Open Access. Powered by Scholars. Published by Universities.®
- Discipline
- Keyword
-
- Computer programs (4)
- Florida (4)
- Cost of operation (2)
- Power plants (2)
- Power resources (2)
-
- Refuse and refuse disposal (2)
- Solar water heaters (2)
- Traffic engineering (2)
- Water pollution (2)
- Water purification (2)
- Accounting (1)
- Acetone (1)
- Analog computers (1)
- Aquifers (1)
- Aquifers in southern states (1)
- Automobiles (1)
- Brevard County (1)
- Camp Challenge (1)
- Circuits (1)
- Computer graphics (1)
- Computer program language (1)
- Computer programming (1)
- Computer simulation (1)
- Cooling (1)
- Corrosion and anti corrosives research (1)
- Cost (1)
- Cost effectiveness (1)
- Database management (1)
- De Kalb County (1)
- Design and construction (1)
Articles 1 - 30 of 44
Full-Text Articles in Engineering
Dynamic And Stability Characteristics Of An Articulated Frame Railway Passenger Truck, David Kenneth Platner
Dynamic And Stability Characteristics Of An Articulated Frame Railway Passenger Truck, David Kenneth Platner
Retrospective Theses and Dissertations
Mass transit vehicles in formal rail service frequently attain speeds which can excited carbody oscillations (primary hunting), as well as sustained lateral oscillations of the trucks (secondary hunting). The carbody motions have been shown to generate passenger discomfort and sustained truck hunting can lead to derailment. This thesis developed approximate equations which predict the carbody hunting frequencies, as well as the hunting speed of an articulated frame truck. The linear equations of motion are derived from a simplified model of a railway vehicle. A comparison indicates the results obtained using the approximate truck hunting equation presented here are within ten …
Carbon Removal Of Organohalides In Drinking Water, William Ray Mccurley
Carbon Removal Of Organohalides In Drinking Water, William Ray Mccurley
Retrospective Theses and Dissertations
Drinking water samples provided by Orlando Utilities from various locations and from Florida Technological University were analyzed for organohalides. Compounds tentatively identified were 0.0024 mg/l DDT, 0.003 mg/l phosdrin, 0.00036 mg/l BHC, and 0.000095 mg/l endosulfan. These concentrations are well below recommended limits for drinking water. Two water samples were mixed with 10 mg/l of 20-40 mesh granular activated carbon, agitated for 2 minutes and then allowed to settle in the flask for 45 minutes. A reduction in the organohalide concentration varied from 25 to 98 percent of the original concentration. Also, a solution of seven common pesticides of 0.1 …
A Computer Simulation Of A Weapons Fire Simulator Modeled By Sceptre As An Optical Communication Channel, John James Cormack
A Computer Simulation Of A Weapons Fire Simulator Modeled By Sceptre As An Optical Communication Channel, John James Cormack
Retrospective Theses and Dissertations
This paper presents a method of simulating various noise sources in a Weapons Fire Simulator System which has been modeled as an Optical Communication Channel. This Weapons Fire Simulator System is composed of laser transmitters mounted on weapons that fire blank cartridges, and laser receivers mounted on targets. The laser transmitter sends out 'kill' beam pulses to the target whenever blank cartridges are fired. Detection of these pulses at the target signifies a 'hit'. The entire system along with the optical communication channel is simulated in a general purpose computer program called SCEPTRE. This analysis package is an efficient means …
Application Of Solar Energy To The Solvent Reclamation Industry, Arthur H. Litka
Application Of Solar Energy To The Solvent Reclamation Industry, Arthur H. Litka
Retrospective Theses and Dissertations
An analysis of an operational industrial acetone reclamation system is performed to ascertain the possibility of its adaptation of solar thermal energy augmentation using fixed orientation, flat plate solar collectors. Currently, the system utilizes and oil fired heater for the thermal input. The water is heated to 185°F (85°C) and circulated through a heat exchanger which is immersed within the contaminated acetone solution. The solvent is thereby vaporized, condensed, and drawn off for reuse. Analytical models of two possible configurations utilizing a series of commercially available, flat plate solar collectors, a hot water storage tank, and an oil fired auxiliary …
