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Articles 31 - 36 of 36
Full-Text Articles in Engineering
A Binary Power Generation And Salt Water Distillation Cycle, Edward H. Hardison
A Binary Power Generation And Salt Water Distillation Cycle, Edward H. Hardison
Retrospective Theses and Dissertations
This research report discusses a binary power generation and salt water distillation cycle that was the subject of a feasibility study at Florida Technological University. The thermodynamic equations are derived and the results of a parametric study to determine optimum fluid properties is presented. This cycle produces power at efficiencies significantly higher than that of conventional cycles and at the same time produces a significant amount of fresh water. The efficiency is maintained even at the high turbine outlet temperature necessary to produce fresh water. The important quantities in considering they cycle efficiency and the fresh water production are the …
Design Of The Ultralight Two Place Gyroplane, Martin. Hollmann
Design Of The Ultralight Two Place Gyroplane, Martin. Hollmann
Retrospective Theses and Dissertations
No abstract provided.
Design Considerations For Extended Aeration-Denitrification Facilities, Frank Paul Huttner
Design Considerations For Extended Aeration-Denitrification Facilities, Frank Paul Huttner
Retrospective Theses and Dissertations
Design considerations and operating procedures were investigated for nitrogen removal in an extended aeration-denitrification facility. Both past and present removal efficiencies were evaluated for the facility, along with capital and operating cost data. The findings of this research indicate that at very long detention times, significant nitrification and denitrification occurred in the plant without the use of chemicals. Overall nitrogen, BOD5, and suspended solids removals were extremely high. The significance of this research is that future plants may achieve high rates of nitrogen removal through innovative design and operating procedures without the use of costly chemicals. However, capital costs needed …
A High Speed Pulse Code Laser Diode Modulator, John Lawrence Mcdonough
A High Speed Pulse Code Laser Diode Modulator, John Lawrence Mcdonough
Retrospective Theses and Dissertations
This research report reviews the basics of pulse code modulation (PCM) techniques and includes a special encoder design for a system which uses a laser diode output for the transmitted pulse. The text discusses PCM and its features, PCM formats, synchronization, and various accepted PCM codes. The encode circuit design is complete with a description of the circuit, circuit components, and operation. Included are the necessary diagrams, figures, specifications, and parts list. The transmitted output of the design circuit has a repetition rate of one megabit per second.
The Effects Of Variations In The Excitation Parameters Of Blast Waves On The High Frequency Response Of Circular Rings, Paul John Mirabella
The Effects Of Variations In The Excitation Parameters Of Blast Waves On The High Frequency Response Of Circular Rings, Paul John Mirabella
Retrospective Theses and Dissertations
The high frequency response of a circular ring of rectangular cross section interior to a conical shell excited by a blast wave is examined. The ring supports a rigidly attached mass during excitation. It is hypothesized that the response is a function of the four excitation parameters which characterize the loading. These are: peak reflected pressure; characteristic time (pulse duration); wave engulfment time; and circumferential distribution. These parameters are varied over a range of interest in an effort to ascertain the structural sensitivity to such perturbations. A series of tests sponsored by the Department of the Army and the Martin …
A Special Purpose Modem Design, William Lester Schulte
A Special Purpose Modem Design, William Lester Schulte
Retrospective Theses and Dissertations
A special purpose modem has been designed to fill the interface requirements peculiar to RCA's DatawayTmk hotel/motel data management system. The modem interface operates on dedicated telephone quality wiring over distances up to 4000 feet using frequency shift keying. A data rate of 2880 bits per second is achieved through the interface. This report discussed the requirements of the interface and details the worst case design of the modem transmitter and receiver sections. The approach used relies heavily upon the use of digital logic circuitry in the modulation and demodulation of the FSK signals.