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 25 for “"Shipyards"”.
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Resource constrained scheduling problem at U.S. Naval Shipyards
Submarine repair schedules are some of the most complex schedules seen in project management. Repairs of a nuclear U.S. submarine are resource constrained since resources are divided among approximately thirty shops (e.g. electricians, welders, and pipefitters). The system complexity, the tight …
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The challenge of standardization for shipyards in developing countries
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1995.
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Destructive Behaviors in Naval Shipyards: A STAMP and System Dynamics Analysis
United States Navy Refueling and Complex Overhauls (RCOHs), and other extended maintenance availabilities, present uniquely demanding environments where Sailors face elevated risks for destructive behaviors, including suicide and substance abuse. Prolonged exposure to harsh industrial conditions, …
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Women In Wartime Shipyards: Operating A Drill Press Was Like Using An Egg Beater
<p>This research examines the duality of the roles of American women during World War II. The research draws upon oral histories, newspaper accounts and advertisements, music and films of the time, letters and family scrapbooks, and primary and secondary sources. Most prior research focuses on …
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Environmental Performance of Copper Slag and Barshot as Abrasives
… for dry abrasive blasting and would help shipyards to optimize the productivity and minimize the emissions by choosing the best combinations reported in this study to their conditions appropriately. This project is a joint effort between the Gulf Coast Region Maritime technology Center …
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Environmental Performance of Steel Grit and Specialty Sand as Abrasives
… is a surface preparation process used in shipyards for cleaning the surfaces of the metal plates to be used in various components of the ship. Commonly used abrasives include sand, steel grit, mineral abrasives, metallic abrasives, and synthetic abrasives. The basic objective of this study …
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Global ship-repair industry : evaluation of current situation and future trends
… the strategic decisions made by the different shipyards so as to optimize their efficiencies. Different shipyards and geographical regions offer different varieties of services and specialization. Thereby, my aim is to define, analyze, and understand the mechanisms of the ship-repair market. To …
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Feasibility of the Use of Two Spent blast Materials as Aggregate in Hot Mix Asphalt in Louisiana Post-Katrina
… abrasive materials that are generated at two shipyards in New Orleans, Bollinger Shipyards Inc (Bollinger), and Northrop-Grumman Avondale (Avondale), as opposed to storage onsite at shipyard facilities with subsequent disposal in non-hazardous landfills. The reported production rate of spent …
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Multidimensional Approach to Implementation of Continuous Process Improvement Utilizing Small Run Analysis in a Shipyard Environment
<p>Nationally, both public and private shipyards are experiencing a high rework rate (over 40%) in the fabrication of plug connectors used for electronic systems onboard Navy vessels. The shipyard's survival depends on acquiring the elements necessary to maintain a major industry in a position of …
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Right sizing for government review
… work primarily in-house, to contracting private shipyards to do the design. This change has shifted the government's role in design to a predominantly review function. Therefore, the government needs to decide what level of review should be performed, and how much this will cost in the future. …
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Decision support tool for the tanker second-hand market using data mining techniques
… of such a tool are ship brokers, ship owners, shipyards and general brokers and investors. It is crucial to mention the rising need for decisional tools especially when asset play in shipping seems to increase its proportion among other investment practices.
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The Ulster Volunteer Force 1912-4.
… Unionists working in the Haarland and Wolff shipyards as terrorists. In chapter two the formation and structure of the U.V.F. in Belfast, Antrim, and Fermanagh is examined. The chapter discusses the military structure of the U.V.F. and why the organisation was better suited to urban Ulster. …
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The rôle of government in the decline of the British shipbuilding industry, 1945 - 1980
… companies in this thesis demonstrates, British shipyards were ill equipped and poorly prepared to take advantage of this situation and when finally the shipyards were positioned to take advantage of the situation, the 1973 Yom Kippur War and subsequent OPEC oil embargo took away the demand for …
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Analysis of Data from the U.S. Shipbuilding Industry and Application to Improve Performance Metrics
… in the fleet due to growing threats, however shipyards are facing numerous issues leading to a delay in the delivery of naval warships along with cost overruns. At the same time, there is significant data available from the construction process, creating an opportunity for data analysis with …
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Environmental Performance of Coal Slag and Garnet as Abrasives
… coal slag and garnet which are commonly used by shipyards and many other industries in surface preparation of metallic surfaces. Environmental performance evaluated in this study included, (1) productivity (ft2/hr), (2) consumption and or used-abrasive generation rate (ton/2000 ft2; lb/ ft2), (3) …
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Applying lean manufacturing initiatives to naval ship repair centers : implementation and lessons learned
… Ship Research Program (NSRP) initiatives provide shipyards a strategy of how to select areas of an operation for Lean improvements. The Norfolk Naval Shipyard method is a combination of the Theory of Constraints, Six Sigma and Lean Principles called Lean Sigma. The Lean Sigma methodology for …
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NAVAL ACQUISITION IN THE UNITED STATES AND RUSSIA
… risk analysis in addition to investing in public shipyards as a top priority to national security. Russia would benefit from increased transparency, investing in public-private partnerships and data analysis, and fostering a culture where stakeholders embrace innovation and do not fear failure. …
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Il "berretto dell’operaio" e il "cappello dell'ingegnere" Organizzazione del lavoro, direzioni aziendali e operai di mestiere nei cantieri navali di Brema
… union trades and society in River Weser shipyards, which raised and developed around the city of Bremen. The selected time span is the decade going from the outbreak of World War I and the ultimate post-inflationary stabilization in 1924. Five thematic issues are taken into consideration …
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Structural and economic analysis of capesize bulk carriers
… of ship owners, classification societies and shipyards. A location coding system was specifically designed to analyze the data and present the frequency, size and estimated crack growth rates with respect to location and ship age. The results were compared with existing knowledge based on …
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Analysis of consistently poor work estimates in U.S. submarine availabilities
… availabilities across all four public naval shipyards, spanning 315 ship systems, from December 2006 to December 2017. The results of this thesis are best understood in two parts: the first is an observation of system population characteristics, and the second is a multiple linear regression …
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