D114 Influence of heat transfer area on the maximum net power of OTEC using ammonia/water mixture

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  • D114 アンモニア/水を用いた海洋温度差発電における最大正味出力と伝熱面積の関係(OS2 再生可能エネルギー(太陽・地熱・温度差))

Abstract

Ocean Thermal Energy Conversion (OTEC) is one of the renewable energy resources. Aiming to improvement of OTEC performance, an optimization of heat transfer area is important. For OTEC system using ammonia/water mixture as working fluid, effect of the heat transfer area on the system performance has not been clarified. Therefore, in this paper, the influence of the heat transfer area on the heat transfer performance of the heat exchangers, and subsequently on the entire system is experimentally investigated. Analysis of the power cycle using the experimental data was carried out and a maximum net power of 20.1kW was obtained at warm and cold water flow rates of 350m^3/h and working fluid flow rate of 6t/h.

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