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2013, v.41;No.496(10) 14-18+24

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压缩空气储能系统的工作特性研究
Research on Operating Characteristics of Compressed Air Energy Storage System

杨启超;刘广彬;赵远扬;李连生;
YANG Qi-chao;LIU Guang-bin;ZHAO Yuang-yang;LI Lian-sheng;State Key Laboratory of Compressor Technology,Hefei General Machinery Institute;

摘要(Abstract):

基于典型压缩空气储能系统工作原理,运用热力学理论建立了压缩过程、储气系统和膨胀发电过程的理论分析模型。采用储能效率和储能密度作为评价指标,揭示了压缩空气储能系统在等温、绝热和多级多变工作过程下的工作特性,分析比较了恒压和恒容储气方式对有效能、储气罐容积等系统性能的影响规律。结果表明增大储气压力以及采用多级压缩和多级膨胀过程可提高储能系统的效率和储能密度。采用恒压式储气罐可减小储气容积。分析模型和研究结果可为设计高效的压缩空气储能系统循环形式提供基础。
Based on the basic working principle of compressed air energy storage,the theoretical model on the compression process,storage and expansion process was established using thermodynamics theory.Using energy storage efficiency and energy storage density as evaluate index,the operating characteristics of compressed air energy storage system under the isothermal,adiabatic and multi-stage polytropic working conditions were investigated and the effect of constant volume and constant pressure storage methods on the performance were analyzed.The results showed that increasing the storage pressure and utilizing the multistage compression or expansion could improve the efficiency and energy storage density of system.The storage volume was decreased under the constant pressure storage mode.The proposed analysis model will provide the foundation to design the high efficient cycle.

关键词(KeyWords): 压缩空气储能;理论循环;工作特性;储能效率;储能密度
compressed air energy storage;theoretical cycle;operating characteristics;efficiency;storage density

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基金项目(Foundation): 国家重点基础研究发展计划项目(973计划)(2012CB724307);; 安徽省自然科学基金项目(1208085ME68)

作者(Author): 杨启超;刘广彬;赵远扬;李连生;
YANG Qi-chao;LIU Guang-bin;ZHAO Yuang-yang;LI Lian-sheng;State Key Laboratory of Compressor Technology,Hefei General Machinery Institute;

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