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Daniele Ricci, Francesco Battista, Manrico Fragiacomo and Ainslie Duncan French
The cooling jackets of liquid rocket engines are composed of narrow passages surrounding the thrust chambers and ensure the reliable operation of the engine. Critical conditions may also be encountered, since the cooling jackets of cryogenic engines, suc...
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Dalibor Peru?ko, Damir Karabaic, Ivan Bajsic and Jo?e Kutin
During LNG storage and transportation by ship, a fraction of the LNG in the cryogenic tanks evaporates due to heat ingress through the insulation, resulting in boil-off gas (BOG) production and a change in LNG composition, a phenomenon known as LNG agein...
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Myung-Sung Kim and Kang Woo Chun
As the maritime industry?s emphasis on sustainable fuels has increased, liquid hydrogen (LH2) has emerged as a promising alternative due to its high energy density and zero-emission characteristics. While the experience of using natural gas in ships can ...
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Hamidreza Abedi, Carlos Xisto, Isak Jonsson, Tomas Grönstedt and Andrew Rolt
The investigation of the various heat management concepts using LH2 requires the development of a modeling environment coupling the cryogenic hydrogen fuel system with turbofan performance. This paper presents a numerical framework to model hydrogen-fuel...
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Gun-Baek So
As international regulations on greenhouse gas emissions are becoming stricter, the development of eco-friendly main engines is required for ocean-going ships. To use cryogenic LNG as a fuel for marine engines, it has to be converted to gas. This process...
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Federico Ustolin, Alessandro Campari and Rodolfo Taccani
The European Green Deal aims to transform the EU into a modern, resource-efficient, and competitive economy. The REPowerEU plan launched in May 2022 as part of the Green Deal reveals the willingness of several countries to become energy independent and t...
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Jan van Schyndel, Elke Goos, Clemens Naumann, Justin S. Hardi and Michael Oschwald
Methane (CH4) is a promising rocket fuel for various future space mission scenarios. It has advantages in terms of cost, performance, and environmental friendliness. Currently, there is no clear definition on standards and specifications for liquefied me...
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Ann Rigmor Nerheim, Vilmar Æsøy and Finn Tore Holmeset
As the use of fossil fuels becomes more and more restricted there is a need for alternative fuels also at sea. For short sea distance travel purposes, batteries may be a solution. However, for longer distances, when there is no possibility of recharging ...
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Dong-Ha Lee, Seung-Joo Cha, Jeong-Dae Kim, Jeong-Hyeon Kim, Seul-Kee Kim and Jae-Myung Lee
Because environmentally-friendly fuels such as natural gas and hydrogen are primarily stored in the form of cryogenic liquids to enable efficient transportation, the demand for cryogenic fuel (LNG, LH) ships has been increasing as the primary carriers of...
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Konstantinos Milioulis, Victor Bolbot and Gerasimos Theotokatos
Recent regulatory requirements for shipping emissions control have led to the adoption of Liquefied Natural Gas (LNG) as a marine fuel and the design of LNG-fuelled vessels. Considering the potential safety implications due to system failure/unavailabili...
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