Stormwater Infiltration Thru Sewer Lines In Brevard County, Florida, Robert Earl Stubbe
Stormwater Infiltration Thru Sewer Lines In Brevard County, Florida, Robert Earl Stubbe
Retrospective Theses and Dissertations
This is a broad study of stormwater infiltration and inflow effects on two sewer systems with an equivalent size for comparison in Brevard County, Florida. The systems are Rockledge, which is located on the highest ground in the area, and Cocoa Beach, which is located down in the local water table. Rainfall data, sewage flow, quality, and flow rates were collected from the Brevard Public Health Department, Cocoa Beach and Rockledge sewage Plants, weather stations, and the Cocoa Water plant. The data indicated minimum, or no infiltration thru the Rockledge wastewater collection system. However, infiltration thru the Cocoa Beach system …
Analytical And Experimental Investigation Of Thermosyphon Solar Hot Water Systems, William E. Clark
Analytical And Experimental Investigation Of Thermosyphon Solar Hot Water Systems, William E. Clark
Retrospective Theses and Dissertations
A computer simulation of a thermosyphon system allowing load drawoff and non-ideal weather conditions has been developed. The model is restricted to the more common single cover, flat plate collector system. Using an analysis based on the present literature, this model calculates the energy absorbed by the collector, the temperature distribution through the system, and the corresponding flow rate. Experimental data for a non-ideal day is compared to the computer simulation. Results of this comparison indicate that the desired parameters, flow rate, collector inlet and outlet temperatures, and the mean tank temperature can be predicted by this model to within …
A Simulator For The Motorola M6800 Microprocessor, Carolyn Elizabeth Jordan
A Simulator For The Motorola M6800 Microprocessor, Carolyn Elizabeth Jordan
Retrospective Theses and Dissertations
The Motorola Company has developed a microprocessor called the M6800 Microprocessor. While the microprocessor is being configured, it is general practice to develop the software at the same time. This is where simulation of the proposed hardware operation can become very important to the success of the design effort. The simulator duplicates the microprocessor execution of machine language instructions on another computer. The simulator discussed in this paper is denoted the SIM6800. The purpose of this paper is to describe the structure, coding, and execution of the SIM6800 simulator. A User's Guide and sample program have been included.
A Diffraction Model For Prediction Of Radar Signal Attenuation By A Rocket Exhaust Plume, Douglas Harrison Sphar
A Diffraction Model For Prediction Of Radar Signal Attenuation By A Rocket Exhaust Plume, Douglas Harrison Sphar
Retrospective Theses and Dissertations
This report documents the development of a method of estimating the signal attenuation induced by a rocket exhaust plume. The method is applicable to the early system design phase of high energy solid propellant rockets that produce highly ionized exhaust plumes. The method is based on the premise that when a plume is highly ionized, observed signal levels can be explained by assuming the signal propagates around the plume. A simple diffraction at a straight edge model is developed and compared to measured data. The report also provides an overview of exhaust plume electromagnetics and surveys prediction techniques.
Development Of A Digitally Controlled Time Base Generator For Analog And Hybrid Computers, Judson Kenneth Bishop
Development Of A Digitally Controlled Time Base Generator For Analog And Hybrid Computers, Judson Kenneth Bishop
Retrospective Theses and Dissertations
No abstract provided.
Life Cycle Cost Model As Applied To Training Simulators, Frederick Adrian Davis
Life Cycle Cost Model As Applied To Training Simulators, Frederick Adrian Davis
Retrospective Theses and Dissertations
No abstract provided.
