Kris Koehler
Kentucky Transportation Center Research Report
The purpose of this study was to continue the efforts begun in 1997 to monitor Kentucky public opinion regarding the quality of the highway system and also include a portion to measure satisfaction with the current drivers' license and registration renewal processes. Kentucky's 1998 public opinion is compared to data collected in 1997 to gage Kentucky's progress over the past year, and is compared to the NQI Survey done on the national level to show how Kentuckian's opinions compare to those nationwide.
Method For Improving Consolidation Of Powder Resin, David A. Pienkowski, Eric A. Grulke, Robert J. Jacob
Method For Improving Consolidation Of Powder Resin, David A. Pienkowski, Eric A. Grulke, Robert J. Jacob
Biomedical Engineering Faculty Patents
A method for improving consolidation of powder resin is provided. The method broadly includes the steps of: (1) sorting particles of the powder resin according to their diameter; (2) combining the sorted particles having a first diameter D1 with the sorted particles having a second diameter D2 so as to form a particle mixture; (3) applying a vibration to the particle mixture; (4) heating the particle mixture; and (5) delivering the particle mixture through a nozzle or into a mold. The particle diameters D1 and D2 are chosen so that once combined there is optimal close packing of the three-dimensional …
Cost Estimating And Forecasting For Highway Work In Kentucky (Study Kyspr-94-158), James D. Stevens
Cost Estimating And Forecasting For Highway Work In Kentucky (Study Kyspr-94-158), James D. Stevens
Kentucky Transportation Center Research Report
Starting 1 July 1992, KRS45.245 granted the Interim Joint Committee on Transportation oversight of the biennial highway plan, including a review of all authorized highway project phases that exceed their estimates by 15%.
Estimates developed using current methods were not sufficiently accurate to preclude cost overruns in excess of 15%. Estimates were prepared before design began in order for the project to be included in the six-year plan. These estimates were not revised after a more detailed scope was available.
There were 562 overruns >15% at a cost of approximately $265 million during the period 7/1/92-7/1/98. All overruns were approved …
Response Of Runoff Diazinon Concentration To Formulation And Post-Application Irrigation, Joshua R. Evans, Dwayne R. Edwards, Stephen R. Workman, R. Michael Williams
Response Of Runoff Diazinon Concentration To Formulation And Post-Application Irrigation, Joshua R. Evans, Dwayne R. Edwards, Stephen R. Workman, R. Michael Williams
Biosystems and Agricultural Engineering Faculty Publications
Pesticides used in urban environments can be transported in runoff to downstream waters and cause adverse environmental consequences. This experiment assessed the effects of post-application irrigation depth (0, 6.4, and 12.7 mm) and formulation (liquid and granular) on concentration and transport of diazinon (a pesticide commonly used for lawn insect control) in runoff from “tall” fescue (Festuca arundinacea Schreb.) plots. The post-application irrigation was applied using rainfall simulators immediately following diazinon application. The rainfall simulators were again used approximately 2 h after diazinon application to apply the equivalent of a heavy rainfall (64 mm/h for approximately 1.5 h) to generate …
Vegetated Filter Strip Removal Of Cattle Manure Constituents In Runoff, Teng T. Lim, Dwayne R. Edwards, Stephen R. Workman, Brian T. Larson, Lloyd Dunn
Vegetated Filter Strip Removal Of Cattle Manure Constituents In Runoff, Teng T. Lim, Dwayne R. Edwards, Stephen R. Workman, Brian T. Larson, Lloyd Dunn
Biosystems and Agricultural Engineering Faculty Publications
Pasture runoff can contribute to elevated concentrations of nutrients, solids, and bacteria in downstream waters. The objective of this study was to determine the effects of vegetative filter strip (VFS) length on concentrations and transport of nitrogen, phosphorus, solids and fecal coliform in runoff from plots treated with cattle manure. Three plots with dimensions of 2.4 × 30.5 m were used. The upper 12.2 m of each plot was treated with cattle manure, while the lower 18.3 m acted as a VFS. Runoff produced by rainfall simulators was sampled at VFS lengths of 0, 6.1, 12.2, and 18.3 m and …
Optimization Of Solid-State Fermentation Parameters For The Production Of Xylanase By Trichoderma Longibrachiatum On Wheat Bran, Elizabeth R. Ridder, Sue E. Nokes, Barbara L. Knutson
Optimization Of Solid-State Fermentation Parameters For The Production Of Xylanase By Trichoderma Longibrachiatum On Wheat Bran, Elizabeth R. Ridder, Sue E. Nokes, Barbara L. Knutson
Biosystems and Agricultural Engineering Faculty Publications
