Engineering Commons^™

Circulatory Processes In The Columbia River Estuary, David A. Jay

Civil and Environmental Engineering Faculty Publications and Presentations

Covers tidal circulation, density distribution, vertical mixing, salt transport, and low-frequency flow processes, with contributions to estuarine circulation theory.

Test 1514: Ford Tw-5 And 8530 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1517: Ford Tw-35 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1515: Ford Tw-15 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1516: Ford Tw-25 And 8730 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1511: Massey-Ferguson 3505 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1512: Massey-Ferguson 3525 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Test 1513: Massey-Ferguson 3545 Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …

Hydropower Turbine System, David T. Kao

Civil Engineering Faculty Patents

There is disclosed a new cavitation free hydraulic turbine system which fully utilizes well-established hydrodynamic theories useful for low-head hydroelectric applications. The hydropower turbine system of the present invention makes use of a fixed blade propeller turbine with reverse blade angle and an upward flow passage. To eliminate the complex flow control adjustable vane system and elaborate tube design and construction of the prior art, the new turbine system is provided with a vertical needle valve and a near zero absolute velocity free exit flow design.

Flake Aligner Including Baffles Supported On Continuously Moving Conveyor, Anders E. Lund, Gordon P. Krueger, Lynn B. Sandberg, Roy D. Adams

Michigan Tech Patents

Apparatus for forming a continuous elongated loosely felted mat of thin elongated wood flakes with the flakes being aligned in mutually parallel interleaved relation. The apparatus includes a plurality of belts positioned in adjacent side-by-side relation and for continuous movement so as to define a supporting surface for the mat. A plurality of sets of thin planar baffle plates are provided, each set including a plurality of thin planar baffle plates supported in coplanar alignment and in edge-to-edge adjacent relation. The baffle plates are positioned between a hopper for depositing wood flakes and the supporting surface and function to align …

Method For Molding Articles Having Non-Planar Portions From Matted Wood Flakes, Bruce A. Haataja, Tauno B. Kilpela, Anders E. Lund, James F. Hamilton

Michigan Tech Patents

An article having non-planar portions, such as a pallet having a substantially flat deck member and a plurality of hollow leg members projecting integrally from the deck member, is molded as a one-piece unit from a loosely-felted, layered mat formed from a mixture of a resinous particle board binder and flake-like wood particles. The wood flakes have an average length of about 11/4 to about 6 inches, preferably about 2 to about 3 inches, an average thickness of about 0.005 to about 0.075 inch, preferably about 0.015 to about 0.025 inch, and an average width of 3 inches or less …

Bulletin - April, 1984, Civil Aviation Medical Association

Browse all Civil Aviation Medical Association Newsletters

A six page newsletter of the Civil Aviation Medical Association. The newsletter provided news about civil aviation medicine and information related to the organization.

Spring 1984, Wmpg 90.9 Fm

WMPG Program Guides

WMPG program guide for Spring 1984

Includes notes from Program Director, information on shows and events, and schedule.

Performance And Economic Feasibility Of A Sludge/Wastepaper Gasifier System, N. W. Sorbo, George Tchobanoglous, John R. Goss, Samuel A. Vigil

Civil and Environmental Engineering

Thermal gasification of densified sludge/wastepaper fuels has been shown to be technically feasible for the co-disposal of sludge and source-separated wastepaper. The performance and economic feasibility of a downdraft packed-bed gasifier system fueled with densified sludge/wastepaper and wastepaper fuels has been evaluated.

To assess the performance of the gasifier, a series of gasifier runs were conducted at various air input rates with the use of various densified fuels. In eight of the runs, a densified fuel consisting of 20 percent lagoon-dried sludge and 80 percent recycled wastepaper was used; in five runs, densified wastepaper cubes were used. Gaseous and particulate …

The Gamut: A Journal Of Ideas And Information, No. 12, Spring/Summer 1984, Cleveland State University

The Gamut Archives

CONTENTS OF ISSUE NO. 12, SPRING/SUMMER,1984

Kenneth A. Torgerson: Jury or Judge, 2

The problems of trial by one's peers.

Robert Creeley: Conversation, 20

Interview reveals a poet's concerns about teaching, money, readings, publishing.

Carsten Ahrens: Ottawa County's Very Special Daisy, 33

Rare botanical species of Sandusky area.

George C. Chang: Progress and Promise of Electric Vehicles, 35

Will the future of transportation be battery-powered?