Solid Waste Resource Recovery Plan For Dekalb County Georgia, Ivan Ray Dory
Solid Waste Resource Recovery Plan For Dekalb County Georgia, Ivan Ray Dory
Retrospective Theses and Dissertations
A study was made of the feasibility of implementing a system of Resource Recovery from the solid wastes of an urban county in Georgia. A review was made of the existing solid waste management practices and present generation rates. A projection of future waste quantities and composition was made. A review of the present state of the art of recovering resources from solid waste was made to determine what systems could be developed for the County. An analysis of the estimated costs during a test year for three alternative systems for disposal was made to determine a least cost alternative. …
A Comparison Of A Gasp And A Gpss Simulation Of An Avl Operational System, Barry Walden Dupuis
A Comparison Of A Gasp And A Gpss Simulation Of An Avl Operational System, Barry Walden Dupuis
Retrospective Theses and Dissertations
The purpose of this research report is to compare two simulation languages; GASP and GPSS. An economical comparison was performed by simulating the same system in each language and examine parameters such as run time, core size, program time, and debug time. A statistical comparison of the results of the system simulation was also performed using a 90% confidence level testing procedure. The system simulated was the proposed Orlando Police Department Automatic Vehicle Locator (AVL) Operational System.
A Survey Of Weapon System Cost Effectiveness Methodologies, John T. Fritz
A Survey Of Weapon System Cost Effectiveness Methodologies, John T. Fritz
Retrospective Theses and Dissertations
A survey of cost effectiveness methodologies used in the defense industry is presented and an application of cost effectiveness is developed. A breakdown in the level of the decisionmaking is made and follows the example of the Weapon System Effectiveness Industry Advisory Committee. Examples of cost effectiveness methodologies at each decisionmaking level are shown.
Factors In Modeling Floridan Aquifer Recharge, Harlan Alfred Hannah
Factors In Modeling Floridan Aquifer Recharge, Harlan Alfred Hannah
Retrospective Theses and Dissertations
No abstract provided.
Energy Resource Allocation Optimization: A Mixed Integer Programming Fixed Charge Model, Mashaallah Khorsandi
Energy Resource Allocation Optimization: A Mixed Integer Programming Fixed Charge Model, Mashaallah Khorsandi
Retrospective Theses and Dissertations
A fixed charge model has been developed for a case study of a total energy power plant involving energy demands for chilled water, high temperature hot water, and electrical power. Using a FORTRAN computer program, which employs the Land and Doig branch and bound algorithm, the system model is solved for different sets of system demands for multiple energy users, and the following set of information is obtained to guide the decisions of operations personnel: 1. Recommend on/off status for each piece of equipment in the system. 2. Recommended rate of operation for each piece of machinery. 3. Required amounts …
An Interactive Information System For Tracking Student Academic Progress And For Projecting Quarterly Course Enrollments, Marilyn Sellers Khorsandi
An Interactive Information System For Tracking Student Academic Progress And For Projecting Quarterly Course Enrollments, Marilyn Sellers Khorsandi
Retrospective Theses and Dissertations
An interactive information system has been developed for the College of Engineering to promote faster and more accurate trial advisement interviews between professors and the students they advice. This system also provides departmental administrative personnel with information to guide course scheduling. The system has the capability of providing the following information concerning undergraduate students enrolled in the College of Engineering: 1. A student's academic progress toward graduation. 2. A projection for four quarters of enrollments in engineering core courses. 3. The current status of any course offered as a requirement for obtaining a Bachelor's Degree in one of the Engineering …
Seminole County, Florida Solid Waste Management Plan, Paul A. Magnant
Seminole County, Florida Solid Waste Management Plan, Paul A. Magnant
Retrospective Theses and Dissertations