Solid-state fermentation has the potential to produce inexpensive enzymes for use in high-volume industrial applications. Process parameters such as substrate moisture content and length of fermentation can have a significant effect on the amount and timing of enzyme production. This study was conducted in two stages, a screening stage and an optimization stage, to determine the effects of moisture content of the substrate, surfactant addition upon inoculation, depth of the substrate, and duration of fermentation on xylanase activity produced by Trichoderma longibrachiatum. Screening fermentations were conducted at 25°C, 50 and 75% wet basis moisture content (w.b.), 0.0 and 0.2% …
Truck Route Access Evaluation: Kenmor Stone And Ruth Brothers Quany, Olive Hill, Site #2620, Joel Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nick Stamatiadis
Truck Route Access Evaluation: Kenmor Stone And Ruth Brothers Quany, Olive Hill, Site #2620, Joel Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nick Stamatiadis
Kentucky Transportation Center Research Report
This is a study undertaken on behalf of the Kentucky Transportation Cabinet (KYTC). There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189): evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for Kenmor Stone and Ruth Brothers Quarry located in Carter county in the FIVCO Area Development District (ADD) and KYTC Highway District #9. The location of the sites is shown in Figure 1. Work …
Truck Route Access Evaluation: Madison County Industrial Park, Off Us 25 South Of Richmond, Site #2678, Lisa Aultman-Hall, Kenneth R. Agent, Brian Aldridge, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Madison County Industrial Park, Off Us 25 South Of Richmond, Site #2678, Lisa Aultman-Hall, Kenneth R. Agent, Brian Aldridge, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) undertaken by the Kentucky Transportation Center for the Kentucky Transportation Cabinet: evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for one cluster of facilities located in Madison county in the Bluegrass Area Development District (ADD) and KYTC Highway District #7. The location of the site is shown in Figure 1. Work on other specific sites …
Truck Route Access Evaluation: Edmonson County, From Western Kentucky Parkway To I-65, Lisa Aultman-Hall, Kenneth R. Agent, Brian Aldridge, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Edmonson County, From Western Kentucky Parkway To I-65, Lisa Aultman-Hall, Kenneth R. Agent, Brian Aldridge, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) that is being undertaken by the Kentucky Transportation Center for the Kentucky Transportation Cabinet (KYTC): 1) evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and 2) furthering the understanding of freight commodity flows throughout the state. This report is slightly different from the others that summarize the access evaluation to a particular cluster of existing facilities. This route provides access to Edmonson county from the Western Kentucky Parkway (in Grayson county) and …
Analysis Of Traffic Accident Data In Kentucky (1993 - 1997), Kenneth R. Agent, Jerry G. Pigman
Analysis Of Traffic Accident Data In Kentucky (1993 - 1997), Kenneth R. Agent, Jerry G. Pigman
Kentucky Transportation Center Research Report
This report includes an analysis of traffic accident data in Kentucky for the years of 1993 through 1997. A primary objective of this study was to determine average accident statistics for Kentucky highways. Average and critical numbers and rates of accidents were calculated for various types of highways in rural and urban areas. These data can be used in Kentucky's procedure to identify locations that have abnormal rates or numbers of accidents.
The other primary objective of this study was to provide data which can be used in the preparation of the problem identification portion of Kentucky's Annual Highway Safety …
Truck Route Access Evaluation: Hopkinsville Industrial Park, Off Us 41 South Of Hopkinsville, Site #41, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Hopkinsville Industrial Park, Off Us 41 South Of Hopkinsville, Site #41, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) is being conducted on behalf of the Kentucky Transportation Cabinet (KYTC). There are two major objectives of the study: evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for one cluster of facilities located in Christian County in the Pennyrile Area Development District (ADD) and KYTC Highway District# 2. The location of the site is shown in Figure I. Work on other …
1998 Safety Belt Usage Survey And Evaluation Of Effectiveness In Kentucky, Kenneth R. Agent
1998 Safety Belt Usage Survey And Evaluation Of Effectiveness In Kentucky, Kenneth R. Agent
Kentucky Transportation Center Research Report
The objective of this study was to establish 1998 safety belt and child safety seat usage rates in Kentucky. The 1998 survey documents the continuing results from enacting a statewide mandatory safety belt law in 1994. Data were collected at 100 sites and combined based on vehicle miles travelled for a given type of highway, rural or urban location, and county population category. Also included in the report is an analysis of accident records evaluating the effectiveness of safety belts.
