ハイブリッドサイクルを用いた海洋温度差発電システムの研究

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タイトル別名
  • Ocean Thermal Energy Conversion Plant Using Integrated Hybrid Cycle
  • ― Kumejima ―
  • ― 久米島海域 ―

抄録

Hybrid Ocean Thermal Energy Conversion (OTEC) system is one of the OTEC system, composed of electric generating plant and desalination plant. The submarine topography of east side of Kumejima region is suitable for arranging pipelines to take in deep ocean water. Therefore, Kumejima region is one of the place that is expected to construct an OTEC plant, and already OTEC experimental plant is under running. This report is written about the performance analysis of Hybrid OTEC system that using oceanographic investigation results conducted by the fisheries training ship. The working fluid was using NH3. A procedure is developed to maximize a net power of power system consisting of shell and plate type heat exchanger under the condition of designate power system. The maximum net power is given by minimizing the heat exchangers which consume most of a power system. The minimum value of objective function is about 19.9 m2 / kW, when the temperature difference of warm seawater and cold seawater is 20.8 ℃（Jun. 2018）.

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