OTEC

Capturing energy using temperature gradients across water depths.

Ocean thermal energy conversion (OTEC) technology converts solar energy stored in the layers of the tropical and subtropical oceans. Thermal heat engines use the temperature difference between the sun-warmed surface water and cold water in the deep ocean. The temperature difference between surface waters and deeper water can reach over 25oC in summer months, although usually this temperature difference exists only over water with depths of 1,000 m or greater. Many different OTEC archetypes have been investigated, some on floating offshore platforms and some built onshore with pipelines to transport the water to and from the ocean. Each system uses one or a combination of thermodynamic processes to turn the temperature difference into mechanical energy. Both the open-cycle and closed-cycle plants use cold water pumped from the deep ocean to condense a working fluid. An ancillary benefit is that the condensate is freshwater that can have other uses such as agriculture and potable drinking water.

Photo: Okinawa Prefecture Industrial Policy Division

Marine Energy Documents Related to OTEC

Tethys Engineering is a knowledge hub that contains documents and resources about the technical aspects of marine energy development. The table below contains all of the documents in the Tethys Engineering Knowledge Base associated with OTEC.

Total: 517

Title Author Date Type of Content Technology Collection Method Engineering
Development study of automatic control system for the demonstration plant of ocean thermal energy conversion (OTEC) using sequence controller Lim, S., Lee, H., Kim, H. Journal Article OTEC, Closed-Cycle Field Data, Modeling Control, Performance
Evaluation of hybrid ocean thermal energy conversion system plantwide performance Azam, K., Abidin, M., Husain, M. Conference Paper OTEC, Hybrid-Cycle Lab Data, Modeling Performance
Marine renewable energy devices and their control: An overview Ringwood, J. Journal Article Current, Wave, Salinity Gradient, OTEC
Optimal design of radial inflow turbine for ocean thermal energy conversion based on the installation angle of nozzle blade Chen, Y., Liu, Y., Liu, W. Journal Article OTEC Modeling Performance
Improvement of Ocean Thermal Energy Conversion (OTEC) Efficiency by Using Ammonia-Water Zeotropic Mixture Working Fluid Halimi, B., Generanta, I. Conference Paper OTEC, Hybrid-Cycle Modeling
White Paper on Ocean Thermal Energy Conversion (OTEC) Ocean Energy Systems Report OTEC
Potential Ocean Thermal Energy Conversion in Indonesian Waters Territory Suprijo, T., Poerbo, P., Park, H. Journal Article OTEC Modeling
An extensive thermo-economic evaluation and optimization of an integrated system empowered by solar-wind-ocean energy converter for electricity generation – Case study: Bandar Abas, Iran Assareh, E., Assareh, M., Alirahmi, S. Journal Article OTEC Hybrid Devices, Performance
Exergo-economic assessment of OTEC power generation Talluri, L., Manfrida, G., Ciappi, L. Conference Paper OTEC Performance
The Suitability of the Pacific Islands for Harnessing Ocean Thermal Energy and the Feasibility of OTEC Plants for Onshore or Offshore Processing Kim, H-J., Lee, H-S., Lim, S-T. Journal Article OTEC
Alternative Markets for Ocean Energy Ocean Energy Systems Report Current, Wave, OTEC
Research on Optimization and Verification of the Number of Stator Blades of kW Ammonia Working Medium Radial Flow Turbine in Ocean Thermal Energy Conversion Chen, Y., Liu, Y., Yang, W. Journal Article OTEC, Closed-Cycle Modeling Performance, Structural
Ocean Thermal Energy Conversion (OTEC) Heat Exchanger Development: 2020-2021 Makai Ocean Engineering Report OTEC Lab Data, Modeling Performance, Structural
Investigation of Self-Driven Profiler with Buoyancy Adjusting System towards Ocean Thermal Energy Xia, Q., Muhammad, G., Chen, B. Journal Article OTEC Field Data Performance
Indirect air CO2 capture and refinement based on OTEC seawater outgassing Straatman, P., van Sark, W. Journal Article OTEC, Open-Cycle
Evaluation of a novel ammonia-water based combined cooling, desalination and power system based on thermodynamic and exergoeconomic analyses Zhou, S., Liu, X., Zhang, K. Journal Article OTEC Modeling Hybrid Devices, Performance
State-of-the-art of renewable energy sources used in water desalination: Present and future prospects Bundschuh, J., Kaczmarczyk, M., Ghaffour, N. Journal Article Salinity Gradient, OTEC
Offshore Renewables: An Action Agenda for Deployment IRENA Report Current, Wave, Salinity Gradient, OTEC
Simplified Formulation of Coupled System Between Moored Ship and Elastic Pipe for OTEC Plantship Hisamatsu, R., Utsunomiya, T. Conference Paper OTEC, Closed-Cycle Modeling Structural
Assessing biofouling in Ocean Thermal Energy Conversion (OTEC) power plant – A review Abidin, M., Rodhi, M., Hamzah, F. Conference Paper OTEC, Hybrid-Cycle Lab Data Structural
