储能空气透平设计和混合工质物性研究

Design of Energy Storage Air Turbine and Study on Physical Properties of Mixed Substance

储能空气透平逐渐成为目前电力储能技术的研发热点,空气透平是整个储能空气系统的关键部件之一,其性能直接影响储能系统效率。通过自编程序对国内首台多级轴流透平进行设计研究,完成多级轴流透平设计,并对储能空气这种混合工质进行物性研究,开发混合工质生成程序,应用于真实流场分析。三维数值分析的结果表明,空气的物性参数和设计方案合理,可为后续储能空气透平的设计提供有益参考。

Energy storage air turbine has gradually become a research hot spot of electric energy storage technology,and the air turbine is one of key parts in the whole energy storage system,whose performance directly affects the efficiency of energy storage system.The first multistage axial turbine in China is designed and studied adopting self-developed program.In addition,the physical properties of energy storage air are studied,and the generation program of the mixture is developed to analyze the real flow field.The 3 D numerical analysis results show that the physical parameters of the air and the design scheme are reasonable,which can provide a useful reference for the subsequent design of the energy storage air turbine.