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润滑油对带膨胀机CO_2跨临界循环的影响 被引量：3

THE EFFECT OF LUBRICANT ON SYSTEM OF CARBON DIOXIDE TRANSCRITICAL CYCLE WITH EXPANDER
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摘要 本文对PAG、POE、PAO和AB四种润滑油特性进行了分析,结果表明PAG具有较好的综合性能。又从PAG/CO_2混合物的溶解性和粘温特性证明了PAG比较适合CO_2跨临界循环。最后对工质CO_2夹带的微量PAG对压缩机、膨胀机、气体冷却器和蒸发器的性能影响分别进行了分析,并提出了超临界换热分析模型。结果表明润滑油虽然有助于改善压缩机、膨胀机性能,但造成了换热器性能的严重下降。 The characteristic of synthetic lubricant PAG, POE, PAO and AB had been analyzed, and was verified that PAG with better over-all properties. Both solubility and viscosity-temperature properties of PAG/CO2 mixtures also showed that PAG suited system of carbon dioxide transcritical cycle. The effects of little of lubricant in CO2 on the performance of compressor, expander gas-cooler and evaporator were analyzed, and the model of supercritical heat transfer was also proposed. It found that PAG is favorable to improve performances of compressor and expander, but reduce heavily performance of heat exchanger.
作者 孙方田 马一太 李敏霞 汪耀东
机构地区 天津大学热能研究所
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2007年第3期369-372,共4页 Journal of Engineering Thermophysics
基金 国家自然科学基金(No.50506019) 天津市自然科学基金项目资助(No.06YFJMJC05400)
关键词 润滑油 CO2跨临界循环 PAG/CO2 refrigeration lubricant carbon dioxide transcritical cycle PAG/CO2 mixture
分类号 TU83 [建筑科学—供热、供燃气、通风及空调工程]
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参考文献9

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同被引文献17

  • 1丁涛,梁立军,李震.以二氧化碳为工质的朗肯循环特性分析[J].工程热物理学报,2015,36(2):410-413. 被引量：6
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  • 3JUNG D S, MCLINDEN M, RADERMACHER R, et al. A Study of flow boiling heat transfer with refrigerant mix- tures[J]. Int. J. Heat Mass Transfer, 1989,32(9): 1751 - 1764.
  • 4LIU Z, WINTERTON R H S. A general correlation for saturated and subcooled flow boiling in tubes and annuli based on a nucleate pool boiling equation [ J ]. Int. J. Heat and Mass Transfer,1991,34 (11) :2759 -2766.
  • 5YOON S H, CHO E S, HWANG Y W,et al. Characteris- tics of evaporative heat transfer and pressure drop of car- bon dioxide and correlation development [ J ]. Int. J. Refrig. ,2004,27 (2) : 111 - 119.
  • 6KWANG - I1 C,PAMITRN A S, OH J. Two-phase flow heat transfer of CO2 vaporization in smooth horizontal minichannels [ J ]. Int. J. Refrig., 2007,30 ( 5 ) : 767 - 777.
  • 7ZHAO X, BANSAL P K. Flow boiling heat transfer char- acteristics of CO2 at low temperatures [ J]. Int. J. Re- frig. ,2007,30(6) : 937 -945.
  • 8YUN R, MIN Y,KIM M S. Flow boiling heat transfer of carbon dioxide in horizontal mini-tubes [J]. Int. J. Heat Mass Transfer, 2005,26 ( 5 ) : 801 - 809.
  • 9CHENG L, RIBATSKI G,THOME J R. Analysis of su- percritical CO2 cooling in macro- and micro-channels [J]. Int. J. Refrigeration,2008,31(8) :1301 - 1316.
  • 10ZHAO X, BANSAL P K. An overview of heat transfer characteristics of carbon dioxide ( CO2 ) refrigerant [ C ]// IIR-IRHACE International Conference on Inno- vative Equipment and Systems for Comfort and Food Preservation. Auckland : [ s. n. ] ,2006:297 - 304.

引证文献3

二级引证文献13

工程热物理学报
2007年 第3期

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