In the paper, the performance of two cycle systems, Rankine and Kalina-11 (KSC-11) are compared. The conclusion of this comparison yields the Kalina-11 cycle superior. In the KSC-11 cycle, it is found that the optimal ammonia fraction exists in the system under a fixed turbine inlet pressure. And the corresponding optimal turbine exists in the system under a constant ammonia fraction. When the ocean temperature difference is 19°C, the ammonia fraction has little effect on the 15kW OTEC KSC-11 system maximal net power with the corresponding optimal turbine inlet pressure of 0.6∼0.75MPa. When the ammonia fraction is 0.95, the system has the best combined performance. And the corresponding optimal turbine inlet pressure is revealed to be 0.75MPa. The ratio of total heat exchanger area to net power produced γ is discovered to be 6∼7 m2/kW.
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ASME 2010 Power Conference
July 13–15, 2010
Chicago, Illinois, USA
Conference Sponsors:
- Power Division
ISBN:
978-0-7918-4935-4
PROCEEDINGS PAPER
Investigation on the Performance of the 15kW OTEC System
Jianying Gong
,
Jianying Gong
Chang’an University, Xi’an, China
Search for other works by this author on:
Tieyu Gao
Tieyu Gao
Xi’an JiaoTong University, Xi’an, China
Search for other works by this author on:
Jianying Gong
Chang’an University, Xi’an, China
Tieyu Gao
Xi’an JiaoTong University, Xi’an, China
Paper No:
POWER2010-27312, pp. 477-481; 5 pages
Published Online:
December 24, 2010
Citation
Gong, J, & Gao, T. "Investigation on the Performance of the 15kW OTEC System." Proceedings of the ASME 2010 Power Conference. ASME 2010 Power Conference. Chicago, Illinois, USA. July 13–15, 2010. pp. 477-481. ASME. https://doi.org/10.1115/POWER2010-27312
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