The data show that the usage rate has stabilized at a level slightly below the high value which occurred in …
Truck Route Access Evaluation: Cook Family Foods, Grayson, Site #2663, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Truck Route Access Evaluation: Cook Family Foods, Grayson, Site #2663, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Kentucky Transportation Center Research Report
This is a study undertaken on behalf of the Kentucky Transportation Cabinet (KYTC). There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189): evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for the Cook Family Foods facility located in Carter county in the FIVCO Area Development District (ADD) and KYTC Highway District #9. The location of the site is shown in Figure 1. Work on …
Truck Route Access Evaluation: Campground Road Cluster, Louisville, Site #8, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Truck Route Access Evaluation: Campground Road Cluster, Louisville, Site #8, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Kentucky Transportation Center Research Report
This is a study undertaken on behalf of the Kentucky Transportation Cabinet (KYTC). There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189): evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for a cluster of facilities located along Campground Road in Louisville in the KIPDA Area Development District (ADD) and KYTC Highway District #5. The location of the site is shown in Figure 1. Work …
Truck Route Access Evaluation: Bath County Industrial Site, Off Of Kendall Springs Road Southwest Of Owingsville, Site #26, Brian Aldridge, Kenneth R. Agent, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Bath County Industrial Site, Off Of Kendall Springs Road Southwest Of Owingsville, Site #26, Brian Aldridge, Kenneth R. Agent, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189), undertaken by the Kentucky Transportation Center (KTC) on behalf of the Kentucky Transportation Cabinet (KYTC), has two main objectives. These objectives include 1) the evaluation of access for trucks between intermodal or other truck generating sites and the National Highway System (NHS) and 2) furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for one cluster of facilities located in Bath County in the Gateway Area Development District (ADD) and KYTC Highway District #9. The location of the site is shown in …
Truck Route Access Evaluation: Central Kentucky Asphalt, Off Of Ky 1723, Site #2634, Brian Aldridge, Kenneth R. Agent, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Central Kentucky Asphalt, Off Of Ky 1723, Site #2634, Brian Aldridge, Kenneth R. Agent, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189), undertaken by the Kentucky Transportation Center (KTC) on behalf of the Kentucky Transportation Cabinet (KYTC), has two main objectives. These objectives include 1) the evaluation of access for trucks between intermodal or other truck generating sites and the National Highway System (NHS) and 2) furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for one facility located in Fayette County in the Bluegrass Area Development District (ADD) and KYTC Highway District #7. The location of the site is shown in Figure 1. …
Truck Route Access Evaluation: Bells Lane Cluster, Louisville, Site #7, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Truck Route Access Evaluation: Bells Lane Cluster, Louisville, Site #7, Joel M. Weber, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis
Kentucky Transportation Center Research Report
This is a study undertaken on behalf of the Kentucky Transportation Cabinet (KYTC). There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189): evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for a cluster of facilities located along Bells Lane and Algonquin Parkway in Louisville in the KIPDA Area Development District (ADD) and KYTC Highway District #5. The location of the site is shown in …
Truck Route Access Evaluation: Paradise Power Plant, Muhlenberg County, Site #1113, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Truck Route Access Evaluation: Paradise Power Plant, Muhlenberg County, Site #1113, Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nicole Lefever, Nikiforos Stamatiadis, Joel M. Weber
Kentucky Transportation Center Research Report
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) is being conducted on behalf of the Kentucky Transportation Cabinet (KYTC). There are two major objectives of the study: evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for The Paradise Power Plant facility located in Muhlenberg County in the Pennyrile Area Development District (ADD) and KYTC Highway District # 2. The location of the site is shown in Figure 1. Work …
Radiation Modulator System, M. Pinar Mengüç, Bruce L. Walcott, Stephen R. Swabb, Michael A. Marra Iii
Radiation Modulator System, M. Pinar Mengüç, Bruce L. Walcott, Stephen R. Swabb, Michael A. Marra Iii
Mechanical Engineering Faculty Patents
A radiation modulator system and related method for actively controlling a flame in a combustion system are provided. The system includes a plurality of radiation modulators positioned adjacent the flame. A sensor arrangement is provided for sensing combustion characteristics of the flame and generating a sensor signal representative of the combustion characteristics. The sensor signal is received in a computer which then generates a control signal for transmission to a linkage arrangement which provides for the repositioning of the radiation modulators. Thus, the flame is actively controlled by continually repositioning the modulators in response to the sensor signal and the …
Quality Of Runoff From Plots Treated With Municipal Sludge And Horse Bedding, Elizabeth L. Busheé, Dwayne R. Edwards, Philip A. Moore Jr.
Quality Of Runoff From Plots Treated With Municipal Sludge And Horse Bedding, Elizabeth L. Busheé, Dwayne R. Edwards, Philip A. Moore Jr.
Biosystems and Agricultural Engineering Faculty Publications
Land application of horse stall bedding and municipal sludge can increase runoff concentrations of nutrients, organic matter, and bacteria as well as steroidal hormones such as estrogen. Concentrations of materials in runoff from sites treated with animal manure can be reduced by aluminum sulfate, or alum [Al2(SO4)3•14H2O] treatment. The objectives of this study were to assess plots treated with horse stall bedding or municipal sludge for: (a) runoff quality [concentrations of nitrate nitrogen (NO3-N), ammonia nitrogen (NH3-N), orthophosphate-phosphorus (PO4-P), fecal coliform (FC), chemical oxygen demand (COD) …
Field Performance Report On 1219 Mm Hdpe Pipe On Us 127, Owen County, L. John Fleckenstein, David L. Allen
Field Performance Report On 1219 Mm Hdpe Pipe On Us 127, Owen County, L. John Fleckenstein, David L. Allen
Kentucky Transportation Center Research Report
This report documents the installation and performance of a 1219 mm (48-inch) corrugated smooth lined polyethylene (HDPE) pipe installed during reconstruction of US 127 in Owen County. The pipe installed was manufactured by Advanced Drainage Systems, Inc., and is designated as ADS N-12. pipe.
The culvert was installed in a 6-meter (20-foot) high embankment. The culvert pipe was installed in two sequences. The first half of the structure was bedded and backfilled with No. 8 stone and the second half of the structure was bedded and backfilled with pipe sand (crushed limestone).
The pipe appears to be performing well. The …