Index Catalog // ScholarsArchive@OSU

Pre-Prototyping Framework: An Early Design Prototyping Methodology for Human-Centered Products and Workplaces

Creator:: Ahmed, Salman
Abstract:: Prototyping is a crucial step in product design and development, but it is also known as the highest sunk cost. The top 20 Research and Development (R&D) department spends 142 billion dollars, yet 40 to 46 percent of this money goes into developing products that cannot even make to the...
Resource Type:: Dissertation

Irrigation Innovations to Increase Efficiency and Sustainability

Creator:: Al-agele, Hadi A.
Abstract:: The first part of the dissertation chronicles irrigation technology changes to progressively improve water application efficiency, water use efficiency, irrigation water productivity and crop production. Technological innovation in irrigation, from 6000 BC to present, has been driven by an unchanging need to provide support for growing populations. The first irrigation...
Resource Type:: Dissertation

Machine Learning Applied to Non-periodic Event Detection – A Special Case in Structural Health Monitoring

Creator:: Hu, Congcong
Abstract:: Structural Health Monitoring (SHM) is known as the process of implementation of damage detection and characterization strategy. The method is widely used in modern critical equipment to minimize the risk of failures. While a significant effort has been devoted by researchers for the detection of faults in situations including periodic...
Resource Type:: Dissertation

The Eco-hydrology of Tropical Peatlands Associated with Land Cover Changes

Creator:: Kurnianto, Sofyan
Abstract:: Tropical peatlands play an important role in global climate system by storing an immense of carbon that had been accumulated over thousands of years. Peatlands provide another important ecosystem service by regulating the hydrology. It is believed that peatlands act like a giant sponge by absorbing substantial amounts of water...
Resource Type:: Dissertation

An investigation into the pore-scale mechanisms of capillary trapping : application to geologic CO₂ sequestration

Creator:: Herring, Anna L.
Abstract:: Geologic CO₂ sequestration is a climate change mitigation strategy that prevents CO₂ emissions to the atmosphere by capturing CO₂ gasses from large point source emissions streams and then pressurizing and pumping the supercritical-state CO₂ into underground geologic storage reservoirs. Once underground, CO₂ is prevented from buoyant migration to the surface...
Resource Type:: Dissertation

Evaluation of the environmental conditioning system as a water sensitivity test for asphalt concrete mixtures

Creator:: Allen, Wendy L.
Abstract:: The Environmental Conditioning System (ECS) was designed to evaluate the water sensitivity of asphalt concrete mixtures. The ECS subjects asphalt concrete specimens to a series of conditioning cycles including water flow, elevated and/or lowered temperature, and repeated axial loading. The purpose of this research was to: (1) evaluate the ECS...
Resource Type:: Dissertation

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Creator:: Fry, Virginia A., 1959-
Resource Type:: Dissertation

Simulation of vegetation and hydrology for climate change analysis of a mountain watershed

Creator:: Waichler, Scott R.
Abstract:: Climate change is expected to have both direct and indirect effects on water resources. Hydrologic impacts of two indirect effects, vegetation density and stomata! conductance, are evaluated for the American River, a 200 km² watershed in the Cascade Range of Washington state. First, a set of distributed hydrology-biogeochemistry model structures...
Resource Type:: Dissertation

Seedling recruitment of hairy nightshade and other summer annual weeds in irrigated row crops

Creator:: Peachey, Ronald Edward
Abstract:: This study evaluated the effects of tillage system, rotational tillage sequences, and winter seed burial depth on weed seedling recruitment in irrigated cropping systems. Notill (NT) planting of vegetable crops reduced emergence of hairy nightshade by 77 to 99% and Powell amaranth emergence from 50 to 87% compared to conventional...
Resource Type:: Dissertation

Geomicrobiology of marine sediment containing methane

Creator:: Briggs, Brandon R.
Abstract:: Marine sediments contain an abundance of methane that is biologically produced and plays a significant role in the global carbon cycle. Microbes responsible for the carbon cycle in marine sediments, and the processes that they carry out, need to be characterized in order to fully understand the role of this...
Resource Type:: Dissertation

ScholarsArchive@OSU

Pre-Prototyping Framework: An Early Design Prototyping Methodology for Human-Centered Products and Workplaces

Irrigation Innovations to Increase Efficiency and Sustainability

Machine Learning Applied to Non-periodic Event Detection – A Special Case in Structural Health Monitoring

The Eco-hydrology of Tropical Peatlands Associated with Land Cover Changes

An investigation into the pore-scale mechanisms of capillary trapping : application to geologic CO₂ sequestration

Evaluation of the environmental conditioning system as a water sensitivity test for asphalt concrete mixtures

Mass transfer constraints on the feasability on in situ bioremediation of contaminated groundwater

Simulation of vegetation and hydrology for climate change analysis of a mountain watershed

Seedling recruitment of hairy nightshade and other summer annual weeds in irrigated row crops

Geomicrobiology of marine sediment containing methane

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