| CO_2跨临界循环双级滚动转子压缩机的设计与分析 |
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| 引用本文： | 田华,马一太,李敏霞,王伟.CO_2跨临界循环双级滚动转子压缩机的设计与分析[J].天津大学学报(自然科学与工程技术版),2010,43(2). |
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| 作者姓名： | 田华 马一太 李敏霞 王伟 |
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| 作者单位： | 天津大学机械工程学院,天津,300072 |
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| 基金项目： | 国家自然科学基金资助项目，国家高技术研究发展计划(863计划)资助项目 |
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| 摘 要： | 环境问题的突出引起人们对CO2作为制冷剂的更多关注.CO2跨临界循环需利用双级压缩技术提高循环效率,因此对核心部件双级滚动转子压缩机进行自主开发设计,分析了双级压缩机工作腔内的吸气、压缩、排气过程和结构特点;设计了一定工况下的CO2跨临界循环双级滚动转子压缩机;根据设计的结构参数进行了运动和受力分析,并以此为指导,在摩擦严重的部位进行结构特殊化处理,如在滑板端部增加密封柱,以减小摩擦和泄漏,提高压缩机效率.
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| 关 键 词： | CO_2跨临界循环 双级滚动转子压缩机 受力分析 效率 |
Design and Analysis of Two-Stage Rolling Piston Compressor in CO_2 Trans-Critical Cycle |
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| TIAN Hua,MA Yi-tai,LI Min-xia,WANG Wei.Design and Analysis of Two-Stage Rolling Piston Compressor in CO_2 Trans-Critical Cycle[J].Journal of Tianjin University(Science and Technology),2010,43(2). |
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| Authors: | TIAN Hua MA Yi-tai LI Min-xia WANG Wei |
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| Institution: | TIAN Hua,MA Yi-tai,LI Min-xia,WANG Wei(School of Mechanical Engineering,Tianjin University,Tianjin 300072,China) |
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| Abstract: | As environmental issue becomes more and more serious,CO2 as a refrigerant has attracted much attention.Because the efficiency of CO2 trans-critical cycle can be increased with two-stage compression technology,two-stage rolling piston compressor as the core part has been designed,and the inspiration,compression and exhaust in work chamber and structure characteristics of the compressor have been analyzed.A two-stage rolling piston compressor in CO2 trans-critical cycle has been designed under a certain opera... |
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| Keywords: | CO_2 trans-critical cycle two-stage rolling piston compressor stress analysis efficiency |
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