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Ocean thermal energy conversion: a general introduction

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  • Lavi, Abrahim

Abstract

The ocean thermal energy conversion (OTEC) concept is discussed with emphasis on the closed Rankine cycle using ammonia as a working fluid. The main features of OTEC, such as low efficiency high flow rates, and high capital cost are put in perspective in terms of energy cost at the bus bar. Sensitivity analyses of net output power to key design variables and to performance uncertainty are performed. It is concluded that even with a large error in estimating performance conditions, the plant produces net output power. This indicates the robust nature of current designs. Finally, cost figures of major system components are given and electricity cost based on a hypothetical capital cost is computed.

Suggested Citation

  • Lavi, Abrahim, 1980. "Ocean thermal energy conversion: a general introduction," Energy, Elsevier, vol. 5(6), pages 469-480.
    • Handle: RePEc:eee:energy:v:5:y:1980:i:6:p:469-480
    DOI: 10.1016/0360-5442(80)90071-7
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    Cited by:

    1. José Manuel Oliver & Maria Dolores Esteban & José-Santos López-Gutiérrez & Vicente Negro & Maria Graça Neves, 2021. "Optimizing Wave Overtopping Energy Converters by ANN Modelling: Evaluating the Overtopping Rate Forecasting as the First Step," Sustainability, MDPI, vol. 13(3), pages 1-25, February.
    2. 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.
    3. Zhang, Wei & Li, Ye & Wu, Xiaoni & Guo, Shihao, 2018. "Review of the applied mechanical problems in ocean thermal energy conversion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 93(C), pages 231-244.
    4. Cavrot, D.E., 1993. "Economics of Ocean Thermal Energy Conversion (OTEC)," Renewable Energy, Elsevier, vol. 3(8), pages 891-896.

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