Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 178 for “"impact analysis"”.
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An environmental impact analysis of grinding
… was intended to investigate the environmental impact of grinding in the United States manufacturing industry. Grinding is an ideal method for producing parts with a fine surface finish and high dimensional accuracy and for shaping hard or brittle workpieces. There are a wide variety of …
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Intelligent Cruise Control System Impact Analysis
… cruise control (ICC) has the potential to impact both roadway throughput and safety by assisting drivers in maintaining safe headways. This thesis explores this potential through comparisons of ICC to conventional cruise control (CCC) and manual driving. Accordingly, descriptions are given …
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Graphical method for airport noise impact analysis
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1998.
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Environmental impact analysis : the identification of secondary impacts
The need for a preliminary environmental impact analysis approach, able to identify secondary impacts, has been revealed by a broad literary review. Therefore, the component interaction technique has been developed which is able to structure a preliminary investigation of secondary impacts. The …
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Climate Impact Analysis of Direct Air Capture Deployment
… that can contribute to mitigating climate change impacts by extracting CO₂ from the atmosphere. Given its low technical maturity, uncertainties persist regarding DAC's cost, scalability, and life-cycle emissions. In this analysis I assess liquid and solid DAC technologies powered by various energy …
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Aerial photography and environmental impact analysis : the potential contribution of comparative interpretation of multi-temporal aerial photographs to Environmental Impact Analysis
… can be used as a tool in Environmental Impact Analysis (EIA). To test this hypothesis a site, Silwerstroomstrand, approximately 40 kilometres north of Cape Town on the West coast was chosen. An analysis of the site was carried out using aerial photographs taken in 1938, 1960, 1968, 1971, …
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Visual Descriptors: A Design Tool for Visual Impact Analysis
… a practical and effective form of computer-aided analysis of the visual impact of building development in rural areas. Its contribution is fourfold. Firstly, a conceptual model has been developed for the process of seeing in the context of visual impact analysis. Secondly, a mathematical model for …
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Impact analysis of enterprise resource planning post-implementation modifications
… analysts and developers, in assessing the impact of the modification. Our methodology draws a parallel approach between ERP post-implementation change management and traditional engineering change management in product design and proposes a framework for impact analysis of ERP …
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Economic Impact Analysis of Marker-Assisted Breeding in Rice
Abiotic stresses such as salinity and phosphorous (P) deficiency are major yield-limiting factors for rice, particularly on marginal lands. Marker-aided backcrossing (MAB), enabled by advances in genomics and molecular mapping in recent years, is said to be a more precise, time-saving, and …
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Computational Modeling and Impact Analysis of Textile Composite Structutres
… weakened by cracks and subjected to static-, impact- and ballistic-type loads. As more complicated modeling about textile composite structures is introduced, some of homogenization schemes, geometrical modeling and crack propagations become more difficult problems to solve. To overcome these …
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Hydrodynamic Impact Analysis and Testing of an Unmanned Aerial Vehicle
<p>Analysis and testing have been conducted to assess the feasibility of a small UAV that can be landed in the water and recovered for continued use. Water landings may be desirable in a number of situations, for example when testing UAVs outside of the territorial waters of the US to avoid …
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Impact analysis of piston slap in a spark ignition engine
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1993.
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Impact analysis of MBTA 2009 Key Bus Route Initiative program
… Program was asked to provide an independent impact analysis of the KBRI program. In response, we worked to analyze KBRI as well as expand the scope of the study to answer the two-part question of how to best improve bus service performance with limited resources and how to best use existing …
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Low-velocity Impact Analysis of Composite Repair Patches of Different Shapes
… by the use of composite materials. Low velocity impact can cause barely visible damage to the interior structure of laminated composite. These impacts can cause delamination in composite materials. In this study, a Finite Element Analysis was conducted using Abaqus/Explicit and the results of the …
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Hypervelocity Impact Analysis of Hybrid Nanocomposite Sensors for Inflatable Space Structures
… faced by these structures in outer space is impact damage by micrometeoroid orbital debris (MMOD) traveling at velocities as high as 15 km/s (Lemmens, Krag, Rosebrock, & Carnelli, 2013). This work presents fabrication and testing of hybrid nanocomposites with carbon nanotubes (CNT) and coarse …
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Modeling, Control, and Impact Analysis of The Next Generation Transportation System
… dynamics, traffic control strategies, and impact analysis at the network level.</p> <p>The first part of the dissertation is devoted to the traffic flow modeling of connected vehicles. This task is the foundation step for transportation planning, optimized network design, efficient traffic …
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System level assessment of uncertainty in aviation environmental policy impact analysis
… on a model that estimates the air quality impacts of aviation. The model comprises two modules: the Aviation Environmental Design Tool (AEDT), which simulates aircraft operations to estimate performance and emissions inventories, and the Aviation environmental Portfolio Management Tool …
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