螺旋管内水包油乳液的传热性能实验

陈强; 刘方; 姜未汀; 张冬翔; 田海栋

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DOI:10.3969/j.issn.1006-4729.2019.04.014

上海电力大学学报:2019,35(4):379-385

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螺旋管内水包油乳液的传热性能实验

陈强, 刘方, 姜未汀, 张冬翔, 田海栋

(上海电力学院能源与机械工程学院)

Experimental Study on Heat Transfer Characteristics of Oil-in-Water Emulsions in Spiral Pipes

CHEN Qiang, LIU Fang, JIANG Weiting, ZHANG Dongxiang, TIAN Haidong

(School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

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投稿时间：2018-04-13

中文摘要: 采用超声波乳化的方法制备了导热油的水包油乳液。对不同质量分数的水包油乳液的稳定性进行了考察，并对其导热系数进行了测量；然后又进行了不同质量分数的导热油乳液在螺旋管内的强制对流换热实验，对水包油乳液的传热性能和压降特性进行了研究。结果表明，质量分数较低的导热油乳液导热系数和平均换热系数相比基液有所增加，在入口温度为30℃，雷诺数接近3 600时，0.1%和0.5%质量分数的导热油乳液的热力性能系数最大可达1.044。

中文关键词: 水包油乳液导热系数对流换热传热性能热力性能系数

Abstract:The oil-in-water emulsion of heat-conducting oil is prepared by ultrasonic emulsification.The stability of oil-in-water emulsions with different mass fractions is investigated,and the thermal conductivity is measured.Then,the emulsions with different mass fractions are tested.The forced convection heat transfer experiments in the spiral tube are carried out to study the heat transfer performance and pressure drop characteristics of the oil-in-water emulsion.The results show that the thermal conductivity and the average heat transfer coefficient of the emulsion with lower mass fraction are increased compared with the base fluid.The thermal performance coefficient of the emulsion with mass fraction of 0.1% and 0.5% at the inlet temperature of 30℃ and Renault close to 3 600 can be up to 1.044.

keywords: oil-in-water emulsion thermal conductivity convection heat transfer heat transfer performance thermal performance coefficient

文章编号：20194014 中图分类号：TK124;TK121;TK01.8 文献标志码：

基金项目:上海市自然科学基金（15ZR1417700）；上海高校特聘教授（东方学者）岗位计划资助项目（2013-66）；上海市教育发展基金会和上海市教育委员会"曙光计划"资助项目（14SG50）。

作者	单位	E-mail
陈强	上海电力学院能源与机械工程学院
刘方	上海电力学院能源与机械工程学院	fangliu@shiep.edu.cn
姜未汀	上海电力学院能源与机械工程学院
张冬翔	上海电力学院能源与机械工程学院
田海栋	上海电力学院能源与机械工程学院

引用文本：
陈强,刘方,姜未汀,等.螺旋管内水包油乳液的传热性能实验[J].上海电力大学学报,2019,35(4):379-385.
CHEN Qiang,LIU Fang,JIANG Weiting,et al.Experimental Study on Heat Transfer Characteristics of Oil-in-Water Emulsions in Spiral Pipes[J].Journal of Shanghai University of Electric Power,2019,35(4):379-385.

Author Name	Affiliation	E-mail
CHEN Qiang	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
LIU Fang	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China	fangliu@shiep.edu.cn
JIANG Weiting	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
ZHANG Dongxiang	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China
TIAN Haidong	School of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China