Index Catalog // ScholarsArchive@OSU

Fracture toughness of void-site-filled skutterudites

Creator:: Eilertsen, James S.
Abstract:: Thermoelectric materials are playing an increasingly significant role in the global effort to develop sustainable energy technologies. Consequently, the demand for materials with greater thermoelectric efficiency has stimulated the development of state-of-the-art interstitially doped skutterudite-based materials. However, since intermetallics are often embrittled by interstitial substitution, optimal skutterudite-based device design, manufacture,...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF James S. Eilertsen for the degree of Master of Science in Mechanical

A study of adiabatic and diabatic flow boiling in parallel microchannels and fractal-like branching microchannels

Creator:: Daniels, Brian J.
Abstract:: A one-dimensional numerical model has been developed to study diabatic and adiabatic flow boiling in microchannels. This model accounts for developing flow effects and variable property effects. The model uses correlations for void fraction and two-phase multipliers found in the literature. The model has been used to study the performance...
Resource Type:: Dissertation
Full Text:: DISSERTATION OF Brian J. Daniels for the degree of Doctor of Philosophy in Mechanical Engineering

A study of the characteristics of oscillatory surface instabilities leading to droplet formation

Creator:: Daniels, Brian J.
Abstract:: The characteristics of the free surface in an orifice driven by a periodic forcing function have been studied both theoretically and experimentally. In the theoretical study, two wall boundary condition cases were examined: 1) the radial velocity at the wall of the orifice is zero; and 2) the axial velocity...
Resource Type:: Masters Thesis
Full Text:: instabilities leading to droplet formation AN ABSTRACT OF THE THESIS OF Brian J. Daniels for the degree of

Solid/liquid phase change in small passageways : a numerical model

Creator:: Coven, Patrick J.
Abstract:: During the operation of phase-change ink-jet printers a bubble formation phenomenon often occurs. These bubbles are detrimental to the operation of the printer and substantial efforts are made to remove them. The objective of this research was 1: to develop a fundamental understanding of how bubble or void formation occurs...
Resource Type:: Masters Thesis
Full Text:: numerical model AN ABSTRACT OF THE THESIS OF Patrick J. Coven for the degree of Master of Science in

RANS and LES predictions of turbulent scalar transport in dead zones of natural streams

Creator:: Drost, Kevin J.
Abstract:: Natural stream systems contain a variety of ﬂow geometries which contain ﬂow separation, turbulent shear layers, and recirculation zones. This work focuses on streams with dead zones. Characterized by slower ﬂow and recirculation, dead zones are naturally occurring cutouts in stream banks. These dead zones play an important role in...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin J. Drost for the degree

Using discrete-event simulation to study the influence of log yard sorting on sawmill processing efficiency of small-diameter timber

Creator:: Pinon, Olivia J.
Abstract:: A sawmill is similar to other manufacturing enterprises when it comes to making decisions, scheduling production and meeting customer demands. In order to help sawmills achieve their goals, and because there is such a high degree of variability in the raw material used in this industry, computer simulation has proven...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Olivia J. Pinon for the degree of

An experimental study of combined forced and free convective heat transfer to non-Newtonian fluids in the thermal entry region of a horizontal pipe

Creator:: Kim, Yong Jin, 1956-
Resource Type:: Dissertation
Full Text:: Abstract approved: James R. Welty \, The case of combined free and forced convection heat transfer in

Interactions of a fully modulated inclined jet with a crossflow

Creator:: Dano, Bertrand P. E.
Abstract:: Jets in crossflow are used in a wide range of engineering applications and have been studied for more than 60 years. The transversal penetration and structure of a jet placed in a crossflow is known to be strongly three-dimensional. It is believed that, by using a pulsed jet inclined in...
Resource Type:: Dissertation
Full Text:: : Interactions of a Fully Modulated Inclined Jet with a Crgssflow. Abstract approved: James A. Liburdy Jets in

Microscale thermal management utilizing vapor extraction from a fractal-like branching heat sink

Creator:: Apreotesi, Mario A.
Abstract:: It is hypothesized that increases in pressure drop due to vapor generation during boiling in microchannels can be reduced by extraction of vapor at its point of inception. Ultimately, this local vapor extraction decreases the pressure drop required to drive the flow through a fractal-like branching, microchannel flow network within...
Resource Type:: Masters Thesis
Full Text:: Dr. James Liburdy for their continual input and direction in completing this project and paper

Combustion Characteristics of a Jet Fuel and its Surrogate in MILD Conditions

Creator:: Weide, Parker D.
Abstract:: This research seeks to identify how changes in temperature and oxygen concentration in the reaction zone affects liftoff heights for moderate or intense low-oxygen dilution (MILD) combustion of a jet fuel and a surrogate fuel. MILD combustion offers a method of burning fuels with reduced CO and NOx production by...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Fracture toughness of void-site-filled skutterudites

A study of adiabatic and diabatic flow boiling in parallel microchannels and fractal-like branching microchannels

A study of the characteristics of oscillatory surface instabilities leading to droplet formation

Solid/liquid phase change in small passageways : a numerical model

RANS and LES predictions of turbulent scalar transport in dead zones of natural streams

Using discrete-event simulation to study the influence of log yard sorting on sawmill processing efficiency of small-diameter timber

An experimental study of combined forced and free convective heat transfer to non-Newtonian fluids in the thermal entry region of a horizontal pipe

Interactions of a fully modulated inclined jet with a crossflow

Microscale thermal management utilizing vapor extraction from a fractal-like branching heat sink

Combustion Characteristics of a Jet Fuel and its Surrogate in MILD Conditions

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