Index Catalog // ScholarsArchive@OSU

The effects of various pre-weighing procedures on the reported weights of air pollutants collected by filtration

Creator:: Kowalczyk, John F.
Abstract:: A study was conducted to determine what effects the type of pollutants, storage conditions, storage time, and method of sample conditioning have on the reported weight of an air pollutant collected by filtration. Samples were collected from a refuse dump, an arc furnace smelting nickel ore, and a rotary kiln...
Resource Type:: Masters Thesis
Full Text:: Reported Weights of Air Pollutants Collected By Filtration AN ABSTRACT OF THE THESIS OF John Francis

Characterization and mitigation of train vibrations in a laboratory facility

Creator:: Atanasov, Atanas A.
Abstract:: Excessive environmental vibrations can have deleterious effects in a variety of animals. Despite the potentially detrimental effects vibrations may have on animal health and experimental results, they remain poorly understood in the animal laboratory setting. This study investigates the consequences of excessive train vibrations on the breeding success of laboratory...
Resource Type:: Masters Thesis
Full Text:: : Characterization and Mitigation of Train Vibrations in a Laboratory Facility Abstract approved: John P

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:: to aircraft damage tolerance AN ABSTRACT OF THE DISSERTATION OF Matthew F. Nahan for the degree

Transient nonlinear deformations of viscoelastic membranes

Creator:: Jenkins, Christopher H. M.
Resource Type:: Dissertation
Full Text:: advisor Dr. John W. Leonard, without whose guidance and patience this thesis would not have been

Experimental Classification of Intralaminar Matrix Compression Damage Propagation in Carbon Fiber Reinforced Polymers

Creator:: Daniels, Mitchell Alan
Abstract:: Composites often are able to carry more load after damage due to the structure of laminates. In addition, damage can be difficult to detect in composites compared to homogeneous materials. Understanding the behavior of composite material after damage is vital for composite structural design. Currently, experimental methods exist for classifying...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ John P. Parmigiani Composites often are able to carry more load after damage due to the

Characterizing Linkages Between the Climate, Cryosphere, and Impacts on Run-of-River Hydropower in Data-Sparse Mountain Environments

Creator:: Mosier, Thomas M.
Abstract:: In many regions of the world, a significant portion of the surface water originates in mountain headwaters where the timing and magnitude of streamflow is largely dictated by the seasonal storage of precipitation as snowpack and long-term storage as glaciers. Accumulation, persistence, and melt of snow and ice are functions...
Resource Type:: Dissertation
Full Text:: : Kendra V. Sharp David F. Hill In many regions of the world, a significant portion of the surface water

Proportional integral derivative control of an oil-heated fractal-like branching microchannel desorber

Creator:: Davis, Keith R.
Abstract:: A PID controller was designed to control the performance of an oil-heated fractal-like branching microchannel desorber for use in an ammonia-absorption refrigeration system. Both the amount and concentration of ammonia refrigerant generated at the desorber can be controlled by choosing the rectified circulation ratio as the controlled variable in a...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ____________________________________________________________________ John Schmitt

Model predictive control for sagittal plane locomotion

Creator:: Maunder, Cary R.
Abstract:: A distinct characteristic of legged locomotion is its periodic nature. This periodic motion, in the form of a periodic orbit, has been the target of many walking and running control strategies. The spring loaded inverted pendulum (SLIP) has become a popular model of sagittal plane locomotion, exhibiting behavior characteristic of...
Resource Type:: Masters Thesis
Full Text:: Predictive Control For Sagittal Plane Locomotion. Abstract approved: John M. Schmitt

Reduced order modeling of legged locomotion in the horizontal plane

Creator:: Wickramasuriya, Gamika Arun
Abstract:: Sprawled-posture insects exhibit a remarkable ability to rapidly run in a stable manner over complex terrain, a feat that has yet to be equaled by man-made legged robots. Recent experimental results suggest that these insects may employ a hierarchical control structure, in which locomotion performance emerges from a combination of...
Resource Type:: Dissertation
Full Text:: : Reduced Order Modeling of Legged Locomotion in the Horizontal Plane Abstract approved: John Schmitt

A performance comparison of chainsaw bar lubricants

Creator:: Suryan, Levi J.
Abstract:: Chainsaws, an indispensable tool for modern forestry operations, rely on bar lubricant to prevent rapid wear of the chain and bar. Choice of bar lubricant must balance performance, cost, and biological impact. Many bar lubricants are available, but little published work exists that conclusively ranks the performance of these choices....
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ John P. Parmigiani Chainsaws, an indispensable tool for modern forestry operations, rely on

ScholarsArchive@OSU

The effects of various pre-weighing procedures on the reported weights of air pollutants collected by filtration

Characterization and mitigation of train vibrations in a laboratory facility

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

Transient nonlinear deformations of viscoelastic membranes

Experimental Classification of Intralaminar Matrix Compression Damage Propagation in Carbon Fiber Reinforced Polymers

Characterizing Linkages Between the Climate, Cryosphere, and Impacts on Run-of-River Hydropower in Data-Sparse Mountain Environments

Proportional integral derivative control of an oil-heated fractal-like branching microchannel desorber

Model predictive control for sagittal plane locomotion

Reduced order modeling of legged locomotion in the horizontal plane

A performance comparison of chainsaw bar lubricants

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