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

Affiliated Marine Energy Engineering Documents

Total results: 443
Title Author Date Type of Content Technology Collection Method Engineering
Performance Evaluation Method of Ocean Thermal Energy Conversion System Yasunaga, T., Morisaki, T., Ikegami, Y. Journal Article OTEC Modeling Performance
Design Envelope Approach for Assessing Environmental Impacts of Tidal Developments. Fair Head Tidal Case Study McGrath, C., Thoules, J., Burnett, R. Conference Paper Tidal, OTEC
An assessment of Florida's ocean thermal energy conversion (OTEC) resource VanZwieten, J., Rauchenstein, L., Lee, L. Journal Article OTEC Modeling
Web Applicaton for OTEC Simulator Using Double-stage Rankine Cycle Goto, S., Matsuda, Y., Sugi, T. Journal Article OTEC, Closed-Cycle Modeling Control, Performance
Control of OTEC Plant Using Double-stage Rankine Cycle Considering Warm Seawater Temperature Variation Matsuda, Y., Goto, S., Morisaki, T. Journal Article OTEC Modeling Performance
Preliminary design and performance analysis of a radial inflow turbine for ocean thermal energy conversion Kim, D., Kim, Y. Journal Article OTEC Performance
Analysis of the high-efficiency EP-OTEC cycle using R152a Yoon, J., Seol, S., Son, C. Journal Article OTEC, Closed-Cycle Modeling Materials, Performance
Review of ocean tidal, wave and thermal energy technologies Khan, N., Kalair, A., Abas, N. Journal Article Current, Tidal, Wave, Salinity Gradient, OTEC
Thermodynamic analysis of siphon flash evaporation desalination system using ocean thermal energy Jin, Z., Ye, H., Wang, H. Journal Article OTEC, Open-Cycle Modeling, Scale Device Performance
Economic assessment and prospect of hydrogen generated by OTEC as future fuel Banerjee, S., Musa, M., Jaafar, A. Journal Article OTEC, Open-Cycle Field Data
Initial Study Of Potency Thermal Energy Using OTEC (Ocean Thermal Energy Conversion) As A Renewable Energy For Halmahera Indonesia Andrawina, Y., Sugianto, D., Alifdini, I. Conference Paper OTEC
An Application of Ocean Mining Technology: Deep Ocean Water Utilization Otsuka, K., Ouchi, K. Journal Article OTEC, Closed-Cycle Modeling Performance, Structural
Beyond electricity: The potential of ocean thermal energy and ocean technology ecoparks in small tropical islands Osorio, A., Arias-Gaviria, J., Devis-Morales, A. Journal Article OTEC
Oceanic Observation and Investigation for Compound use of OTEC in Kumejima Ikegami, Y., Yasunaga, T., Urata, K. Journal Article OTEC Field Data
Ocean thermal energy harvesting with phase change material for underwater glider Ma, Z., Wang, Y., Wang, S. Journal Article OTEC, Closed-Cycle Field Data, Modeling, Full Scale Performance, Power Take Off
Ocean Thermal Energy Conversion (OTEC) Heat Exchanger Test and Evaluation Hawaii Natural Energy Institute Report OTEC Performance, Structural
Simulation of a Hybrid Solar and Ocean Thermal Energy Conversion System Sahoo, P., Padhy, J. Journal Article OTEC Modeling Hybrid Devices, Performance
Energy budget of the thermal gradient in the Southern Brazilian continental shelf Souza, R. , Marques, W. Journal Article OTEC Field Data, Modeling
Performance evaluation and parametric optimum design of an updated ocean thermal energy conversion system Cai, L. Journal Article OTEC Modeling Performance
A thermal engine for underwater glider driven by ocean thermal energy Yang, Y., Wang, Y., Ma, Z. Journal Article OTEC Lab Data, Modeling Materials, Performance
Numerical prediction of the performance of radial inflow turbine designed for ocean thermal energy conversion system Nithesh, K., Chatterjee, D. Journal Article OTEC, Closed-Cycle Lab Data, Scale Device Performance
Marine Renewable Energy Seascape Borthwick, A. Journal Article Current, Wave, Salinity Gradient, OTEC
Thermoeconomic analysis of an ocean thermal energy conversion plant Jung, J., Lee, H., Kim, H. Journal Article OTEC Modeling
Dual-use open cycle ocean thermal energy conversion (OC-OTEC) using multiple condensers for adjustable power generation and seawater desalination Kim, A., Kim, H., Lee, H. Journal Article OTEC, Open-Cycle Modeling Performance
Energy harvesting for marine based sensors Davidson, J. Thesis Wave, OTEC Modeling Performance, Power Take Off, Structural
