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International Journal of Computer and Electrical Engineering, Vol. 5, No. 2, April 2013 V. CONCLUSIONS Three kinds of Kalina Solar-OTEC configurations are studied by exerting same solar heat transfer rate to different part of the system in the paper. And the comparative performance analysis between them is carried out for high-efficiency utilization of solar energy in Solar-OTEC system. Results show that Kalina Solar-OTEC in case 1 has better thermodynamics and economic performance than other cases. This means that the solar superheater is essential in Kalina Solar-OTEC system for power generation if the initial conditions are same. In this case, it can enhance the net power output of the system. REFERENCES [1] W. H. Avery and C. Wu, Renewable energy from the ocean-A guide to OTEC, Oxford University Press, New York, 1994. [2] H. Uehara and Y. Ikegami, “Optimization of a closed-cycle OTEC system,” J. Sol. Energy Eng., vol. 112, pp. 247–256, 1990. [3] H. Uehara, A. Miyara, Y. Ikegami, and T. Nakaoka, “Performance analysis of an OTEC plant and a desalination plant using an integrated hybrid cycle,” J. Sol. Energy Eng., vol. 118, pp. 115-122, 1996. [4] F. M. Sun, Y. Ikegami, B. J. Jia, and H. Arima, “Optimization design and exergy analysis of organic rankine cycle in ocean thermal energy conversion,” Appl. Ocean Res., vol. 35, pp. 38-46, 2012. [5] M. B. Ibrahim and R. M. Kovach, “A Kalina cycle application for power generation,” Energy, vol. 18, no. 9, pp. 961-969, 1993. [6] H. A. Avery and G.. B. Walter, “Solar energy from the tropical oceans,” Int. J. of Hydrogen Energy, vol. 24, pp. 295-298, 1999. [7] P. J. T. Straatman and W. G. J. H. M. van Sark, “A new hybrid ocean thermal energy conversion–Offshore solar pond (OTEC–OSP) design: A cost optimization approach,” Solar Energy, vol. 82, no. 6, pp. 520-527, 2008. [8] T. Wang, L. Ding, C. G. Gu, and B. Yang, “Performance analysis and improvement for CC-OTEC system,” J. Mech. Sci. Tech., vol. 22, pp. 1977-1983, 2008. [9] F. M. Sun, Y. Ikegami, and B. J. Jia, “A study on kalina solar system with an auxiliary superheater,” Renewable Energy, vol. 41, pp. 210-219, 2012. [10] F. M. Sun, Y. Ikegami, H. Arima, and W. S. Zhou, “Performance Analysis of the Low Temperature Solar-boosted Power Generation System: Part I. Comparison between Kalina Solar System and Rankine Solar System,” J. Sol. Energy Eng. (ASME), vol. 135, no. 1, no. 011015, 2013. [11] F. M. Sun, Y. Ikegami, H. Arima, and W. S. Zhou, “Performance Analysis of the Low Temperature Solar-boosted Power Generation System: Part II. Thermodynamic Characteristics of the Kalina Solar System,” J. Sol. Energy Eng. (ASME), vol. 135, no. 1, no. 011006, 2013. [12] O. M. Ibrahim and S. A. Klein, “Thermodynamic properties of ammonia-water mixtures,” ASHRAE Transactions: Symposia, CH-93-21-2, 1993. [13] A. Schuster, S. Karellas, E. Kakaras, and H. Spliethoff, “Energetic and economic investigation of Organic Rankine Cycle applications,” Appl. Therm. Eng., vol. 29, pp. 1809-1817, 2009. Faming Sun received his Ph.D. in Fluid Mechanics at Dalian University of Technology on July, 2009. Now he works as a postdoctoral fellow in Ritsumeikan Global Innovation Research Organization (R-GIRO), Japan. Before coming to R-GIRO, he worked as a postdoctoral fellow in Institute of Ocean Energy, Saga University (IOES) in Japan. His research interests focus on energy, exergy and economic analysis and numerical simulation of the low grade thermal power generation system, such as the energy and exergy analysis of the Solar-OTEC System in Organic Rankine cycle (ORC), Kalina cycle, Uehara cycle, etc. Weisheng Zhou received his bachelor degree from Zhejiang University, master degree from Dalian University of Technology, doctor degree from Kyoto University. Now he is Professor of College of Policy Science at Ritsumeikan University, the founding director of Ritsumeikan Research Center for Sustainability Science (RCS). Before coming to Ritsumeikan University, he worked as research fellow in New Energy and Industrial Technology Development Organization (NEDO) and director in Research Institute of Innovative Technology for the Earth. Currently, his work is focused on environmental economics and policy, especially on energy policy. Ken'ichi Nakagami received his Dr. Eng. in Environmental Engineering 1981 from Osaka University, Japan. He is working as a Professor of Environmental Economics & Policy, School of Policy Science, Ritsumeikan University, Kyoto, Japan. He is also the Adviser, Ritsumeikan Center for Sustainability Science and Honorable Executive Trustee for Financial Affairs, The Ritsumeikan Trust (since 2008). His Research and Professional Interest in Environmental Economics & Policy, Water Resources & Environmental Policy, Urban & Regional Environmental Policy, River Basin Resources / Environment Management & Planning, Integrated Water Management and Water Security. Xuanming Su received his Ph.D. degree of policy science from Ritsumeikan University, Japan. At present he works as a postdoctoral fellow in Ritsumeikan Global Innovation Research Organization (R-GIRO), Japan and his research interests focus on energy environmental policy, energy model, energy economic, CO2 emissions, climate change mitigation, etc. 191PDF Image | Energy-Economic Analysis and Configuration Design of the Kalina Solar-OTEC System
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