Dissertation/Thesis Abstract

Life Cycle Assessment as an Environmental Performance Assessment Tool for Small Surface Combatant Vessels
by Hayes, Maggie K., Ph.D., Stevens Institute of Technology, 2018, 257; 10788758
Abstract (Summary)

Environmental performance is increasingly becoming a design metric of interest for ships. While naval vessels are exempt from most environmental regulations, consideration of energy efficiency and environmental performance can yield many benefits, including monetary savings over the vessel’s life, and operational performance benefits. Additionally, strong environmental performance of naval vessels serves as a positive representation of national values and continues the Navy’s history of leadership in ship technology; however, past assessments of the U.S. Navy’s environmental performance have noted that often the impact of energy efficiency and environmental performance tends to be undervalued during the design process, hurting the environmental performance of new builds.

This research focuses on adapting the Life Cycle Assessment methodology to naval vessels, with the goal of enhancing the Navy’s toolbox for environmental performance assessment. A notional frigate is used as a case study in the application of screening LCA as a decision-making tool for warship design. Application is aimed at the comparison between concept designs to maximize the potential usefulness of the tool in decision-making. Titanium ship structures and a combined cycle Solid Oxide Fuel Cell/Gas Turbine power plant are compared to baseline steel structures and gas turbine prime movers. The assessment considers the impact of structural material and machinery design on overall vessel design, operational performance, construction, maintenance, scrapping, and recycling procedures – enabling an appreciation for the through-life benefits of efficiency improving technologies early in the design process and identifying environmental trade-offs for the considered technologies.

Indexing (document details)
Advisor: Datla, Raju
Commitee: Fireman, Howard, Greig, Alistair, Kennell, Colen, Pennotti, Michael
School: Stevens Institute of Technology
Department: Ocean Master of Science - Operations Research
School Location: United States -- New Jersey
Source: DAI-B 79/12(E), Dissertation Abstracts International
Subjects: Naval engineering, Sustainability
Keywords: Concept design, Environmental performance, Life cycle assessment, Machinery design, Structural design, Warship
Publication Number: 10788758
ISBN: 978-0-438-24133-6
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