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Parametric optimization and performance comparison of organic Rankine cycle with simulated annealing algorithm 被引量：3

Parametric optimization and performance comparison of organic Rankine cycle with simulated annealing algorithm
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摘要 Taking the ratio of heat transfer area to net power and heat recovery efficiency into account,a multi-objective mathematical model was developed for organic Rankine cycle(ORC).Working fluids considered were R123,R134a,R141b,R227ea and R245fa.Under the given conditions,the parameters including evaporating and condensing pressures,working fluid and cooling water velocities were optimized by simulated annealing algorithm.The results show that the optimal evaporating pressure increases with the heat source temperature increasing.Compared with other working fluids,R123 is the best choice for the temperature range of 100-180 °C and R141b shows better performance when the temperature is higher than 180 °C.Economic characteristic of system decreases rapidly with the decrease of heat source temperature.ORC system is uneconomical for the heat source temperature lower than 100 °C. Taking the ratio of heat transfer area to net power and heat recovery efficiency into account, a multi-objective mathematical model was developed for organic Rankine cycle （ORC）. Working fluids considered were R123, R134a, R141b, R227ea and R245fa. Under the given conditions, the parameters including evaporating and condensing pressures, working fluid and cooling water velocities were optimized by simulated annealing algorithm. The results show that the optimal evaporating pressure increases with the heat source temperature increasing. Compared with other working fluids, R123 is the best choice for the temperature range of 100--180℃ and R141 b shows better performance when the temperature is higher than 180 ℃. Economic characteristic of system decreases rapidly with the decrease of heat source temperature. ORC system is uneconomical for the heat source temperature lower than 100℃.
作者 王志奇 周乃君 张家奇 郭静 王晓元
机构地区 School of Energy Science and Engineering Institute of Mechanical Engineering
出处 《Journal of Central South University》 SCIE EI CAS 2012年第9期2584-2590,共7页 中南大学学报（英文版）
基金 Project(2009GK2009) supported by Science and Technology Department Funds of Hunan Province,China Project(08C26224302178) supported by Innovation Fund for Technology Based Firms of China
关键词 模拟退火算法 性能比较 参数优化 朗肯循环 热源温度 R123 工作流体 蒸发压力 parametric optimization organic Rankine cycle simulated annealing algorithm working fluid low-temperature source
分类号 TK124 [动力工程及工程热物理—工程热物理]
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参考文献17

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同被引文献43

  • 1SCHUSTER A, KARELLAS S, AUMANN R. Efficiency optimization potential in supercritical organic Rankine cycles [J]. Energy, 2010, 35(2): 1033-1039.
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  • 7TCHANCHE B F, PAPADAKIS G, LAMBRINOS G, FRANGOUDAKIS A. Fluid selection for a low-temperature solar organic Rankine cycle [J]. Applied Thermal Engineering, 2009, 29(11/12): 2468-2476.
  • 8LIU B, RIVIERE P, COQUELET C, GICQUEL R, DAVID F. Investigation of a two stage Rankine cycle for electric power plants [J]. Applied Energy, 2012, 100(12): 285-294.
  • 9ZHU Qi-di, SUN Zhi-qiang, ZHOU Jie-min. Performance analysis of organic Rankine cycles using different working fluids [J]. Thermal Science, 2015, 19(1): 179-191.
  • 10MAGO P J, CHAMRA L M, SRINIVASAN K, SOMAYAJI C. An examination of regenerative organic Rankine cycles using dry fluids [J], Applied Thermal Engineering, 2008, 28(8/9): 998-1007.

引证文献3

二级引证文献12

Journal of Central South University
2012年 第9期

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