The Seminole County, Florida solid waste transportation network was examined to determine alternate locations of transfer stations. The scope of this study is limited to transportation and assumed disposal costs. Collection costs are not included. Review of past generation records was conducted and a per capita generation rate of 4 lbs/day was determined. This compared favorably to a 4.06 lbs/day for Orange and Brevard County. The cost per ton for the present solid waste management system was computed and compared to alternative systems. The present system was compared to several alternatives by altering the number and changing the locations of …
Torque-Speed Linearization Of A D.C. Servo System, Nicholas A. Mantello
Torque-Speed Linearization Of A D.C. Servo System, Nicholas A. Mantello
Retrospective Theses and Dissertations
In early 1973 Professor Fred O. Simons Jr., of Florida Technological University, suggested the topic for this research report. During control engineering discussions, it was proposed that a D.C. Shunt Motor could be constrained to perform in an idealized sense for the static case. The purpose of this report is to provide a reasonably comprehensive examination of a control which linearizes the torque-speed relationship of a dc servo system. The fundamental goal is to determine a control which linearizes the torque-speed output relation of a system, in which a dc shunt motor is under basic armature control. Consequently, the emphasis …
Work Sampling And Methods Improvements In Shipment Preparation, Michael P. Mccann
Work Sampling And Methods Improvements In Shipment Preparation, Michael P. Mccann
Retrospective Theses and Dissertations
A study was undertaken in the Shipping Center of Rohm and Haas Chemical Company in Philadelphia, Pennsylvania to determine what course of action should be taken to reduce overall costs in a labor oriented shipment preparation operation. This activity, which currently utilizes a complement of twenty-seven people, involves the preshipment labelling and stenciling of product and customer information to metal drums and pails plus various other preparation requirements. A work sampling was performed to determine manpower requirements by work category and this information was used to direct the methods improvements study into the most lucrative areas. By transferring the responsibility …
Security In Automatic Data Processing Systems, Eduardo G. Mendez
Security In Automatic Data Processing Systems, Eduardo G. Mendez
Retrospective Theses and Dissertations
Security in automatic data processing systems is concerned with the protection of equipment and data against unauthorized modifications or destruction, and accidental or intentional disclosure of information. This report consists of two parts: 1. An overview of current literature in the field. In this part, basic problems and solutions, terminology and concepts found in the theoretical aspects of data processing systems security are described. 2. A survey of the state of art in a sample area. During the survey, information about actual applications of security methods in the Orlando, Florida area was collected. This information was gathered by means of …
Design And Development Methods For Project Mis, William F. Morwood
Design And Development Methods For Project Mis, William F. Morwood
Retrospective Theses and Dissertations
No abstract provided.
Analytical And Experimental Investigation Of Pumped Solar Hot Water Systems, Jeffrey B. Pearce
Analytical And Experimental Investigation Of Pumped Solar Hot Water Systems, Jeffrey B. Pearce
Retrospective Theses and Dissertations
A transient computer model of a forced circulation solar hot water system has been developed. The model allows for capacitance effects by solving the energy balances on a four node model of the solar collector. The tank model is designed to include the presence of an auxiliary heater and to allow for the nonideal condition of load drawoff. Five tests were done to validate the computer model. These tests include a comparison of the computer simulation with experimental data and a model available in the literature. The results of these tests indicate that the computer model is able to predict …
Evaluation And Use Of Dynamic Analysis Capabilities Of Ices Strudl Ii, Hugh M. Roberts
Evaluation And Use Of Dynamic Analysis Capabilities Of Ices Strudl Ii, Hugh M. Roberts
Retrospective Theses and Dissertations
No abstract provided.
