Index Catalog // ScholarsArchive@OSU

Heat transfer during the piston-cylinder expansion of a gas

Creator:: Rodrigues, Matthew Jose
Abstract:: The expansion of a gas within a piston-cylinder arrangement is studied in order to obtain a better understanding of the heat transfer which occurs during this process. While the situation of heat transfer during the expansion of a gas has received considerable attention, the process is still not very well...
Resource Type:: Masters Thesis

The local conservation laws of the nonlinear Schrödinger equation

Creator:: Barrett, Johnner
Abstract:: The nonlinear Schrödinger equation is a well-known partial differential equation that provides a successful model in nonlinear optic theory, as well as other applications. In this dissertation, following a survey of mathematical literature, the geometric theory of differential equations is applied to the nonlinear Schrödinger equation. The main result of...
Resource Type:: Dissertation

High resolution spectroscopic studies of ³²S¹⁶O₃ and ³⁴S¹⁶O₃

Creator:: Barber, Jeffrey
Abstract:: The two sulfur isotopomers of sulfur trioxide, ³²S¹⁶O₃ and ³⁴S¹⁶O₃, have been studied via high resolution infrared and Coherent anti-Stokes Raman (CARS) spectroscopy. The v₁ symmetric SO stretching Q-branches observed by the latter are quite different, being especially complex for ³²S¹⁶O₃ Understanding this band structure required analysis of infrared-active hot...
Resource Type:: Dissertation
Full Text:: beautiful spectra anytime! Thanks also to my committee members, Glenn Evans, Mike Schuyler, Doug Keszler

Notions of complexity in substitution dynamical systems

Creator:: Wing, David Josiah
Abstract:: There has been a lot of work done in recent decades in the field of symbolic dynamics. Much attention has been paid to the so-called "complexity" function, which gives a sense of the rate at which the number of words in the system grow. In this paper, we explore this...
Resource Type:: Dissertation

Synthesis, structure and properties of some transition metal oxides

Creator:: Li, Jun
Abstract:: See pdf
Resource Type:: Dissertation
Full Text:: Keszler, Dr. Janet Tate, Dr. Glenn Evans, Dr. Philip Watson, and Dr. William Warren for serving in my

π-line reconstruction formulas in computed tomography

Creator:: Hass, Ryan Andrew
Abstract:: X-ray computed tomography is a noninvasive imaging modality capable of reconstructing exact density values of 3D objects. Computed tomography machines are deployed across the world to provide doctors with an image that reveals more detail than a standard x-ray image. We investigate algorithms based on exact computed tomography reconstruction formulas...
Resource Type:: Dissertation

The transient electric birefringence of nanomaterials: alignment mechanism, characterization, and its application towards aligned polymer nanocomposites

Creator:: Teters, Chad N.
Abstract:: The experimental and theoretical bases of transient electric birefringence (TEB) and its application in a variety of nanomaterials, including Na-montmorillonite, cellulose nanocrystals (CNXL), and CdSe quantum dots (QDs) will be presented. TEB is a phenomenon attributed to the alignment of particles in response to an applied electric field and has...
Resource Type:: Dissertation

Excited state molecular structural evolution and chemical reactivity studied by femtosecond stimulated Raman spectroscopy

Creator:: Han, Fangyuan
Abstract:: In this dissertation, my research work on excited state dynamics of small organic molecules in solutions is presented. Using femtosecond stimulated Raman spectroscopy (FSRS) as the main experimental tool, the excited state hydrogen-bonding dynamics (ESHBD) of Coumarin 102, a common laser dye molecule, in ethanol solution is examined with <150...
Resource Type:: Dissertation

The Stokes problem of fluid mechanics, Riesz transform, and the Helmholtz-Hodge decomposition : probabilistic methods and their representations

Creator:: Kim, HoeWoon
Abstract:: The flow of incompressible, viscous fluids in R³ is governed by the non-linear Navier-Stokes equations. Two common linearizations of the Navier-Stokes equations, the Stokes equations and the Oseen equations, are studied in this thesis using probabilistic methods. The incompressibility condition presents new challenges for the well known theory relating partial...
Resource Type:: Dissertation
Full Text:: committee members, Ed Waymire, Donald Solmon, Ralph Showalter, and Glenn Evans. Personal I wish to thank

Zero kinetic energy photoelectron spectroscopy of polycyclic aromatic hydrocarbons

Creator:: Zhang, Jie
Abstract:: In this dissertation, I present electronic spectra of a few polycyclic aromatic hydrocarbons (PAHs): tetracene, pentacene, pyrene, benzo[g,h,i]perylene and benzo[a]pyrene using resonantly enhanced multiphoton ionization (REMPI) and zero kinetic energy (ZEKE) photoelectron spectroscopy. The work of tetracene and pentacene also combine a laser desorption source with a ZEKE spectrometer, demonstrating...
Resource Type:: Dissertation

ScholarsArchive@OSU

Heat transfer during the piston-cylinder expansion of a gas

The local conservation laws of the nonlinear Schrödinger equation

High resolution spectroscopic studies of ³²S¹⁶O₃ and ³⁴S¹⁶O₃

Notions of complexity in substitution dynamical systems

Synthesis, structure and properties of some transition metal oxides

π-line reconstruction formulas in computed tomography

The transient electric birefringence of nanomaterials: alignment mechanism, characterization, and its application towards aligned polymer nanocomposites

Excited state molecular structural evolution and chemical reactivity studied by femtosecond stimulated Raman spectroscopy

The Stokes problem of fluid mechanics, Riesz transform, and the Helmholtz-Hodge decomposition : probabilistic methods and their representations

Zero kinetic energy photoelectron spectroscopy of polycyclic aromatic hydrocarbons

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