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Beichen Lu, Yanjun Liu, Xiaoyu Zhai, Li Zhang and Yun Chen
In recent years, clean and renewable energy sources have received much attention to balance the contradiction between resource needs and environmental sustainability. Among them, ocean thermal energy conversion (OTEC), which consists of surface warm seaw...
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Yiming Wang, Yun Chen, Gang Xue, Tianxu Zhang and Yanjun Liu
Combining one-dimensional parameter optimization and three-dimensional modeling optimization, a 30 kW radial inflow turbine for ocean thermal energy conversion was designed. In this paper, the effects of blade tip clearance, blade number, twist angle, an...
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Seungtaek Lim, Jiwon Yoon, Hosaeng Lee and Hyeonju Kim
South Korea is currently in the preparatory stage of commercializing an ocean thermal energy conversion (OTEC) system, as the demonstration of a 1 MW scale OTEC system has been accomplished. However, the commercialization of OTEC requires the establishme...
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Jian Tan, Yulong Zhang, Li Zhang, Qingfeng Duan, Chen An and Menglan Duan
The transportation of seawater on a grand scale via an ultra-large cold-water pipe situated within the context of ocean thermal energy conversion (OTEC) floating installations inherently presents challenges associated with instability and potential malfu...
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Sergei Soldatenko
The ocean, one of the five major components of the Earth?s climate system, plays a key role in climate-forming processes, affecting its change and variability. The ocean influences climate over a wide range of time?space scales. To explore the climate, i...
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Qingchao Xia, Bingzhe Chen, Xiaotong Sun, Canjun Yang, Sheng Zhang and Yanhu Chen
Marine resources are rich and contain an enormous amount of energy. The exploration of marine resources and the effective use of ocean energy have gradually become the research focus of scholars all over the world. A profiler driven by ocean thermal ener...
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Yun Chen, Yanjun Liu, Li Zhang and Xiaowei Yang
Turbine is one of the key components of the ocean thermal energy conversion system (OTEC), and its aerodynamic performance and geometric dimension affect the performance of the system directly. This paper proposes a design method for the radial inflow tu...
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Jorge Herrera, Santiago Sierra and Asier Ibeas
Research into renewable energy is an active field of research, with photovoltaic and wind being the most representative technologies. A promising renewable energy source is Ocean Thermal Energy Conversion (OTEC), based on the temperature gradient of seaw...
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Hsien-Wang Ou
This paper considers the general ocean circulation (GOC) within the thermodynamical closure of our climate theory, which aims to deduce the generic climate state from first principles. The preceding papers of this theory have reduced planetary fluids to ...
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Lim Seungtaek, Lee Hoseang and Kim Hyeonju
Near infinite seawater thermal energy, which is considered as an alternative to energy shortage, is expected to be available to 98 countries around the world. Currently, a demonstration plant is being built using closed MW class ocean thermal energy conv...
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María Dolores Esteban, Juan Manuel Espada, José Marcos Ortega, José-Santos López-Gutiérrez and Vicente Negro
Renewable energies play a fundamental role within the current political and social framework for minimizing the impacts of climate change. The ocean has a vast potential for generating energy and therefore, the marine renewable energies are included in t...
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Yasuyuki Ikegami, Takeshi Yasunaga and Takafumi Morisaki
Ocean Thermal Energy Conversion (OTEC) using non-azeotropic mixtures such as ammonia/water as working fluid and the multistage cycle has been investigated in order to improve the thermal efficiency of the cycle because of small ocean temperature differen...
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Alejandro García Huante, Yandy Rodríguez Cueto, Rodolfo Silva, Edgar Mendoza and Luis A. Vega
The energy potential of the oceanic thermal gradients of the Mexican Pacific Ocean was valued theoretically, using seasonal oceanographic data on surface and 1000 m depth ocean temperatures from 1955 to 2013, taken from the World Ocean Database (WOD). Th...
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Yoshitaka Matsuda, Takuma Yoshitake, Takenao Sugi, Satoru Goto, Takafumi Morisaki, Takeshi Yasunaga and Yasuyuki Ikegami
This paper considers the construction of a static model for the power generation of an ocean thermal energy conversion (OTEC) plant using Uehara cycle. The model is constructed based on experimental data obtained from an actual experimental OTEC plant. I...
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Gérard Nihous
A simple algorithm previously used to evaluate steady-state global Ocean Thermal Energy Conversion (OTEC) resources is extended to probe the effect of various effluent discharge methodologies. It is found that separate evaporator and condenser discharges...
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Yanli Jia, Gérard C. Nihous and Krishnakumar Rajagopalan
Previous investigations of the large-scale deployment of Ocean Thermal Energy Conversions (OTEC) systems are extended by allowing some atmospheric feedback in an ocean general circulation model. A modified ocean-atmosphere thermal boundary condition is u...
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Yasuyuki Ikegami, Takeshi Yasunaga and Takafumi Morisaki
Ocean Thermal Energy Conversion (OTEC) using non-azeotropic mixtures such as ammonia/water as working fluid and the multistage cycle has been investigated in order to improve the thermal efficiency of the cycle because of small ocean temperature differen...
ver más
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Alejandro García Huante, Yandy Rodríguez Cueto, Rodolfo Silva, Edgar Mendoza and Luis A. Vega
The energy potential of the oceanic thermal gradients of the Mexican Pacific Ocean was valued theoretically, using seasonal oceanographic data on surface and 1000 m depth ocean temperatures from 1955 to 2013, taken from the World Ocean Database (WOD). Th...
ver más
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Gérard Nihous
A simple algorithm previously used to evaluate steady-state global Ocean Thermal Energy Conversion (OTEC) resources is extended to probe the effect of various effluent discharge methodologies. It is found that separate evaporator and condenser discharges...
ver más
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Yoshitaka Matsuda, Takuma Yoshitake, Takenao Sugi, Satoru Goto, Takafumi Morisaki, Takeshi Yasunaga and Yasuyuki Ikegami
This paper considers the construction of a static model for the power generation of an ocean thermal energy conversion (OTEC) plant using Uehara cycle. The model is constructed based on experimental data obtained from an actual experimental OTEC plant. I...
ver más
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