Enhancement of specific heat capacity of high-temperature silica-nanofluids synthesized in alkali chloride salt eutectics for solar thermal-energy storage applications

被引：425

作者：

Shin, Donghyun ^{[1
]}

Banerjee, Debjyoti ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2011年 / 54卷 / 5-6期

关键词：

Nanoparticle; Specific heat capacity; Alkali chloride eutectic; Silicon dioxide; Electron microscopy; CONDUCTIVITY ENHANCEMENT; BROWNIAN-MOTION; INTERFACE; MODEL; FLOW;

D O I：

10.1016/j.ijheatmasstransfer.2010.11.017

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this study, we report the anomalous enhancement of specific heat capacity of high-temperature nano-fluids. Alkali metal chloride salt eutectics were doped with silica nanoparticles at 1% mass concentration. The specific heat capacity of the nanofluid was enhanced by 14.5%. Dispersion behavior of the nanoparticles in the eutectic was confirmed by scanning electron microscopy (SEM). Three independent competing transport mechanisms are enumerated to explain this anomalous behavior. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：1064 / 1070

页数：7