Marvin H. Jones: Peculiar Portraits, 48

Ingrid Komar: Making Utopia Work, 50

The joys and travails of an "intentional" community.

David B. Guralnik: Word Watch: Productive Suffixes II, …

An Evaluation Of Elastizell Concrete As A Lightweight Fill Material, David L. Allen, Bobby W. Meade

Kentucky Transportation Center Research Report

Near Northern Kentucky University in Campbell County, Kentucky, access ramps connecting I 275 and 3-Mile Road (shown in Figure 1) were constructed. During construction of those ramps, additional embankments were to be placed on an existing 6-foot by 5-foot box culvert. Both ramps, hereafter referred to as NKU-1 (the exit ramp from I 275) and NKU-2 (the entrance ramp to I 275), cross the culvert. The new embankments would result in fill heights, over the culvert of 30 feet at Station 39+14 of NKU-1 (Figure 2) and 47 feet at Station 11+68 of NKU-2 (Figure 3). The original fill height …

Fundy Tidal Power Development : Preliminary Evaluation Of Its Environmental Consequences To The Resources Of The State Of Maine, Bigelow Laboratory For Ocean Sciences

Maine Collection

Fundy Tidal Power Development : Preliminary Evaluation of Its Environmental Consequences to the Resources of the State of Maine

A Report to the Maine State Planning Office by the Bigelow Laboratory for Ocean Sciences, April, 1984.

"Technical Report No. 35 - Bigelow Laboratory for Ocean Sciences, West Boothbay Harbor, Maine - A Division of Northeastern Research Foundation, Inc."

Contents: Executive Summary / Introduction / Methods / Physical and Biological Consequences / Socio-Economic Consequences / Research Needs / Bibliography / Appendix I. Written Comments on Greenberg Model

Vanpool Demonstration Project (University Of Kentucky), Jerry G. Pigman, Kenneth R. Agent

Kentucky Transportation Center Research Report

A vanpool demonstration project was operated at the University of Kentucky for the period May 2, 1983, through March 31, 1984. One van originated in Berea (roundtrip 90 miles) and another in Richmond (roundtrip 60 miles). Many problems associated with a vanpool operation were minimized because the riders were University employees and van ownership remained with the University.

It was found that personal contact with potential vanpool riders was much more effective then letters and questionnaires in the effort to generate initial ridership. Because vanpools had not previously been operated extensively in this area, it was difficult to convince potential …

Specially Constructed Bridges: Activities For Fiscal Year 1983, Theodore Hopwood Ii, James H. Havens, Gary W. Sharpe

Kentucky Transportation Center Research Report

The field performance of bridge features including masonry coatings, galvanized steel, weathering steel, conventional deck reinforcing steel, and epoxy-coated reinforcing steel were examined either visually or nondestructively on various pre-selected bridges throughout Kentucky. Additionally, a nationwide survey of state highway authorities was conducted on the application and service performance of stay-in-place forms.

All of the bridge features inspected appeared to be performing satisfactorily, except for the masonry coating failure on the I-471 twin bridges over the Ohio River at Newport. Results of the stay-in-place form survey support their application as a cost-saving feature.

Variable Serviceability Concept For Pavement Design Confirmed By Aasho Road Test Fatigue Data, Herbert F. Southgate, Robert C. Deen

Kentucky Transportation Center Research Report

Fatigue data from the AASHO Road Test were plotted for each level of serviceability. The Kentucky thickness design system uses the concept of a variable level of serviceability as a function of EALs. The Kentucky thickness design curve for the equivalent CBR was converted to an equivalent structural number and superimposed on each of the specific serviceability figures. The AASHTO Equation C–14 of the 1972 AASHTO Interim Guide was evaluated for each level of serviceability and superimposed on its respective figure. Equation C–14 fits reasonably well for serviceability levels of 2.0 and 2.5 but does not fit the remining serviceability …

Variations Of Fatigue Due To Unevenly Loaded Axles Within Tridem Groups, Herbert F. Southgate, Robert C. Deen

Kentucky Transportation Center Research Report

The effect of unevenly distributed loads on the axles within a tridem has been shown to be very significant. Equations are presented that enable the equivalent load effect for equal load distribution to be adjusted for uneven loading. Considering the relative increase and the relatively small volume of trucks currently using tridems, the equation for all tridems without regard to locations on the vehicle is recommended at this time. Consideration should be given to using equations for individual load patterns as the volume of trucks using tridems increases and more weight data become available.

