Experimental investigation into the thermos-physical properties by dispersing nanoparticles to the nitrates

被引：19

作者：

Xiong, Yaxuan ^{[1
]}

Wang, Zhenyu ^{[1
]}

Xu, Peng ^{[1
]}

Chen Hongbing ^{[1
]}

Wu, Yuting ^{[2
]}

机构：

[1] Beijing Univ Civil Engn & Architecture, Beijing Key Lab Heating Gas Supply Ventilating &, Beijing 100044, Peoples R China

[2] Beijing Univ Technol, Key Lab Heat Transfer Enhancement & Proc Energy C, Beijing 100124, Peoples R China

来源：

INNOVATIVE SOLUTIONS FOR ENERGY TRANSITIONS | 2019年 / 158卷

基金：

北京市自然科学基金;

关键词：

Nanoparticles; molten salt; melting temperature; heat of fusion; specific heat; decomposition temperature; PHASE-CHANGE MATERIALS; MOLTEN-SALT NANOFLUIDS; ENERGY-STORAGE; HEAT-CAPACITY; STABILITY;

D O I：

10.1016/j.egypro.2019.01.588

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In order to improve the thermal properties of molten salts, 20 nm silica particles were dispersed into nitrates by ultrasonic stirring method to study the effects of different mass concentrations of nanoparticles on the thermal properties of nitrates. The specific heat, latent heat, and decomposition temperature of the molten salts are measured by a synchronous thermal analyzer. The results show that the thermal properties of molten salt varied with the concentration of silica. Compared with the base salts, the heat of fusion improvements of the solar salt, potassium nitrate and sodium nitrate with 20 nm SiO2 nanoparticles were found to be similar to 3.84%, similar to 9.16% and similar to 3.31%; and the specific heat increased by similar to 15.89%, similar to 33.52% and similar to 11.86 % in liquid, respectively. (C) 2019 The Authors. Published by Elsevier Ltd.

引用

页码：5551 / 5556

页数：6

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