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 76 for “"Submarines"”.
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Comparative naval architecture of modern foreign submarines
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1988.
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Comparative naval architecture analysis of diesel submarines
… but few published comparative analyses of submarines exist. Of the several design concept papers, reports and studies that have been written on submarines, no exclusively diesel submarine comparative naval architecture analyses have been published. One possible reason for few submarine …
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Surfacing Rescue Container concept design for trident submarines
… Ohio class and U.K. Royal Navy Vanguard Class submarines with significant alteration. Technical analyses include a minimum weight design approach for internally stiffened right circular cylinders exposed to external hydrostatic pressure, an analytical and numerical structural analysis of …
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Evaluation and comparison of electric propulsion motors for submarines
Thesis (Nav.E.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Methods to Reduce Backlogged Maintenance of Los Angeles Class Submarines
… a significant backlog in submarine maintenance. Submarines are governed by stricter standards than other naval assets, preventing them from deploying until required preventive maintenance items and inspections have been completed. This thesis investigates historical performance data to build …
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A Pareto frontier for full stern submarines via genetic algorithm
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1998.
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Validation of Passive Air Sampling Monitors Onboard United States Navy Submarines
… ongoing during deployments of U.S. Navy nuclear submarines. As part of the overall effort, a paired air sampling comparison field validation was conducted to compare the air sampling effectiveness of passive diffusive monitors compared to more traditional active air sampling methods when sampling …
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A Design Tool For The Evaluation Of Atmosphere Independent Propulsion In Submarines
… concept design of non-nuclear air independent submarines.
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Management of demand based inventory aboard submarine tenders servicing attack (SSN) submarines
This thesis examines the computation of inventory levels based on demand history aboard Submarine Tenders that use the Shipboard Automated Data Processing System (SUADPS) for inventory control. The focus of the thesis was the workload and supply effectiveness issues associated with the processing …
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A design tool for the evaluation of atmosophere independent propulsion in submarines
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering; and, (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Numerical prediction of the maneuvering characteristics of submarines operating near the free surface
… to predict the maneuvering characteristics of submarines operating near the free-surface has been developed. The RANS code calculates the flow field immediately surrounding and in the wake of the body where viscous effects are important. The panel code calculates the fluid flow in the far field …
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Development of Longitudinal Stability Criteria for Surfaced Submarines Through Use of Near Real Time Modeling
… better understand damaged stability of surfaced submarines, especially longitudinal stability. This thesis develops a methodology and proposes a design standard to ensure a surfaced submarine is able to maintain adequate longitudinal stability. It bounds the conditions under which a submarine …
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Maintenance practices for emergency diesel generator engines onboard United States Navy Los Angeles class nuclear submarines
… engines onboard Los Angeles class nuclear submarines. This class of submarines, which features the Fairbanks Morse 8-cylinder air-started opposed-piston diesel engine, is expected to continue to operate until at least 2020.
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Innocent Passage of Warcraft in Territorial Seas from a Historic Perspective
… It deals not, only with warships but also with submarines and aircrafts.
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32 in '44: A management and environmental study of submarine construction at Portsmouth Navy Yard during World War II
… averaging the completion of less than two submarines a year in the 1930s, the Portsmouth Navy Yard completed an astonishing thirty-two submarines in 1944. The yard's outstanding performance during World War II was the product of a highly motivated work force and a management team that …
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The Future of the U.S. Nuclear Attack Submarine and the Preservation of the Submarine Industrial Base
… and deployment of advanced nuclear-powered submarines by Russia remains the standard by which the U.S. submarine force should be measured. The proliferation of advanced diesel-powered submarines thorughout the world, exemplified by the growth of China's submarine force, poses an emerging …
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Hydrodynamic Interactions of an Unmanned Underwater Vehicle Operating in Close Proximity to a Moving Submarine
… and wakes. The launch and recovery of UUVs from submarines is very challenging because these hydrodynamic interactions make UUVs hard to control near submarines and my even cause collisions between the two vehicles. The mapping of these forces and moments is vital to simulate the motion of the …
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New approaches to the integration of organizational maintenance and failure data during submarine maintenance planning
Planning for maintenance periods for U.S. Navy submarines is difficult due to schedule and cost constraints, operating cycles, and logistical concerns. Organizational maintenance and failure data is vital to understanding trends of failures among the various classes of submarines. This thesis …
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An Analysis of the Manpower Impact of Unmanned Aerial Vehicles on Subsurface Platforms
… are necessary. Specifically, on all classes of submarines, Switchblade can be launched and flown with no additional watchstations manned, compared to a standard mission watchbill. Also, with ScanEagle, SSGN class submarines require no additional watchstanders once the UAV is launched, and …
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Software architecture for anti-submarine warfare unmanned surface vehicles
… (USVs). Currently, the process of finding submarines tends to be tedious and manpower intensive due to the high volume of acoustic data with limited means to filter for valuable information. Therefore, innovative software frameworks are required to transition from a one-to-many to a …
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