Index Catalog // ScholarsArchive@OSU

Phase Separation in Microscale Convective Boiling

Creator:: Lewis, Kevin Terrence
Abstract:: It is hypothesized that extracting the vapor from two-phase flow in a microchannel will result in a lowered pressure drop required to drive the flow. The goal of this thesis is to construct an experimental device that will test this hypothesis by comparing a number of phase separating test conditions...
Resource Type:: Honors College Thesis
Full Text:: ABSTRACT OF THE THESIS OF Kevin Terrence Lewis for the degree of Honors Baccalaureate 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

Development of a small scale scroll expander

Creator:: Harada, Kevin J.
Abstract:: The organic Rankine cycle (ORC) is a versatile approach in the utilization of waste heat in the production of electricity, clean drinking water, and cooling. The efficiency of these cycles must be maximized to make them economical. Parameters for the optimization of ORCs such as evaporator and condenser temperature have...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin J. Harada for the degree of Master of Science in Mechanical

Direct Numerical Simulation of a Flat Wing with a Movable Front Flap at High Angles of Attack and Low Reynolds Numbers

Creator:: Drost, Kevin J.
Abstract:: Low Reynolds number airfoils have become of interest recently for applications on Micro-air Vehicles (MAVs). Airfoils at low Reynolds numbers and high angles of attack are known to be unstable due to low lift to drag ratios. This study investigates the effect of a movable leading edge flap on the...
Resource Type:: Honors College Thesis
Full Text:: Thesis AN ABSTRACT OF THE THESIS OF Kevin J

Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

Creator:: Lewis, Kevin T.
Abstract:: As drop-on-demand (DOD) applications continue to gain ground in desktop inkjet-printing, 3D printing, fluid mixing, and other areas the demand for higher frequency operations are beginning to push against the current physical boundaries in DOD technology. The current research is exploring the possibility of controlling drop volume and velocity at...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin T. Lewis for

The Applicability of Linear Elastic Fracture Mechanics to Compressive Damage of the Carbon Fiber Reinforced Plastic Matrix

Creator:: Carpenter, Kevin T.
Abstract:: With the widespread replacement of aluminum with composite materials, particularly in aircraft structures, the lack of comprehensive understanding of these materials is unsettling. The complex nature of these materials, with respect to isotropic aluminum, makes the prediction of their mechanical response equally complex. The failure of carbon fiber reinforced plastic...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin Tyler

Passive dynamics and their influence on performance of physical interaction tasks

Creator:: Kemper, Kevin C., II
Abstract:: For robotic manipulation tasks in uncertain environments, research typically revolves around developing the best possible software control strategy. However, the passive dynamics of the mechanical system, including inertia, stiffness, damping and torque limits, often impose performance limitations that cannot be overcome with software control. Discussions about the passive dynamics are...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Kevin C. Kemper for the degree

Design, modeling, and performance of miniature reciprocating thermocompressor

Creator:: Edwards, Michael J.
Abstract:: Research in the miniaturization of thermomechanical systems in recent years has proven to be both rewarding and challenging. Micro-scale devices have tremendous technological potential but come with a new set of design problems. One such problem is energy storage. Heat actuated systems, driven primarily by thermal energy, take advantage of...
Resource Type:: Masters Thesis
Full Text:: readily available and supportive. I would like to thank my committee members Kevin Drost, Robert

Numerical design of a high-flux microchannel solar receiver

Creator:: Rymal, Charles
Abstract:: This thesis discusses the design of several microchannel solar receiver devices for use in CSP (concentrated solar power) using CFD (computational fluid dynamics) simulations. The goal is to demonstrate that, by taking advantage of the higher heat transfer coefficienct of microchannels, solar receivers can achieve higher efficiency than current receiver...
Resource Type:: Masters Thesis
Full Text:: fellow project team members Dr. Kevin Drost, Dr. Vinod Narayanan, Thomas L’Estrange, Eric Truong and

Simulation-based micro-scale system modeling and design optimization of a portable absorption cycle cooling system (tactical energy system) under uncertainty

Creator:: Shielee, David
Abstract:: Product design is often driven by customer needs and desires. In this case the customer is the US military, and the desire is to have a cooling unit small enough and light enough to incorporate into hazard suits for use in desert combat. The Micro technology-based Energy and Chemical Systems...
Resource Type:: Masters Thesis
Full Text:: their invaluable assistance and oversight of my research, I would like to thank both Dr. Kevin Drost

ScholarsArchive@OSU

Phase Separation in Microscale Convective Boiling

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

Development of a small scale scroll expander

Direct Numerical Simulation of a Flat Wing with a Movable Front Flap at High Angles of Attack and Low Reynolds Numbers

Investigations into the effects of a vibrating meniscus on the characteristics of drop formation

The Applicability of Linear Elastic Fracture Mechanics to Compressive Damage of the Carbon Fiber Reinforced Plastic Matrix

Passive dynamics and their influence on performance of physical interaction tasks

Design, modeling, and performance of miniature reciprocating thermocompressor

Numerical design of a high-flux microchannel solar receiver

Simulation-based micro-scale system modeling and design optimization of a portable absorption cycle cooling system (tactical energy system) under uncertainty

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