Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 505 for “"D.C."”.
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H₂O D.C.: The Renaissance of Water Culture in D.C.
Washington DC is seen as a center of politics, bureaucracy, litigation, legislation, and the trading of power and resources. For this reason outsiders are both attracted to and repelled from our city. For many of us transplants and government workers, a large portion of our collective self-image is …
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D.C. beautification / Visual quality
Thesis. 1974. M.Arch.A.S.--Massachusetts Institute of Technology. Dept. of Architecture.
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Washington D.C. | Olympic Metamorphosis
This thesis began by studying how a temporary event could create permanent architecture and how that architecture could change an urban lifestyle. I chose the Olympics as the event and proposed that they be held in Washington D.C., a city of international prominence with a rich design history but a …
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Washington, D.C. Center for Filmmaking
The Washington, D.C. Center for Filmmaking is placed in the middle of a growing area of different uses, on the block bordered by 8th, 9th G and H streets. Across G street, the old Patent Office now houses the national Museum of American Art and the National Portrait Gallery. Churches, schools, and …
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Embassy of Lebanon, Washington, D.C.
An Edifice that establishes Identity through spatial Experience. An Environment traditional in its Values, modern in its Language, yet capturing a Mood inherent to Lebanon. An Architecture that Reveals a sense of Unity around a Central Court. A Design that reflects an Attitude toward the Totality …
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Direct digital control of D.C. machines
This thesis set out to improve on previous methods of digital control of a three phase fully controlled thyristor bridge, using phase control of the thyristors, and to use this bridge for the purpose of controlling the speed of a separately excited D. C. machine, under the supervision of a small …
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The stability of a D.C. shunt motor.
Abstract not available.
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Direct digital control of a D.C. machine
The object of this thesis is to build an interface between a computor and a three phase thyristor bridge rectifier, enabling the computor to control its D.C. output voltage. By writing a suitable computor program, this system was extended to provide closed loop computor control of the speed of a …
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Civic Sounds; A Music Conservatory for D.C
"If it sounds good, it is good." - Duke Ellington "Like music, a work acquires its value only through the love it manifests." - Eileen Gray "...but in the mud and scum of things There alway, alway something sings." - R.W. Emerson
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Sensorless starting of a brushless D.C. motor
Permanent magnet brushless DC motors that have found wide application in high performance servo drives need absolute rotor position sensors. However, the cost of the position sensor limits the use of brush less DC motors for low performance applications such as automotive and home appliances. A …
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An Urban Soccer Stadium for Washington D.C.
Expansive parking lots, miles of asphalt, and traffic jams: this is what the modern sport stadia has come to represent. Does it have to be this way? What does the future of sports stadia hold? Can we build a stadium that is better integrated to the community around it? The stadium must become a …
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«L’imperatore è ciò che fa»? Aspetti di storia economica e sociale attraverso le costituzioni imperiali (96 d.C.-192 d.C.)
Questa ricerca si propone di riconoscere e comprendere l’azione degli imperatori del II secolo d.C. su temi inerenti al tessuto economico e sociale dell’impero. Alla base di essa è una selezione tipologica del materiale oggetto d’indagine, dettata dalla necessità di indagare i fatti storici di …
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Living in the city: housing in Washington, D.C./
This project is an attempt to reconstruct a residential neighborhood in the old downtown Washington, D.C. The design tries to transform a deteriorated old commercial block to a lively residential neighborhood by introducing attractive urban characters to the area while maintaining the existing …
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Feasibility Study of High Current Transistor D.C. Choppers
This dissertation describes an investigation into the feasibility of high current transistor d.c. choppers.<br/><br/>Present d.c. choppers employ thyristors and are expensive due to the turn-off circuits required. The use of low cost power transistors in electric vehicle chopper controllers is …
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Mathematical modeling of D.C. electric arc furnace operations
A fundamental study of the Direct Current Electric Arc Furnace (DC-EAF) for steel-making has been carried out through the development of a rigorous mathematical model. The mathematical representation involves the simultaneous solution of Maxwell's equations for the electromagnetic fields, and the …
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National Museum of Film and Photography, Washington, D.C.
The origins of this project lie in a desire to understand the relationship that exists between light and architecture. Natural light has always played a role in the evolution of architecture, helping us make countless decisions about the things we build. From their siting to their plan, to the …
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Intermediary of Opposites/Turkish Embassy at Washington D.C.
The objective of this thesis is not only to design a building or investigate an idea, but also to explore and learn to appreciate what is truly important and, hope- fully, to discover that part of truth which may lead us to a serenity in our souls. My entire struggle is basically to try to achieve …
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A photometric study of the enclosed D.C. arc lamp
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1903.
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Germantown, a corridor-city, satellite town of Washington, D.C.
Massachusetts Institute of Technology. Dept. of Architecture. Thesis. 1967. M.Arch.
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