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Sustaining high performance demand has led to the development of manycore processors. These manycore processors have thermal properties which are different from conventional processors. In order to understand the thermal characteristics of such manycore processors, we have developed a modeling environment with a rich set of features which can be used to used to model di....

By Nikhil Sathe-Electrical and Computer Engineering-GIT-masters-2010-07-07
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Study of turbulent flow over a rough bed is highly important due to its numerous applications in the areas of sediment transport and pollutant discharge in streams, rivers and channels. Over the past few decades, many experimental studies have been conducted in this respect to understand the underlying phenomenon. However, there is a scarcity in the number of computatio....

By Sandeep Kumar Bomminayuni-Civil & Environmental Engineering-GIT-masters-2010-07-07
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The lower Da-An River in western Taiwan was uplifted ~10 during the 1999 Mw 7.6 Chi-Chi earthquake, resulting in a 20- to 30-m-deep bedrock gorge. However, the amount of coseismic displacement along the channel bed does not fully explain the resulting bedrock channel incision. Using a series of aerial photographs, digital terrain models (DEM), and real-time kinematic gl....

By Ming-Chu Chen-Earth & Atmospheric Sciences-GIT-masters-2010-07-07
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Though relatively young, the field of organic electronics is a rapidly growing market and considerable research is being done in creating a whole range of devices from organic molecules from organic field effect transistors to LEDs to photovoltaic devices. The field of organic photovoltaic in particular has become important in recent years with the push for newer, rene....

By Sinan Mahmut Sutcu-Electrical and Computer Engineering-GIT-masters-2010-07-07
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This body of work explores an emerging aspect of human-robot interaction, transparency. Socially guided machine learning has proven that highly immersive robotic behaviors have yielded better results than lesser interactive behaviors for performance and shorter training time. While other work explores this transparency in learning by demonstration using non-verbal cues ....

By Nicholas Brian dePalma-Computing-GIT-masters-2010-07-07
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The dynamics of rigid body motion are dependent on the inertial properties of the body - that is, the mass and moment of inertia. For complex systems, it may be necessary to derive these results empirically. Such is the case for manual wheelchairs, which can be modeled as a rigid body frame connected to four wheels. While 3D modeling software is capable of estimating in....

By Matthew R. Eicholtz-Mechanical Engineering-GIT-masters-2010-07-07
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A new generation of medical grade Cf-252 sources was developed in 2002 at the Oak Ridge National Laboratory (ORNL). The combination of small size and large activity of these Cf-252 sources makes them suitable to be used with the conventional high-dose-rate (HDR) remote afterloading systems for interstitial brachytherapy. A recent in-water calibration experiment showed ....

By Eugene C. Fortune IV-Nuclear and Radiological Engineering-GIT-masters-2010-07-07
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The percentage of renewable energy within the global electric power generation portfolio is expected to increase rapidly over the next few decades due to increasing concerns about climate change, fossil fuel costs, and energy security. Solar thermal energy, also known as concentrating solar power (CSP), is emerging as an important solution to new demands for clean, rene....

By Dustin F. Howard-Electrical and Computer Engineering-GIT-masters-2010-07-07
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There are two general ways to introduce functionalities into a polymeric structure: functionalization of the monomeric units before polymerization and postfunctionalization of the preformed polymer. Building libraries of polymers with different functionalities can be completed with significantly less effort by the second method, as each postfunctionalization of a single....

By Christopher Kub-Chemistry and Biochemistry-GIT-masters-2010-07-07
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Experiments were conducted to determine the photocatalytic degradation of three types of gas-phase compounds, NOX, VOCs, and chloramines, by TiO2 impregnated tiles. The oxides of nitrogen NO and NO2 (NOx) have a variety of negative impacts on human and environmental health ranging from serving as key precursors for the respiratory irritant ozone, to forming nitric acid,....

By Eva Miriam Land-Civil & Environmental Engineering-GIT-masters-2010-07-07
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The CopyCat project is an interdisciplinary effort to create a set of computer-aided language learning tools for deaf children. The CopyCat games allow children to interact with characters using American Sign Language (ASL). Through Wizard of Oz pilot studies we have developed a set of games, shown their efficacy in improving young deaf children's language and memory sk....

By Helene Margaret Brashear-Computing-GIT-doctoral-2010-07-07
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The steps by which neutral, random and/or negative biological interactions evolve into mutualistic ones remain poorly understood. Here, we study Elacatinus gobies and the fishes from which they clean parasites, termed clients. Colorful stripes are common to mutualist cleaners and non-cleaning sister species. Blue stripes are unique to obligate cleaners. We quantified th....

By Liliana B. Lettieri-Biology-GIT-doctoral-2010-07-07
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