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凝汽器布管优化及其节能改造
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作者 陶友军 黄文兵 +1 位作者 刘洋 刘宏波 《东方汽轮机》 2024年第1期20-24,共5页
CFD技术的发展为凝汽器流场仿真优化提供了更为可行和便捷的方法。为设计更为合理高效的凝汽器布管方式,文章通过采用商业CFD软件和二维多孔介质模型对凝汽器壳侧布管进行流动仿真,得出管束分析截面的速度场、压力场、不凝结气体浓度的... CFD技术的发展为凝汽器流场仿真优化提供了更为可行和便捷的方法。为设计更为合理高效的凝汽器布管方式,文章通过采用商业CFD软件和二维多孔介质模型对凝汽器壳侧布管进行流动仿真,得出管束分析截面的速度场、压力场、不凝结气体浓度的仿真结果,指导布管优化。结合凝汽器实际改造项目性能试验结果,验证了基于FLUENT二维多孔介质模型对凝汽器进行仿真优化是可行、可靠的。根据仿真结果指导进行的凝汽器改造的实际节能效果显著。 展开更多
关键词 凝汽器 布管优化 多孔介质模型 节能改造
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Configuration optimization model of multi-energy distributed generation system 被引量:2
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作者 徐青山 徐敏姣 +1 位作者 李国栋 蒋菱 《Journal of Southeast University(English Edition)》 EI CAS 2017年第2期182-188,共7页
To integrate different renewable energy resources effectively in a microgrid, a configuration optimization model of a multi-energy distributed generation(DG) system and its auxiliary equipment is proposed. The model... To integrate different renewable energy resources effectively in a microgrid, a configuration optimization model of a multi-energy distributed generation(DG) system and its auxiliary equipment is proposed. The model mainly consists of two parts, the determination of initial configuration schemes according to user preference and the selection of the optimal scheme. The comprehensive evaluation index(CEI), which is acquired through the analytic hierarchy process(AHP) weight calculation method, is adopted as the evaluation criterion to rank the initial schemes. The optimal scheme is obtained according to the ranking results. The proposed model takes the diversity of different equipment parameters and investment cost into consideration and can give relatively suitable and economical suggestions for system configuration.Additionally, unlike Homer Pro, the proposed model considers the complementation of different renewable energy resources, and thus the rationality of the multi-energy DG system is improved compared with the single evaluation criterion method which only considers the total cost. 展开更多
关键词 multi-energy complementation distributed generation(DG) optimal configuration energy management comprehensive evaluation index(CEI) analytic hierarchy process(AHP)
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