Dual-use open cycle ocean thermal energy conversion (OC-OTEC) using multiple condensers for adjustable power generation and seawater desalination Kim, A., Kim, H., Lee, H. Journal Article OTEC, Open-Cycle Modeling Performance
Design and performance analysis of radial-inflow turboexpander for OTEC application Nithesh, K., Chatterjee, D., Oh, C. Journal Article OTEC Modeling Hydrodynamics
Study of Ocean Thermal Energy Conversion (OTEC) Generation as Project of Power Plant in West Sumatera-Indonesia Octaviani, F., Muslim, M., Faturachman, D. Journal Article OTEC Modeling
Ocean Thermal Energy Conversion Ravindran, M., Abraham, R. Book Chapter OTEC Performance, Structural
Potential Evaluation of Ocean Thermal Energy Conversion Morisaki, T., Yasunaga, T., Ikegami, Y. Journal Article OTEC Performance
Performance analysis of a solar-assisted OTEC cycle for power generation and fishery cold storage refrigeration Yuan, H., Zhou, P., Mei, N. Journal Article OTEC, Closed-Cycle Modeling Hybrid Devices, Performance
Thermodynamic analysis and optimization of a 10MW OTEC Rankine cycle in Reunion Island with the equivalent Gibbs system method and generic optimization program GenOpt Sinama, F., Martins, M., Journoud, A. Journal Article OTEC, Closed-Cycle Lab Data, Modeling Control, Performance
LNG as cold heat source in OTEC systems Arcuri, N., Bruno, R., Bevilacqua, P. Journal Article OTEC, Open-Cycle Field Data, Modeling Materials, Performance
Multi-objective optimization of an ocean thermal energy conversion system for hydrogen production Ahmadi, P., Dincer, I., Rosen, M. Journal Article OTEC, Hybrid-Cycle Modeling Hybrid Devices
OTEC heat exchanger program ultrasonic scanning for corrosion monitoring Makai Ocean Engineering Report OTEC Lab Data Materials
Design Optimization Of Power Generation And Desalination Application In Malaysia Utilizing Ocean Thermal Energy Chik, M., Othman, N., Sarip, S. Journal Article OTEC, Closed-Cycle Modeling Performance
OTEC Potential in the Indonesian Seas Syamsuddin, M., Attamimi, A., Nugraha, A. Journal Article OTEC Field Data Hydrodynamics
Performance Test of Double-stage Rankine Cycle Experimental Plant for OTEC Kusuda, E., Morisaki, T., Ikegami, Y. Journal Article OTEC, Closed-Cycle Lab Data Performance
OTEC Matters 2015 Dessne, P., Golmen, L. Report OTEC
Off-design performance analysis of a closed-cycle ocean thermal energy conversion system with solar thermal preheating and superheating Aydin, H., Lee, H., Kim, H. Journal Article OTEC, Closed-Cycle Performance
OTEC XH Testing Program 2014 Annual Report Makai Ocean Engineering Report OTEC Performance, Structural
Performance characteristics of a high-efficiency R717 OTEC power cycle Yoon, J., Son, C., Baek, S. Journal Article OTEC, Closed-Cycle Modeling Control, Performance
Analysing the Effect of the Hot Water Temperature Change on Different OTEC Processes Knorst-Fouran, A., Teixeira, D., Ambrosino, J. Conference Paper OTEC, Closed-Cycle Modeling Control, Performance
A review of synthetic fiber moorings for marine energy applications Davies, P., Johanning, L., Weller S. Conference Paper Current, Wave, OTEC Materials, Mooring
Performance analysis of an absorption power cycle for ocean thermal energy conversion Yuan, H., Zhou, P. Journal Article OTEC, Closed-Cycle Modeling Performance
An economic and environmental assessment of transporting bulk energy from a grazing ocean thermal energy conversion facility Gilmore, E., Blohm, A. , Sinsabaugh, S. Journal Article OTEC, Closed-Cycle Modeling Materials
A novel working fluid for building air-conditioning and ocean thermal energy conversion Lee, H., Kim, H., Jung, D. Journal Article OTEC, Hybrid-Cycle Modeling Materials, Performance
Feasibility study of a combined Ocean Thermal Energy Conversion method in South Korea Jung, H., Hwang, J. Journal Article OTEC, Closed-Cycle Modeling Performance
Maximum power of a multistage Rankine cycle in low-grade thermal energy conversion Morisaki, T., Ikegami, Y. Journal Article OTEC, Closed-Cycle Modeling Materials, Performance
Analysis of optimization in an OTEC plant using organic Rankine cycle Yang, M., Yeh, R. Journal Article OTEC Performance
Displaying 301 - 350 of 443 results