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Effect of Regenerator Heat Transfer Performance on the Cycle Thermal Efficiency of OTEC Using Ammonia - Water as Working Fluid

発表形態:
一般講演(学術講演を含む)
主要業績:
主要業績
単著・共著:
共著
発表年月:
2005年06月
DOI:
会議属性:
国際会議(国内開催を含む)
査読:
有り
リンク情報:

日本語フィールド

著者:
Yasuyuki Ikegami, Takeshi Yasunaga, Haruo Uehara, H.
題名:
Effect of Regenerator Heat Transfer Performance on the Cycle Thermal Efficiency of OTEC Using Ammonia - Water as Working Fluid
発表情報:
15th International Offshore and Polar Engineering Conference
キーワード:
概要:
Kalina cycle uses ammonia – water as working fluid. This paper discusses the parametric analysis of the effect of regenerator heat transfer performance on Ocean Thermal Energy Conversion (OTEC) using Kalina cycle. The given conditions are the inlet and outlet temperatures of the warm and cold sea water, evaporator and condenser heat transfer performances, boiling pressure at evaporator and mass fraction of ammonia - water. It is clarified that the cycle thermal efficiency is varied by the regenerator heat transfer performance and the optimum mass fraction decided by all conditions. The cycle thermal efficiency increases with the boiling pressure at optimum mass fraction. But ideal regenerator heat transfer performance makes the cycle thermal efficiency constant at optimum mass fraction.
抄録:

英語フィールド

Author:
Yasuyuki Ikegami, Takeshi Yasunaga, Haruo Uehara, H.
Title:
Effect of Regenerator Heat Transfer Performance on the Cycle Thermal Efficiency of OTEC Using Ammonia - Water as Working Fluid
Announcement information:
15th International Offshore and Polar Engineering Conference
An abstract:
Kalina cycle uses ammonia – water as working fluid. This paper discusses the parametric analysis of the effect of regenerator heat transfer performance on Ocean Thermal Energy Conversion (OTEC) using Kalina cycle. The given conditions are the inlet and outlet temperatures of the warm and cold sea water, evaporator and condenser heat transfer performances, boiling pressure at evaporator and mass fraction of ammonia - water. It is clarified that the cycle thermal efficiency is varied by the regenerator heat transfer performance and the optimum mass fraction decided by all conditions. The cycle thermal efficiency increases with the boiling pressure at optimum mass fraction. But ideal regenerator heat transfer performance makes the cycle thermal efficiency constant at optimum mass fraction.


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