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Improving the parametric method of cost estimating relationships of naval ships
(Massachusetts Institute of Technology, 2014)
In light of recent military budget cuts, there has been a recent focus on determining methods to reduce the cost of Navy ships. A RAND National Defense Research Institute study showed many sources of cost escalation for ...
Hydrodynamics of high speed planing hulls with partially ventilated bottom and hydrofoils
(Massachusetts Institute of Technology, 2014)
The influence of a cambered shaped bottom step on the performance of sea going V-stepped planing hulls is investigated using numerical methods. The shape of the step was designed to decrease the Drag/Lift ratio of the hull ...
Developing an accelerated aging system for gasoline particulate filters and an evaluation test for effects on engine performance
(Massachusetts Institute of Technology, 2014)
Stringent regulations worldwide will limit the level of particulate matter (PM) emitted from gasoline engines equipped with direct fuel injection. Gasoline particulate filters (GPFs) present one strategy for meeting PM ...