Construction of Simulation Model for OTEC Plant Using Uehara Cycle

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  • ウエハラサイクルを用いた海洋温度差発電プラントのシミュレーションモデル構成
  • ウエハラ サイクル オ モチイタ カイヨウ オンドサ ハツデン プラント ノ シミュレーション モデル コウセイ

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Ocean Thermal Energy Conversion (OTEC) converts heat energy into electricity using 20-27[°C] temperature difference between warm seawater at surface and cold seawater in depth. In this paper, a simulation model for an OTEC plant, which uses the Uehara cycle with an ammonia-water mixture as working fluid, is constructed based on the mass balance and the heat balance. Moreover, a method of the initial value determination for numerical simulation is developed. Accuracy of the simulation model was evaluated by comparing with the experimental results of a pilot OTEC plant.

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