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Dual-use open cycle ocean thermal energy conversion (OC-OTEC) using multiple condensers for adjustable power generation and seawater desalination

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  • Kim, Albert S.
  • Kim, Hyeon-Ju
  • Lee, Ho-Saeng
  • Cha, Sangwon

Abstract

Multiple condensers are used for dual-use open cycle ocean thermal energy conversion to generate both electric power and desalinated water with preset ratios. Fundamentals of heat and mass transfer phenomena are scrutinized to identify optimal operational conditions of various OC-OTEC plant scales. Important control parameters include warm water temperature and its intake rate, vacuum pressure in the evaporator, and cold water temperature. Intake rate of the cold deep seawater is estimated based on the operational mode and conditions. Performances of the multiple condenser OC-OTEC system, power generation and seawater desalination capacities are analytically evaluated in terms of steam flow fractions, temperature of intake seawater, and vacuum pressure. This research provides unprecedented levels of theoretical depth, mathematical details, and design criteria for highly optimized dual-use OC-OTEC operations. Future research directions for OC-OTEC technologies are also discussed in detail.

Suggested Citation

  • Kim, Albert S. & Kim, Hyeon-Ju & Lee, Ho-Saeng & Cha, Sangwon, 2016. "Dual-use open cycle ocean thermal energy conversion (OC-OTEC) using multiple condensers for adjustable power generation and seawater desalination," Renewable Energy, Elsevier, vol. 85(C), pages 344-358.
    • Handle: RePEc:eee:renene:v:85:y:2016:i:c:p:344-358
    DOI: 10.1016/j.renene.2015.06.014
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    References listed on IDEAS

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    1. Aydin, Hakan & Lee, Ho-Saeng & Kim, Hyeon-Ju & Shin, Seung Kyoon & Park, Keunhan, 2014. "Off-design performance analysis of a closed-cycle ocean thermal energy conversion system with solar thermal preheating and superheating," Renewable Energy, Elsevier, vol. 72(C), pages 154-163.
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    3. Faizal, Mohammed & Ahmed, M. Rafiuddin, 2013. "Experimental studies on a closed cycle demonstration OTEC plant working on small temperature difference," Renewable Energy, Elsevier, vol. 51(C), pages 234-240.
    4. Sharmila, N. & Jalihal, Purnima & Swamy, A.K. & Ravindran, M., 2004. "Wave powered desalination system," Energy, Elsevier, vol. 29(11), pages 1659-1672.
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    Cited by:

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    2. Pattanaik, Biren & Sutha, S. & Dinesh, D. & Jalihal, Purnima, 2024. "Data-driven model based adaptive feedback-feed forward control schemes for open cycle - OTEC process," Renewable Energy, Elsevier, vol. 221(C).
    3. Okampo, Ewaoche John & Nwulu, Nnamdi, 2021. "Optimisation of renewable energy powered reverse osmosis desalination systems: A state-of-the-art review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 140(C).
    4. Robert J. Brecha & Katherine Schoenenberger & Masaō Ashtine & Randy Koon Koon, 2021. "Ocean Thermal Energy Conversion—Flexible Enabling Technology for Variable Renewable Energy Integration in the Caribbean," Energies, MDPI, vol. 14(8), pages 1-19, April.
    5. Milad Shadman & Corbiniano Silva & Daiane Faller & Zhijia Wu & Luiz Paulo de Freitas Assad & Luiz Landau & Carlos Levi & Segen F. Estefen, 2019. "Ocean Renewable Energy Potential, Technology, and Deployments: A Case Study of Brazil," Energies, MDPI, vol. 12(19), pages 1-37, September.
    6. Li, Zhenyu & Siddiqi, Afreen & Anadon, Laura Diaz & Narayanamurti, Venkatesh, 2018. "Towards sustainability in water-energy nexus: Ocean energy for seawater desalination," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 3833-3847.
    7. Takvor H. Soukissian & Dimitra Denaxa & Flora Karathanasi & Aristides Prospathopoulos & Konstantinos Sarantakos & Athanasia Iona & Konstantinos Georgantas & Spyridon Mavrakos, 2017. "Marine Renewable Energy in the Mediterranean Sea: Status and Perspectives," Energies, MDPI, vol. 10(10), pages 1-56, September.

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