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An analytical model for fatigue crack propagation

Creator:: Anderson, James L.
Abstract:: Beginning with the basic equations from the theory of elasticity and employing a model of crack propagation based on the concept of a constant plastic energy absorption per unti of crack extension, the commonly accepted power law of fatigue crack propagation was derived. This derivation uses an extension of the...
Resource Type:: Masters Thesis
Full Text:: obtained cl Au 39, 312 dN (C2-0)W 2 where: acs = stress range w = plastic zone size C 1 . f(strain

An experimental investigation of combustion products through a flat, laminar, pre-mixed hydrocarbon-air flame

Creator:: Brenchley, David Lee
Abstract:: Flat, laminar, premixed hydrocarbon-air flames were stabilized on a porous-plate burner. In addition to temperature profiles, concentration profiles were measured for methane, ethane, ethylene, propane, acetylene, propylene, carbon monoxide, carbon dioxide and oxides of nitrogen. Dead space thickness, luminous flame zone thickness and hydrocarbon disappearance point responses were also monitored....
Resource Type:: Dissertation
Full Text:: , Phillips, L. D. Calvin, and W. A. Davies. NOMENCLATURE A experimental factor A: hydrocarbon fuel type

Advanced Computational Modeling and Design of Wave Energy and Floating Offshore Wind Energy Technologies

Creator:: Mankle, Hannah L.
Abstract:: Given the immense energy potential of oshore wind and ocean waves, offshore renewable energy can significantly contribute to the renewable energy landscape. Fixed floating wind is already making strides internationally with increased electricity capacity, while floating offshore wind turbines and marine hydrokinetic (MHK) technology have significant potential that can...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Hannah L. Mankle for the degree

Performance of a spark-ignition engine with admission of some internal knock-suppressing coolants

Creator:: Seshadri, Erode Venkataramanan
Resource Type:: Masters Thesis
Full Text:: lUU ..0 UU .,UUU',. 1 i w. . e!:!i!! !!!!!! ;L;I;;I;H :;;;: u#u:::u;: .uilr il. CU lC

A model of ciliary streaming in the respiratory system

Creator:: Chambers, Alan B.
Abstract:: The respiratory tract is lined with a mucous blanket which is motivated by a ciliated epithelium. This blanket includes a lower serous layer of fluid through which the cilia beat and an upper viscid layer into which particulates from the inhaled air are deposited. The movement of the mucous blanket...
Resource Type:: Dissertation
Full Text:: ' _ tl q 1 Jo q 28 such that the boundary conditions become U(1) = 0 aU(X ) ax Then, W

Temperature Evolution of Nonreacting Spark Kernels at Sub-Atmospheric Pressures

Creator:: Caplan, Daniel L.
Abstract:: In the event of a mid-flight flameout of a gas turbine engine, reignition is paramount to occupant safety. Ignition at high altitude can be challenging, due in part to the potentially lower ambient pressures. An understanding of the effects of sub-atmospheric pressures on the temperature evolution of spark kernels is...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Daniel L. Caplan for the

Analysis of operating parameters on surface ignition in spark ignition engines

Creator:: Proctor, Robert Swope
Resource Type:: Masters Thesis
Full Text:: his appreciation to W. H. Paul, Professor of Automotive &igineerin, and to S. H. Graf, Head of the

Heat transfer coefficient of boiling ammonia in an incline tube

Creator:: Holstege, Conrad Johan Marie
Resource Type:: Masters Thesis
Full Text:: L o w 40 30 24. -0.2 -0.1 0 0.1 0.2 0.3 0.4 0,5 POTENTIOMETER READING, MILLIVOLTS

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:: Dynamics and Their Influence on Performance of Physical Interaction Tasks Abstract approved: Jonathan W

Data-Driven Environmentally Sustainable Product Design: A Shift Toward Increased use of Sustainable Design Activities in the Early Design Phase

Creator:: Ferrero, Vincenzo J.
Abstract:: Modern product design drives the boundaries of innovation by encompassing complex Design-for-X objectives, and the inclusion of multidimensional stakeholders. This growing complexity in product design has left design teams unequipped, as classical design theory is bounded by designer experience, expertise, and cognition. One novel approach to tackling product complexity is...
Resource Type:: Dissertation
Full Text:: Design Activities in the Early Design Phase Abstract approved: Bryony L. DuPont Modern product design

ScholarsArchive@OSU

An analytical model for fatigue crack propagation

An experimental investigation of combustion products through a flat, laminar, pre-mixed hydrocarbon-air flame

Advanced Computational Modeling and Design of Wave Energy and Floating Offshore Wind Energy Technologies

Performance of a spark-ignition engine with admission of some internal knock-suppressing coolants

A model of ciliary streaming in the respiratory system

Temperature Evolution of Nonreacting Spark Kernels at Sub-Atmospheric Pressures

Analysis of operating parameters on surface ignition in spark ignition engines

Heat transfer coefficient of boiling ammonia in an incline tube

Passive dynamics and their influence on performance of physical interaction tasks

Data-Driven Environmentally Sustainable Product Design: A Shift Toward Increased use of Sustainable Design Activities in the Early Design Phase

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