Safe and effective application of ammonia as a marine fuel

Master thesis (2019)

Authors

N. de Vries Mechanical Engineering

Contributors

P. de Vos Ship Design, Production and Operations - Mechanical, Maritime and Materials Engineering (supervisor 1)
Peter Lankreijer C-Job Naval Architects (supervisor 1)
Wim Zindler C-Job Naval Architects (supervisor 1)
K. Visser Ship Design, Production and Operations - Mechanical, Maritime and Materials Engineering (supervisor 2)
Y. Pang Transport Engineering and Logistics - Mechanical, Maritime and Materials Engineering (supervisor 2)
Faculty
Mechanical Engineering
Copyright: © 2019 Niels de Vries
Ammonia Fuel cell Risk assessment Renewable electricity price CO2 taxation Marine fuel Internal combustion engine Fuel system diagram
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Published Date

12-06-2019

Language

English

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Faculty

Mechanical Engineering

Abstract

To achieve significant reduction in greenhouse gas emissions in shipping and enable ship owners to phase out fossil fuels entirely, renewable fuels, such as ammonia, play a crucial role. Ammonia is considered a balanced solution in terms of volumetric energy density and renewable synthetic production cost compared to other renewable fuels. However, many questions still need to be answered to determine if ammonia as a fuel for ships is a feasible option. Therefore, the purpose of this project is to investigate how ammonia can be applied safely and effectively as a marine fuel. An ammonia carrier will be used to study the concept of using ammonia as a marine fuel. To study effective use of ammonia as a marine fuel the following options for power generation are investigated: the steam turbine, gas turbine, internal combustion engine (both compression and spark ignition) and fuel cells (both proton exchange membrane, alkaline and solid oxide fuel cells). The results of effective use of ammonia as a marine fuel are used to develop an ammonia fuel system diagram. This diagram is studied by means of a qualitative risk assessment to gain insight in safety of using ammonia as a marine fuel.