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基于蓄冷式空调系统的分析

Exergetic analysis of a chill storage-based air conditioning system

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【作者】 张立伟吕志勤杨宏涛

【Author】 ZHANG Li-wei~1, LU Zhi-qin~2, YANG Hong-tao~3(1. Dept. of Electromechanical Science and Engineering, Zhengzhou Institute of Light Industry, Zhengzhou 450011, China, 2.School of Materials Engineering, Zhengzhou University, Zhengzhou 450052, China; 3. Henan Province Industry College, Zhengzhou 450011, China)

【机构】 郑州轻工业学院机电科学与工程系郑州大学材料工程学院河南省工业学校 河南郑州450011河南郑州450052河南郑州450011

【摘要】 建立了蓄冷式中央空调系统分析模型,计算了蓄冷式空调系统和常规空调系统的火用效率,分析了蓄冷式空调系统的薄弱环节和改进方法.蓄冷式空调系统的薄弱环节在于熔冰过程的损失过大,降低熔冰过程的供回水温度和优化换热器的设计可以提高其效率.中央空调系统采用蓄冷方式运行,不仅具有良好的经济效益,而且也具有较高的火用效率.

【Abstract】 A model of the exergetic analysis of a chill storage-based central air conditioning system is established. In order to compare the above system with a normal one, the exergetic efficiencies of both systems are calculated. The weakness of this system lies in the significant exergetic loss during the ice-melting process. We find that lowering the temperature of supply and return water during the ice-melting process and optimizing the design of heat exchanger can improve the exergetic efficiency. A central air conditioning system run by chill storage features has both economic benefit and high exergetic efficiency.

【关键词】 中央空调蓄冷效率
【Key words】 central air conditioningchill storageexergetic effciency
  • 【文献出处】 哈尔滨工业大学学报 ,Journal of Harbin Institute of Technology , 编辑部邮箱 ,2004年09期
  • 【分类号】TU831
  • 【被引频次】6
  • 【下载频次】146
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