Index Catalog // ScholarsArchive@OSU

Parametric manifolds

Creator:: Boersma, Stuart F.
Abstract:: A standard tool in general relativity is the 3+1 or ADM point of view, namely slicing spacetime into spacelike hypersurfaces of constant time and then describing physics in terms of time-dependent quantities on a typical such hypersurface. Much less well-known is the 1+3 point of view, in which one foliates...
Resource Type:: Dissertation

Distributional modes for quantum field theory in curved spacetimes

Creator:: Agnew, Alfonso F.
Resource Type:: Dissertation

A new look at the Ashtekar-Magnon energy condition

Creator:: Fischer, James P.
Abstract:: Quantum field theory has enjoyed much success, indeed for ordinary flat spacetime applications it has been experimentally verified to a great deal of accuracy. However on general cursed spacetime backgrounds there is no canonical method for constructing a quantum field theory. In 1975, Abhay Ashtekar and Anne Magnon made progress...
Resource Type:: Dissertation

The effects of computer graphics and mira on aquisition of transformation geometry concepts and development of mental rotation skills in grade eight

Creator:: Pleet, Lawrence Joseph
Abstract:: The purpose of this study was to investigate: (1) whether the use of the Motions computer program will be more effective in the acquisition of transformation geometry concepts in eighth-grade students than the use of the Mira hands-on manipulative, (2) whether the use of the Motions computer program will be...
Resource Type:: Dissertation

Ultralight fabric reflux tube thermal vacuum testing

Creator:: Pauley, Keith Alan
Abstract:: Five Ultra light Fabric Reflux Tubes (UFRTs) were tested in a thermal vacuum chamber at the National Aeronautics and Space Administration's Johnson Space Center in September 1994. These test articles were design and fabricated by staff at the Pacific Northwest Laboratory, operated by Battelle Memorial Institute for the United States...
Resource Type:: Masters Thesis
Full Text:: National Aeronautics and Space Administration's Johnson Space Center in September 1994. These test

Nuclear design analysis of low-power (1-30 KWe) space nuclear reactor systems

Creator:: Gedeon, Stephen R.
Abstract:: Preliminary nuclear design studies have been completed on ten configurations of nuclear reactors for low power (1-30 kWe) space applications utilizing thermionic energy conversion. Additional design studies have been conducted on the TRICE multimegawatt in-core thermionic reactor configuration. In each of the cases, a reactor configuration has been determined which...
Resource Type:: Masters Thesis
Full Text:: Research Center, National Aeronautics and Space Administration. Finally, I would like to acknowledge the

Modeling phosphor space charge in alternating-current thin-film electroluminescent devices

Creator:: Keir, Paul D.
Abstract:: The accomplishments presented in this thesis are the development of three models for simulation of space charge generation in the phosphor layer of alternating current thin-film electroluminescent (ACTFEL) devices and the results from simulation of these models. First, a single sheet charge model is developed and simulated. The single sheet...
Resource Type:: Masters Thesis
Full Text:: model and all subsequent models, space charge creation is assumed to occur by field emission from bulk

Sharing the past effectively : an evaluation of excavations in the Passport In Time program

Creator:: Dickson, Catherine E.
Abstract:: The United States Forest Service's Passport In Time program is designed to involve the public in archaeology on National Forest land. Three of the program's goals are: 1) allow archaeologists to conduct research they would not otherwise have the time or the budget to conduct; 2) teach the public about...
Resource Type:: Masters Thesis
Full Text:: and archaeologists who gave freely of their time to make this project possible. TABLE OF CONTENTS

Russet Burbank response to nitrogen fertilization and planting date

Creator:: Thornton, Robert Kim, 1957-
Abstract:: Studies addressed impacts of planting dates and variable N applications on numbers and size of Russet Burbank stems and stolon nodal position in relation to tuber growth and levels of hollow heart (HH) and brown center (BC). Low preplant N regimes produced larger tubers and final yields, and less HH...
Resource Type:: Dissertation

Experimental simulations of a rotating bubble membrane radiator for space nuclear power systems

Creator:: Al-Baroudi, Homan Mohammed-Zahid
Abstract:: A rotating, flat plate condensation experiment has been developed to investigate the heat of the Rotating Bubble Membrane Radiator (RBMR). The RBMR is a proposed heat rejection system for space applications which uses working fluid condensation on the inside surface of a rotating sphere to reject heat to space. The...
Resource Type:: Dissertation
Full Text:: microgravity environment of space by orienting the axis of rotation parallel to the gravitational vector and

ScholarsArchive@OSU

Parametric manifolds

Distributional modes for quantum field theory in curved spacetimes

A new look at the Ashtekar-Magnon energy condition

The effects of computer graphics and mira on aquisition of transformation geometry concepts and development of mental rotation skills in grade eight

Ultralight fabric reflux tube thermal vacuum testing

Nuclear design analysis of low-power (1-30 KWe) space nuclear reactor systems

Modeling phosphor space charge in alternating-current thin-film electroluminescent devices

Sharing the past effectively : an evaluation of excavations in the Passport In Time program

Russet Burbank response to nitrogen fertilization and planting date

Experimental simulations of a rotating bubble membrane radiator for space nuclear power systems

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