Index Catalog // ScholarsArchive@OSU

Optimal design of traction drive continuously variable transmissions

Creator:: Lim, Kyoung Ho
Abstract:: The optimal design technique for minimum power loss in traction drive continuously variable transmissions is developed. The mathematical model is developed to evaluate the traction force and torque in traction drive contact. Kinematic analysis of general traction drive contact is conducted to find the best configuration for minimum power loss....
Resource Type:: Dissertation

Numerical Investigation of Unsteady Inertial and Turbulent Flows Through Porous Media: Pore-scale DNS, Flow Analyses and Upscaling

Creator:: He, Xiaoliang
Abstract:: Porous media are the materials containing void space or pores, where fluids and gases can pass through. Unsteady flows in porous media are encountered in many engineering applications and natural problems, such as CO₂ sequestration, high temperature nuclear reactor cooling, high efficiency combustion, chemical reactors, noise reduction on airplane trailing...
Resource Type:: Dissertation
Full Text:: - 2 lems is turbulent flow through porous media. Examples include but not lim- ited to CO2

An experimental/analytical investigation of deep submerged multiple buoyant jets

Creator:: Kannberg, Landis Dee
Abstract:: The results of an experimental and analytical study of deep submerged multiple-port thermal discharges are presented. The experimental results include the measured downstream thermal dilution, width, and centerline trajectory of the buoyant thermal plume from multiport jets. Independent parameters for which measurements were obtained include port spacing, discharge Froude Number,...
Resource Type:: Dissertation

Elastodynamic analysis of a propagating finite crack in a micropolar elastic solid

Creator:: Han, Seog-young
Abstract:: A dynamic propagation of a finite crack of opening mode in a micropolar elastic solid was investigated. By using an integral transform method, a pair of twodimensional singular integral equations governing stress and couple stress was formulated in terms of the displacement transverse to the crack, macro- and microrotations, and...
Resource Type:: Dissertation
Full Text:: thanks to my wife, Kyoung-Sook, and my son, Tak-Jin, for their love and patient endurance. Table of

CFD simulation of single-phase and flow boiling in confined jet impingement with in-situ vapor extraction using two kinds of multiphase models

Creator:: He, Xiaoliang
Abstract:: With continued development of the electronic industry, the demand for highly efficient heat removal solutions requires innovative cooling technologies. A computational fluid dynamic (CFD) study, including heat transfer, is performed for an axisymmetric, confined jet impingement experiencing boiling and coupled with vapor extraction. Boiling occurs at the target surface while...
Resource Type:: Masters Thesis

Computational Fluid Dynamics (CFD) Simulation of Microfluidic Focusing in a Low-Cost Flow Cytometer

Creator:: Parrott, Connor
Abstract:: Inertial microfluidics refers to the manipulation of the location and velocity of particles suspended in microscale fluid flow without the introduction of outside forces. It has promising applications in flow cytometry and other biomedical technologies because of the potential for lowering cost and complexity relative to current particle focusing methods....
Resource Type:: Honors College Thesis
Full Text:: behavior in non-neutrally buoyant particles [13]. Further theoretical work was performed by Ho and Leal

A framework to model reliability and failures in complex systems during the early engineering design process

Creator:: O'Halloran, Bryan M.
Abstract:: An open area of research in complex systems is to move reliability and failure assessments earlier in the engineering design process. When compared to later design, early decisions are cost effective and have a large impact on the system. Standard methods are limited by the availability of data and often...
Resource Type:: Dissertation

Experimental Investigations of the Unsteady Aerodynamics of Oscillating Airfoils Operating in the Energy Harvesting Regime

Creator:: Siala, Firas F.
Abstract:: The rising global trend to reduce dependence on fossil fuels has provided significant motivation toward the development of alternative energy conversion methods and new technologies to improve their efficiency. Recently, oscillating energy harvesters have shown promise as highly efficient and scalable turbines, which can be implemented in areas where traditional...
Resource Type:: Dissertation

Use of an optical probe to study the hydrodynamics of a gas-solid fluidized bed

Creator:: Arib, Fouad
Resource Type:: Masters Thesis
Full Text:: ) = xA(t-tAB) by substituting, 1 r-pi R,w (td) = lim xA (t) XA (t +td-tm) dt T-0 2T j-T = Rm (td-tAB

Geometry of Locomotion

Creator:: Ramasamy, Suresh
Abstract:: Many animals and robots move through the world by coupling cyclical changes in shape called gaits to an interaction with the environment. Because mobility is an important aspect of such robots, a key metric when evaluating design and performance of mobile robots is the efficiency of their optimal gaits. The...
Resource Type:: Dissertation

ScholarsArchive@OSU

Optimal design of traction drive continuously variable transmissions

Numerical Investigation of Unsteady Inertial and Turbulent Flows Through Porous Media: Pore-scale DNS, Flow Analyses and Upscaling

An experimental/analytical investigation of deep submerged multiple buoyant jets

Elastodynamic analysis of a propagating finite crack in a micropolar elastic solid

CFD simulation of single-phase and flow boiling in confined jet impingement with in-situ vapor extraction using two kinds of multiphase models

Computational Fluid Dynamics (CFD) Simulation of Microfluidic Focusing in a Low-Cost Flow Cytometer

A framework to model reliability and failures in complex systems during the early engineering design process

Experimental Investigations of the Unsteady Aerodynamics of Oscillating Airfoils Operating in the Energy Harvesting Regime

Use of an optical probe to study the hydrodynamics of a gas-solid fluidized bed

Geometry of Locomotion

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