| 制冷剂/油在泡沫金属加热表面池沸腾换热特性 |
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| 引用本文： | 朱禹,胡海涛,丁国良,彭浩,黄翔超,庄大伟,俞钧.制冷剂/油在泡沫金属加热表面池沸腾换热特性[J].化工学报,2011,62(2):329-335. |
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| 作者姓名： | 朱禹 胡海涛 丁国良 彭浩 黄翔超 庄大伟 俞钧 |
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| 作者单位： | 上海交通大学制冷与低温工程研究所；长沙力元新材料责任有限公司 |
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| 基金项目： | 国家自然科学基金项目(50906048); 中国博士后科学基金项目(20090460618)~~ |
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| 摘 要： | 实验研究了制冷剂/润滑油混合物在泡沫金属加热表面核态池沸腾的换热特性，分析了润滑油浓度和泡沫金属结构对池沸腾换热特性的影响。实验使用3种结构参数的泡沫金属作为加热表面，其参数分别为10 ppi/90%孔隙率、10 ppi/95%孔隙率和30 ppi/98%孔隙率，厚度均为5 mm。实验使用的制冷剂为R113，润滑油为VG68，润滑油浓度为0～5%。实验结果表明：泡沫金属的存在极大提高了制冷剂/油混合物的池沸腾传热系数，最多提高1.6倍；润滑油的存在恶化制冷剂在泡沫金属加热表面池沸腾的换热特性，传热系数最多降低
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| 关 键 词： | 泡沫金属 池沸腾 制冷剂 润滑油 关联式 |
Nucleate pool boiling heat transfer characteristics of refrigerant/oil mixture on metal foam covers |
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| ZHU Yu,HU Haitao,DING Guoliang,PENG Hao,HUANG Xiangchao,ZHUANG Dawei,YU Jun.Nucleate pool boiling heat transfer characteristics of refrigerant/oil mixture on metal foam covers[J].Journal of Chemical Industry and Engineering(China),2011,62(2):329-335. |
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| Authors: | ZHU Yu HU Haitao DING Guoliang PENG Hao HUANG Xiangchao ZHUANG Dawei YU Jun |
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| Affiliation: | ZHU Yu1,HU Haitao1,DING Guoliang1,PENG Hao1,HUANG Xiangchao1,ZHUANG Dawei1,YU Jun2(1Institute of Refrigeration and Cryogenics Engineering,Shanghai Jiao Tong University,Shanghai 200240,China,2Changsha Liyuan Novel Material Co.,Ltd.,Changsha 410100,Hunan,China) |
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| Abstract: | The influence of concentration of lubrication oil and structure of metal foam on the nucleate pool boiling heat transfer characteristics of refrigerant/oil mixture on metal foam covers was investigated experimentally.Three copper foams,10 ppi/90% porosity,10 ppi/95% porosity and 30 ppi / 98% porosity with the thickness of 5 mm,were used in this study.The refrigerant is R113 and the oil is VG68 with concentrations from 0 to 5%.The experimental results indicate that the pool boiling heat transfer coefficient ... |
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| Keywords: | metal foam pool boiling refrigerant oil correlation |
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