Index Catalog // ScholarsArchive@OSU

Modeling the thermal inkjet firing process

Creator:: Davis, Colin C.
Abstract:: A numerical model has been developed to simulate the firing of an inkjet printhead. The model evaluates the heat generation and diffusion within the thin film structure, the phase change and vapor bubble growth in the ink, and the subsequent flow of ink from the orifice. The heat transfer is...
Resource Type:: Masters Thesis
Full Text:: ,.+02±(2,,2-1at cos 2a 2b cos 2c L a2 b2 a2 j 28 where a, b, and c are the cube's

Dynamic finite element analysis of micropolar elastic materials

Creator:: Kim, Jong-bum, 1960-
Abstract:: In granular or fibrous materials, in which the dimensions of the internal structure can be of the same order of magnitude as major flaws or holes, classical elasticity theory does not consistently provide accurate models of the large stress gradients that may develop. With the incorporation of additional rotational degrees...
Resource Type:: Dissertation

Three-dimensional, nonlinear viscoelastic analysis of laminated composites : a finite element approach

Creator:: Wang, Min
Abstract:: Polymeric composites exhibit time-dependent behavior, which raises a concern about their long term durability and leads to a viscoelastic study of these materials. Linear viscoelastic analysis has been found to be inadequate because many polymers exhibit nonlinear viscoelastic behavior. Classical laminate theory is commonly used in the study of laminated...
Resource Type:: Dissertation
Full Text:: : Timothy C. Kennedy Polymeric composites exhibit time-dependent behavior, which raises a concern about

Evaluation of copper to superconductor area ratio measurement techniques for niobium-titanium composite superconducting wire

Creator:: Pyon, Taeyoung
Abstract:: Measurement of the copper to superconductor ratio (Cu/SC) in composite superconducting wires is necessary for process control, quality assurance, and characterization of the final wire properties. A comparison has been made of three techniques for measuring the Cu/SC ratio on a set of commercial wires produced for the Superconducting SuperCollider...
Resource Type:: Masters Thesis
Full Text:: . E. G. Wolff, and Dr. A. C. Weideman for their advice and assistance. The financial support and

A study of a diffusionally controlled reactive synthesis process using a multi-tube diffusion flame burner

Creator:: Snell, Douglas C.
Abstract:: A continuous process for the production of ceramic materials has been studied. This method reacted metal and oxidizer in a diffusionally controlled process, demonstrated by reacting a magnesium particle stream and hot water vapor. Many small rich hydrogen/air diffusion flames provide an atmosphere of hot water vapor, hydrogen, and nitrogen...
Resource Type:: Dissertation
Full Text:: a Multi-tube Diffusion Flame Burner by Douglas C. Snell A THESIS Submitted to Oregon State

A numerical study of solid fuel combustion in a moving bed

Creator:: Ko, Daekwun
Abstract:: Coal continues to be burned by direct combustion in packed or moving bed in small size domestic furnaces, medium size industrial furnaces, as well as small power stations. Recent stringent restrictions on exhaust emissions call for a better understanding of the process of combustion of coal in beds. The present...
Resource Type:: Dissertation
Full Text:: fraction of solid species j in solid, [kg of solid species j/kg of solid] Subscripts A Ash C Carbon

A study of laser generated Rayleigh and Lamb waves in graphite/epoxy composites

Creator:: Park, Heeyong
Abstract:: The application of laser generated ultrasonics was first demonstrated in the mid-seventies and has shown good potential when applied to isotropic materials. However, its use with composite materials is still in the early stages of development. This study explores the potential for application of laser generated Rayleigh and Lamb waves...
Resource Type:: Dissertation
Full Text:: like to express my deepest gratitude to Professor C. A. Calder, for his academic guidance and

A nonlocal damage theory for laminated plate with application to aircraft damage tolerance

Creator:: Nahan, Matthew F.
Abstract:: Design of commercial aircraft structure, composed of composite material, requires the prediction of failure loads given large scale damage. In particular, a fuselage of graphite/epoxy lamination was analyzed for damage tolerance given a standard large crack that severed both skin and internal structure. Upon loading, a zone of damage is...
Resource Type:: Dissertation
Full Text:: A nonlocal damage theory for laminated plate with application

Transient nonlinear deformations of viscoelastic membranes

Creator:: Jenkins, Christopher H. M.
Resource Type:: Dissertation
Full Text:: possible. Thanks are also due to other members of my committee: Dr. Clarence A. Calder, Dr. Timothy C

Computational modeling of Lorentz force induced mixing in alkali seeded diffusion flames

Creator:: Thompson, Jon Ira
Abstract:: Lorentz forces provide a unique method for the control and mixing of gas flows without the physical intrusion of objects into the flow. Lorentz forces arise when an electric current is passed through a volume in the presence of a magnetic field. The interaction between the electric current and the...
Resource Type:: Masters Thesis
Full Text:: electric field instead of the electric current: 2 /// jz2 dy Ez2&ay 2 (26)W c r E dulyJ a a By

ScholarsArchive@OSU

Modeling the thermal inkjet firing process

Dynamic finite element analysis of micropolar elastic materials

Three-dimensional, nonlinear viscoelastic analysis of laminated composites : a finite element approach

Evaluation of copper to superconductor area ratio measurement techniques for niobium-titanium composite superconducting wire

A study of a diffusionally controlled reactive synthesis process using a multi-tube diffusion flame burner

A numerical study of solid fuel combustion in a moving bed

A study of laser generated Rayleigh and Lamb waves in graphite/epoxy composites

A nonlocal damage theory for laminated plate with application to aircraft damage tolerance

Transient nonlinear deformations of viscoelastic membranes

Computational modeling of Lorentz force induced mixing in alkali seeded diffusion flames

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