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相变乳状液层流流变特性实验研究 被引量:6

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摘要 相变微乳浆是一种新颖的传热介质,在相变材料相变区内具有表观比热大、换热能力强 的优点.文中建立了测量自研低温O/W(石蜡/水)相变乳状液流动性能实验台,对相变材料石蜡 (十四烷)30%质量分数的相变乳状液层流流变特性、流动稳定性进行了系统研究.结果表明:研 制的相变乳状液稳定性较好,从层流流变特性分析得到该流体可看成Newtonian流体,摩擦阻力 系数符合64/Re关系,粘度不大,约是水的5.57倍,优于国内外文献中报道同类材料的粘度.该 类材料在换热器、暖通空调等领域具有很好的应用前景.
出处 《自然科学进展》 北大核心 2005年第4期453-458,共6页
基金 国家自然科学基金(批准号:50076020 50436020)国家重点基础研究发展规划(批准号:G2000026309)教育部优秀青年教师资助计划(教人司[2001]39号)北京市科技计划项目(批准号:H021820040620)资助项目
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参考文献15

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二级参考文献6

  • 1[1]Charunyakorn P, Sengupta S, Roy S K. Forced Convection Heat Transfer in Microencapsulated Phase Change Material Slurries: Flow in Circular Ducts. Int. J. Heat Mass Transfer, 1991, 34(3): 819-833
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  • 6赵镇南,吴挺,李丽新,冯树立,齐锡龄.乳液相变储冷材料的基本特性与应用前景[J].能源工程,2000,20(4):28-29. 被引量:12

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