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Increasing energy efficiency in passenger ships by novel energy conservation measures
journal contribution
posted on 2018-12-18, 11:58 authored by Rami S. El Geneidy, Kevin Otto, Pekka Ahtila, Pentti Kujala, Kari Sillanpaa, Tero Maki-JouppilaTo achieve increasing emission requirements, the cruise ship industry is working to develop higher efficiency ships. Cruise ships are different from other ship types in their relatively higher consumption of electrical power, steam and hot water. Several novel high-efficiency system concepts are possible for on-board electrical power generation and other utility services, each with differing impacts and first costs. Low-emission concepts novel to the cruise ship industry include combinations of exhaust gas heat recovery, heat pumps, steam turbines and organic Rankine cycles (ORCs). Yet, evaluation of these concepts is difficult given the different operating modes of cruises, and overall efficiency is dependent on the dynamic operational sequences. In this paper, we compare alternative energy efficiency concepts for cruise ships through simulation studies of the ship operations when equipped with different novel power generation systems. We find that the dual pressure steam systems and ORC offer the greatest potential for energy efficiency improvements in the cruise ship industry. We also find that relatively conventional technologies enable cruise ships to comply with planned upcoming higher ship energy efficiency requirements.
Funding
This work was supported by Meyer Turku Oy.
History
School
- Architecture, Building and Civil Engineering
Published in
Journal of Marine Engineering & TechnologyVolume
17Issue
2Pages
85 - 98Citation
EL GENEIDY, R.S. ... et al, 2017. Increasing energy efficiency in passenger ships by novel energy conservation measures. Journal of Marine Engineering & Technology, 17 (2), pp.85-98.Publisher
Taylor & Francis © Institute of Marine Engineering, Science & TechnologyVersion
- VoR (Version of Record)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Acceptance date
2017-04-04Publication date
2017Notes
This paper is closed access.ISSN
2046-4177eISSN
2056-8487Publisher version
Language
- en