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 891 for “"debris"”.
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Debris: stories
Debris: stories, focuses on families and people who are outsiders in a small town in the south. A flood happens and washes the town away along with many of the character's dreams and homes and love.
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Debris: stories
Debris: stories, focuses on families and people who are outsiders in a small town in the south. A flood happens and washes the town away along with many of the character's dreams and homes and love.
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Building debris
This thesis relates architectural practices to intelligent use of resources and the reuse of derelict spaces. The initial investigation of rammed earth as a building material is followed by site-specific operations at the courtyard of MIT building N51 and on sites located along a three mile stretch …
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A Viable Orbital Debris Mitigation Mission using Active Debris Removal
… environment contains a growing number of orbital debris objects. This growing orbital debris population increases collision probabilities between both orbital debris and functioning satellites. A phenomenon known as Kessler Syndrome can be induced if these collisions occur. Kessler Syndrome states …
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FISTFUL OF DEBRIS
Fistful of Debris is a collection of fiction aimed to explore the varied dimensions of familial loss. Each piece focuses on the personal growth and intimate details of a female protagonist's life, as she attempts to rebuild and heal. In a society that sensationalizes tragedy, this collection aims …
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Debris flows on Earth and Mars
This thesis explores the morphology of debris flows and their role in shaping planetary surfaces. The primary objective is to assess the scale of the present martian near-surface water budget by studying recent gullies visually similar to water-carved gullies on Earth. The potential involvement of …
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Evolution of artificial space debris clouds
… whether by explosion or collision, a cloud of debris is formed. The overall objective of the PhD is to examine the interaction between the debris clouds produced by on-orbit fragmentation events and specific space systems. A breakup event will give rise to concentrations of debris which, for …
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Rheological investigations of debris flow materials
… and used to test the behaviour of coarse grained debris flow materials. A 1/5 scale model was also constructed and used to test fluid-only and grain-fluid mixtures. The 30° inverted cone-and-plate viscometric system produced results comparable to those obtained from more standard viscometric …
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The hydrology of debris-covered glaciers
… outlet glaciers, but there are few studies on debris-covered glaciers. It is known debris affects ablation rates, and that debris-covered glaciers evolve differently to their debris-free counterparts, but how the debris influences the hydrology is poorly understood. This thesis aims to …
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Urban Debris and the architectural stage
… means of articulating a wall. Hierarchy, urban debris and scale relationships control this articulation. The design intentions are rooted in an understanding of architecture as the stage for the life of the city.
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Laboratory Experiments Investigating Entrainment By Debris Flows
As debris flows course down a steep hillside they entrain bed materials such as loose sediments, increasing the size and hazard of the debris flow. The mechanics underlying the particle entrainment are not well-understood. Existing models for the entrainment process include those that explicitly …
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Feasibility of Microsatellite Active Debris Removal Systems
<p>Space debris has become an increasingly hazardous obstacle to continued spaceflight operations. In an effort to mitigate this problem an investigation of the feasibility of a microsatellite active debris removal system was conducted. Through proposing a novel concept of operation, utilizing a …
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Secular Dynamics of Self-gravitating Debris Discs
Debris discs are the leftovers from the epoch of planetary formation, akin to the Solar System's asteroid and Kuiper belts. They preserve a record of the physical processes at work throughout the system's age, not least planet--disc interactions. Deciphering this record has become a central focus …
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Orbiting space debris : dangers, measurement and mitigation
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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Orbital debris : drafting, negotiating, implementing a convention
… under international law. As a result, space debris tends to accumulate and remains in orbit for a long period of time. A space debris convention is thus warranted. The proposed international convention would have the following objectives: 1) Implement an international and independent tracking …
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Orbital Debris Removal Technologies: A Hybrid Electrodynamic Tether and Ion Beam Shepherd Satellite Design for Fuel Efficient Contactless Debris Removal
<p>Space debris poses a serious threat to humanities efforts at space exploration as well as the expanding uses for earth-orbiting satellites. This thesis investigates the proposed technologies for the debris's removal both large and small. Focus is applied to the large debris removal technologies …
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RIDDS: Removal of Irregular Debris Using Double Nets
<p>The quantity of debris in Earth’s orbit is increasing at an alarming rate, and without a sustainable solution, this will detriment the space environment, impacting the future of space travel and space traffic management. While numerous debris removal concepts and designs have been proposed, very …
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Laboratory Debris Flow Experiments: A Study of Erosion
… on grain size distribution in experimental debris flows and erodible beds. We systematically and independently varied the composition of each the supply and erodible bed material and the flume inclination angle, ϕ. Then, we demonstrate that there is a unique neutral angle, ϕN (the angle at …
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