Thermal transport in nano-porous insulation of aerogel: Factors, models and outlook

被引：175
作者：
Tang, G. H. [1 ]
Bi, C. [1 ]
Zhao, Y. [1 ]
Tao, W. Q. [1 ]
机构：
[1] Xi An Jiao Tong Univ, MOE Key Lab Thermofluid Sci & Engn, Sch Energy & Power Engn, Xian 710049, Peoples R China
来源：
ENERGY | 2015年 / 90卷
基金：
中国国家自然科学基金;
关键词：
Nano-porous insulation; Gas phase; Solid phase; Radiation; Thermal conductivity; RADIATIVE HEAT-TRANSFER; PORE-SIZE DISTRIBUTION; FRACTAL UNITS MODEL; SILICA AEROGELS; ELECTROMAGNETIC SCATTERING; MONTE-CARLO; CONDUCTIVITY; GAS; PREDICTION; AGGREGATE;
D O I：
10.1016/j.energy.2015.07.109
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermal transport in nano-porous insulation material of aerogel has recently attracted increasing attention due to its extreme low thermal conductivity and the broad applications from energy conservation to safety protection. This work presents a comprehensive overview for thermal transport in nano-porous insulation materials. Factors on thermal insulation from both physical fundamentals and engineering applications are identified, and various prediction approaches including theoretical models and numerical methods for the energy carriers and overall thermal conductivity are discussed as well. In addition, directions for the future studies are looked into and several issues in thermal transport in nano-porous insulation are highlighted. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：701 / 721
页数：21
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