A new kind of nanofluid prepared with functionalized nanoparticles

杨雪飞

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A new kind of nanofluid prepared with functionalized nanoparticles

更新时间：2025-12-10

- A new kind of nanofluid prepared with functionalized nanoparticles
- CIESC Journal Issue 11, (2010)
- 作者机构：
  
  上海交通大学机械与动力工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 November 2010，
  
  Published：05 November 2010
- 稿件说明：
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杨雪飞. A new kind of nanofluid prepared with functionalized nanoparticles[J]. CIESC Journal, 2010, (11).
DOI：

杨雪飞. A new kind of nanofluid prepared with functionalized nanoparticles[J]. CIESC Journal, 2010, (11). DOI：

摘要

采用表面改性的二氧化硅纳米颗粒制备了一种稳定性能优异的纳米流体，制备的纳米流体可以均匀稳定分布，长期静置没有沉淀，而且表面改性的纳米颗粒在高浓度时也不团聚，在水中具有很好的溶解能力。介绍了纳米颗粒表面改性的方法，并测试了改性纳米颗粒和所制备纳米流体的性能参数。与水相比，改性纳米流体的热导率仅略有增加，而黏度有大幅度增加。

Abstract

A new kind of nanofluid was prepared with water and functionalized nanoparticles. The nanofluid can keep a long-term stability and the functionalized nanoparticles will not aggregate even at a high mass concentration. The functionalized nanoparticles have a good solubility in the base fluid. The functionalization was achieved by grafting silanes directly to the surface of silica nanoparticles. The synthesis process was introduced. The thermophysical properties of the new nanofluid were measured. The thermal conductivity of the functionalized nanofluid increases slightly

while its viscosity increases greatly in comparison with the base fluid.

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