A Computer Graphics Analysis Of A Freeway Merge Control System, Thomas Alan Risher
A Computer Graphics Analysis Of A Freeway Merge Control System, Thomas Alan Risher
Retrospective Theses and Dissertations
In 1975, C.S. Bauer completed a doctoral dissertation at the University of Florida which treated the Green Band Merging Control System on I-75 in Tampa, Florida. In this work, Bauer suggested the possibility for the use of computer graphics as a toll for analysis of the bands generated by the Green Band Control System Simulation developed in his dissertation. The use of computer generated movies of the bands displayed to ramp drivers by the system allows the comparison of various band control strategies without the need for field implementation and testing. With the goal of producing such films in mind, …
System Safety In Rail Transportation, Quave Norvell Smith
System Safety In Rail Transportation, Quave Norvell Smith
Retrospective Theses and Dissertations
This thesis "System Safety in Rail Transportation," is addressed to an individual having a basic technical background but little or no experience in this field. The thesis discusses the need for and the benefits to be obtained by using system safety techniques and principles in the railroad industry. Examples of typical railroad accidents are reviewed, and it is pointed out that analysis of the hazards in the railroad industry prior to the accidents would have identified problems which eventually resulted in the accidents. The system safety approach, which was developed for use in the aerospace and aviation fields, has proved …
A Study Of Differences In Vertical Phosphorus Profiles Within The Sediments Of Selected Florida Lakes As Related To Trophic Dynamics, Edgar Allen Stewart Iii
A Study Of Differences In Vertical Phosphorus Profiles Within The Sediments Of Selected Florida Lakes As Related To Trophic Dynamics, Edgar Allen Stewart Iii
Retrospective Theses and Dissertations
Several Florida lakes with different documented trophic state indices were selected for sediment analysis. Vertical sections of the sediment were taken at depths of .1, .5, 1, 2, 3, 4, 5, 6, 10 and l5 centimeters below the surface of the sediment-water interface. Total Phosphorus analysis was done on each section. The profile presented was then evaluated and was found that the profiles best fit the equation Y = X/ (A + BX), where Y is the Phosphorus Concentration in ppm and X is the sediment depth in cm. Correlation between the trophic state and the profiles characteristics are presented. …
Techniques For Determination Of Complex Permittivity Of Dielectric Materials At Microwave Frequencies, Witold J. Trett
Techniques For Determination Of Complex Permittivity Of Dielectric Materials At Microwave Frequencies, Witold J. Trett
Retrospective Theses and Dissertations
No abstract provided.
The Effect Of Sweep Rates On Linear Polarization Resistance Measurements, Ronald S. Tulino
The Effect Of Sweep Rates On Linear Polarization Resistance Measurements, Ronald S. Tulino
Retrospective Theses and Dissertations
A study of Linear Polarizations Resistance Measurements for silver metal immersed in a solution of AgNO3 and HNO3 to determine the effect of varying potential sweep rates has been made. Results indicate that for the system under investigation the Polarization Resistance is a non-linear function of potential sweep rate.
A Comparative Study Of Forecasting Techniques For The Us Air Force Medical Material Management System, Phillip John Van Ess
A Comparative Study Of Forecasting Techniques For The Us Air Force Medical Material Management System, Phillip John Van Ess
Retrospective Theses and Dissertations
A computer simulation experiment was conducted to evaluate and compare five individual forecasting models across nine different demand patterns. The models were based on the Medical Materiel Management System used by the US Air Force hospitals. Results indicated the best model varied depending on the demand pattern, the safety stock level, the noise level of the demand pattern, and the measure of forecast error. Across all demand patterns, exponential smoothing and 12-month moving average were best for the short term forecast used by the system, regardless of noise level in the demand patterns. Analysis of models within a single demand …
Theory Of Eddy Currents For Nondestructive Testing, Craig Charles Biddle
Theory Of Eddy Currents For Nondestructive Testing, Craig Charles Biddle
Retrospective Theses and Dissertations
Eddy current inspection methods are used extensively in industry for the nondestructive testing of a wide variety of materials and product applications. The general theory of eddy current inspection is described. Equations defining the depth of penetration are derived from Maxwell's equations. Signal analysis methods are described using coil impedance diagrams. The impedance diagrams for a number of inspection applications are presented. A discussion of the techniques for theoretical calculation of the impedance of a coil is described. Typical coil configurations and instrumentation techniques are discussed.