Stability Analysis of Cold-water Pipe Under Different Inlet Flow Field Models Ma, Y., You, Y., Feng, A. Conference Paper OTEC Modeling Structural
Ocean Power Hossain, E., Petrovic, S. Book Chapter Current, Tidal, Wave, OTEC
International Workshop on Marine Energy Data Sharing: Workshop Report Copping, A., Weers, J., Ruehl, K. Workshop Article Current, Wave, Salinity Gradient, OTEC
Plant siting and economic potential of ocean thermal energy conversion in Indonesia a novel GIS-based methodology Langer, J., Cahyaningwidi, A., Chalkiadakis, C. Journal Article OTEC
Off-design performance of closed OTEC cycles for power generation Giostri, A., Romei, A., Binotti, M. Journal Article OTEC, Closed-Cycle Modeling Performance
Linear vs non-linear analysis on self-induced vibration of OTEC cold water pipe due to internal flow Adiputra, R., Utsunomiya, T. Journal Article OTEC Modeling
Sensitivity Analysis of OTEC-CC-MX-1 kWe Plant Prototype Tobal-Cupul, J., Cerezo-Acevedo, E., Arriola-Gil, Y. Journal Article OTEC Modeling Performance
Performance Evaluation Concept for Ocean Thermal Energy Conversion toward Standardization and Intelligent Design Yasunaga, T., Fontaine, K., Ikegami, Y. Journal Article OTEC Performance
Ocean Energy for Ocean Worlds Cavagnaro, R., Spence, H., Schmaus, C. Conference Paper Current, Wave, Salinity Gradient, OTEC
Ocean Thermal Energy Conversion—Flexible Enabling Technology for Variable Renewable Energy Integration in the Caribbean Brecha, R., Schoenenberger, K., Ashtine, M. Journal Article OTEC, Open-Cycle Grid Integration
Commercialization Strategy for Marine Energy National Hydropower Association, Marine Energy Council Report Current, Tidal, Ocean Current, Riverine, Wave, OTEC
Criteria for Optimal Site Selection for Ocean Thermal Energy Conversion (OTEC) Plants in Mexico Garduño-Ruiz, E., Silva, R., Rodríguez-Cueto, Y. Journal Article OTEC
Validation of Sea-Surface Temperature Data for Potential OTEC Deployment in the Mexican Pacific Huante, A., Cueto, Y., Contreras, R. Journal Article OTEC Field Data, Modeling
Ocean Thermal Energy Conversion and Other Uses of Deep Sea Water: A Review Herrera, J., Sierra, S., Ibeas, A. Journal Article OTEC
Research on Solar-assisted Ocean Thermal Energy Conversion System Cui, Q. Conference Paper OTEC Hybrid Devices, Performance
Three-Dimensional Performance Analysis of a Radial-Inflow Turbine for Ocean Thermal Energy Conversion System Chen, Y., Liu, Y., Zhang, L. Journal Article OTEC Modeling Performance
Marine Energy in the United States: An Overview of Opportunities Kilcher, L., Fogarty, M., Lawson, M. Report Current, Ocean Current, Riverine, Tidal, Wave, OTEC
The extraction of power and fresh water from the ocean off the coast of KZN utilising ocean thermal energy conversion (OTEC) techniques Gumede, M. Thesis OTEC, Open-Cycle Lab Data, Modeling Performance
Blue energy potential assessment and their impact on the electricity system of the Republic of Croatia Leopoldović, L. Thesis Wave, OTEC
Effects of working conditions on the performance of an ammonia ejector used in an ocean thermal energy conversion system Li, S., Zhai, X., Liu, Y. Journal Article OTEC, Closed-Cycle Modeling Performance
Simulation Modeling The Performance of Ocean Thermal Energy Conversion Power Cycle Samsuri, N., Sazali, N., Jamaludin, A. Journal Article OTEC, Closed-Cycle Modeling Performance
A study on the feasibility of using solar radiation energy and ocean thermal energy conversion to supply electricity for offshore oil and gas fields in the Caspian Sea Zereshkian, S., Mansoury, D. Journal Article OTEC Field Data, Modeling
Techno-economic efficiencies and environmental criteria of Ocean Thermal Energy Conversion closed Rankine cycle using different working fluids Samsuri, N., Sazali, N., Jamaludin, A. Journal Article OTEC Materials
Economic study on the construction of a 50 MW Ocean Thermal Energy Conversion (OTEC) facility in Banten Province, Indonesia Rahmawati, S. Journal Article OTEC
A Study on Coupled Behavior Analysis and Position Keeping System for OTEC Plantship and Cold Water Pipe Ryoya, H., Utsunomiya, T. Journal Article OTEC Modeling
Numerically and Experimentally Study on Flow Structure in Grooved Channels for Pulsatile Flow Ma, J., Bian, Y., Yang, Y. Journal Article OTEC Lab Data, Modeling
Estimation of Ocean Thermal Energy Conversion Resources in the East of Malaysia Thirugnana, S., Jaafar, A., Yasunaga, T. Journal Article OTEC
Ocean Thermal Energy Conversion Plant Using Integrated Hybrid Cycle - Kumejima, Okinotorishima Ishida, M., Shimaoka, Y., Ohara, J. Journal Article OTEC, Hybrid-Cycle Field Data Performance
Characteristics of flow patterns under pulsatile flow with same oscillatory fraction in the grooved channel Yang, Y., Bian, Y., Arima, H. Journal Article OTEC Lab Data Hydrodynamics, Performance
Performance Evaluation of the Ocean Thermal Energy Conversion System Using Cross-Flow Plate Type Heat Exchangers Yasunaga, T., Nakamura, T., Okuno, T. Journal Article OTEC, Closed-Cycle Modeling Performance
Displaying 201 - 250 of 517 results