摘要
为提高船用核动力装置二回路系统的热效率,根据船用核动力装置特点建立了二回路系统数学模型,借助MATLAB软件编制了效率评价函数。提出了一种能够增强改进型人群搜索算法,并用标准测试函数对改进型SOA进行试验,验证了算法寻优的快速性和精确性。在二回路系统寻优计算中以系统效率最高为目标,设置4个约束条件,在三维空间内搜索,得出了优化变量的最佳组合,进而得到了系统中各耗汽设备的耗汽量、热负荷、换热节点温度等参数,使系统效率提高了1.8%,最后对优化方案给系统效率造成的影响进行了分析。研究成果表明提出的方法能够实现二回路系统效率的提高,为核动力装置效率优化提供了思路。
In order to improve the efficiency of the marine secondary circuit of nuclear power plant, secondary circuit system model is established based on the characteristics of the marine nuclear power plant, and the efficiency evaluation function is established through MATLAB software. An improved Seeker Optimization Algorithm is proposed, and the improved SOA is tested with the standard test function, which proves the fastness and accuracy of the algorithm. In the seeondary circuit system optimal calculation, efficiency of system is set as the target, four constraints are set, and the optimal combination of the optimization variables is obtained in the four-dimensional space, steam consumption, heat load and heat exchanger node temperature of each main equipment in the system are obtained, the efficiency of the system increased by 1.8 %, finally the influence on system efficiency of optimization program is analyzed. The results show that the proposed method can improve the efficiency of the secondary circuit system and the idea for the efficiency optimization of nuclear power plant is provided.
作者
崔佳林
杨自春
张磊
CUI Jia-lin;YANG Zi-chun;ZHANG Lei(Institute of High Temperature Structural Composite Materials for Naval Ship,School of Power Engineering,Navy University of Engineering,Wuhan 430033,China)
出处
《汽轮机技术》
北大核心
2018年第4期271-275,共5页
Turbine Technology
基金
国家自然科学基金:51609251
关键词
二回路系统
效率
人群搜索算法
优化设计
secondary circuit system
efficiency
seeker optimization algorithm
optimal design
