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Now showing items 51-60 of 61
Hydrophobic coatings for film boiling based drag reduction on a torpedo model
(Massachusetts Institute of Technology, 2015)
Previous research has shown that porous, hydrophobic surfaces exhibit a dramatic reduction in critical heat flux (CHF), the amount of heat over a surface area required to initiate film boiling. Film boiling is characterized ...
Automation as a manpower reduction strategy in navy ships
(Massachusetts Institute of Technology, 2016)
Since the early 2000's, the US Navy has endeavored to decrease the Total Ownership Cost (TOC) of their ships through a decrease in Operating and Support costs. This led to a large-scale effort by ship program managers to ...
An automatic, multi-fidelity framework for optimizing the performance of super-cavitating hydrofoils using Gaussian process regression and Bayesian optimization
(Massachusetts Institute of Technology, 2018)
Computer automated design of complex physical systems is often limited by the computational resources required for the high precision solvers. Determining an optimum design necessitates high accuracy simulations due to the ...
Automated decision making for operations within a Traffic Separation Scheme using MOOS-IvP
(Massachusetts Institute of Technology, 2020)
This thesis proposes a set of practical applications that utilizes the sharing of intent information and intended courses between marine vehicles operating in the vicinity of a Traffic Separation Scheme in order to reduce ...
Electronics first : development of a basic electronics course of study for naval engineers
(Massachusetts Institute of Technology, 2020)
MIT's 2N program produces naval engineers for the U.S. Navy. It provides its students with a solid foundation of critical engineering, design, construction, and naval architecture concepts. However, within that curriculum, ...
Load bearing interface design for a pan-tilt mechanism for severe marine environments
(Massachusetts Institute of Technology, 2017)
The Naval Research Laboratory (NRL) requested the design of a two-axis gimbal device for the shipboard support of a sensor payload. Previous design efforts presented a low-mass two-axis (pan and tilt) machine. Vibration ...
A launch and recovery system for integrating unmanned ocean vehicles onto surface platforms
(Massachusetts Institute of Technology, 2019)
Unmanned vehicles (UxVs) are becoming more prevalent across all domains. As UxV technology improves and their operations become more essential to mission success, the challenge of integrating these vehicles onto current ...
Modeling brake specific fuel consumption to support exploration of doubly fed electric machines in naval engineering applications
(Massachusetts Institute of Technology, 2016)
The dynamic operational nature of naval power and propulsion requires Ship Design and Program Managers to design and select prime movers using a much more complex speed profile rather than typical of commercial vessels. ...
Analysis of consistently poor work estimates in U.S. submarine availabilities
(Massachusetts Institute of Technology, 2018)
The maintenance of a warship requires an involved combination of scheduling, funding, and execution. For one finite maintenance period, known as an "availability," a small setback in one of these areas can have a significant ...
Design, construction, and analysis of a modular ship model and open-source autonomous surface vehicle
(Massachusetts Institute of Technology, 2020)
Existing models used to explore hydrostatic, hydrodynamic, seakeeping, and maneuvering characteristics of ships are limited in that their characteristics are essentially static. The effects of various hull appendages, ...