Structural Evaluation Of Asphaltic Pavements, Robert C. Deen, Herbert F. Southgate, Gary W. Sharpe

Kentucky Transportation Center Research Report

To evaluate projects involving approximately 200 route-miles of interstate and primary pavements in Kentucky and Tennessee in relatively short time frames, it was decided to test, analyze, and design overlays using test equipment (Road Rater) and procedures developed by the University of Kentucky Transportation Research Program. This paper presents the analysis methodology and the evaluation and overlay designs for selected projects, including the before-and-after analysis of milling on one project.

The Road Rater applies a dynamic sinusoidal loading of known force and frequency. The velocity of the vibration waves are measured by sensors and integrated electronically to obtain surface deflections. …

Center For Science And Engineering Schedule Of Classes Spring-Summer 1984, Nova Southeastern University

College of Engineering and Computing Course Catalogs

No abstract provided.

Laser-Induced Surface Diffusion, Cheng-Hsiao Wu, Jonathan I. Gittleman

Electrical and Computer Engineering Faculty Research & Creative Works

A Brownian motion model for laser-induced surface diffusion is proposed to account for the kinetics of surface transport of the evaporated molecules from a thin discontinuous film under a focused laser beam. The model is solved exactly where the evaporation rate of the molecules is assumed to be proportional to the temperature rise above the ambient of the absorber layer. The surface diffusion constant and molecular velocity are obtained by comparing the results of calculations with transmission electron micrographs of recorded pits in Te trilayer opticial discs. These values are in good agreement with Einstein's relation.

Assessment Of The Accuracy Of Metal Cutting In A Microcomputer Controlled Machine, Aly Mohamed Saad Ed-Din Dars

Archived Theses and Dissertations

No abstract provided.

Evaluation Of Fhwa Technology Transfer Program At Herpicc, Purdue University, Robert K. Whitford

Indiana Local Technical Assistance Program (LTAP) Publications

An evaluation of the FHWA technology transfer program at HERPICC, Purdue University based on a questionnaire sent to operation and management personnel of the highway road system. Future courses of action are also suggested.

Checklist For Preparing Basic Specifications For A Light Duty Sign And/Or Service Truck, Herpicc

Indiana Local Technical Assistance Program (LTAP) Publications

This checklist provides suggested items to be considered when seeking bids for a service truck to be used for sign maintenance or other general service.

Suitability Of Reduced Pressure Center-Pivots, John E. Gilley

Department of Agricultural and Biological Systems Engineering: Faculty Publications

Selection criteria for reduced pressure center-pivot irrigation systems are developed. An analysis of the combined effects of the application rate characteristics or center-pivot irrigation systems and the Soil Conservation Service (SCS) soil intake family curves is used to determine the maximum depth of water which could be applied per irrigation for various types of soils and sprinkler packages. These irrigation depths are used to determine guidelines for proper selection of reduced pressure center-pivot systems. The results can be used as a general guide to determine if a particular system may have a runoff problem under a given situation.

A Plasma Focus Interrupting Switch, Gregory Francis Knapp

Electrical & Computer Engineering Theses & Dissertations

The feasibility of using a dense plasma focus (DPF) as a current interrupting device has been investigated. Specifically, a 34-kJ, Mather-type DPF was modified to accept a third electrode so that a discharge could be created between this electrode and the center electrode of the DPF by a 10-kJ inductive energy storage circuit. It was anticipated that the accelerating mechanisms of the DPF pinch, which are known to cause a rapid reduction in the DPF current, would interrupt the 1-kA to 10-kA secondary discharge current thus forcing the secondary current through an external load and hence result in power amplification. …

Comparative Heat Load Analysis For A Direct Gain Passive Solar Building, Hong Hu

Mechanical & Aerospace Engineering Theses & Dissertations

A newly erected University Police Safety Building on the campus was constructed with passive solar design features. The slab-on-grade brick building has 3081 square feet of conditioned space, an ample south-facing solar aperture with clerestory and an air-to-air heat pump system. A comparative winter heat load assessment has been made in order to determine the fraction of the heat load which can be met by the winter sun (Norfolk, VA 37°N Latitude), and more importantly to probe differences which result when various heat load estimating methods are employed. Techniques employed included the degree day method·, bin method with and with …