Thermal insulation performance of aerogel nano-porous materials: characterization and test methods

F Lou, S Dong, K Zhu, X Chen, Y Ma - Gels, 2023 - mdpi.com
Due to the extremely high porosity and extremely low density of nano-porous thermal
insulation materials, the characteristic size of the pores inside the materials and the …

Thermal conductivity analysis of high porosity structures with open and closed pores

H Liu, X Zhao - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Develo** a robust, cost-effective, super-thermal insulation material with an ultralow
thermal conductivity, ie, below that of stationary air (0.026 W/(mK), 300 K, 1.0 atm), is …

Investigation of high temperature thermal insulation performance of fiber-reinforced silica aerogel composites

H Liu, Y Tian, X Wu, Z Li - International Journal of Thermal Sciences, 2023 - Elsevier
Silica aerogel has been recognized as a promising material for thermal insulation
applications in buildings, cryoengineering, and aerospace due to its ultralow thermal …

[HTML][HTML] Thermal stability investigations of different aerogel insulation materials at elevated temperature

Z Kovács, A Csík, Á Lakatos - Thermal Science and Engineering Progress, 2023 - Elsevier
Super thermal insulation materials with low thermal conductivities, such as aerogels and
vacuum insulation panels, are increasingly pushing conventional thermal insulations out of …

Thermal conductivity modeling of hollow fiber-based porous structures for thermal insulation applications

H Liu, Y Tian, J Jiao, X Wu, Z Li - Journal of Non-Crystalline Solids, 2022 - Elsevier
Hollow fiber-based porous structures (HFPSs) demonstrate promising potentials in thermal
insulations. However, the thermal transport in HFPSs was not explored yet. Herein, we …

Geometric optimization of aerogel composites for high temperature thermal insulation applications

H Liu, M Hu, J Jiao, Z Li - Journal of Non-Crystalline Solids, 2020 - Elsevier
Silica aerogel has attracted great interest in thermal insulation applications due to its
ultralow thermal conductivity. However, silica aerogel is transparent to the infrared radiation …

A multi-level fractal model for the effective thermal conductivity of silica aerogel

ZY Li, H Liu, XP Zhao, WQ Tao - Journal of Non-Crystalline Solids, 2015 - Elsevier
In the present paper, the fractal analysis on silica aerogel is performed based on the
statistical self-similarity of porous media. A fractal model for the effective thermal conductivity …

Numerical modeling of the gas-contributed thermal conductivity of aerogels

CY Zhu, ZY Li, HQ Pang, N Pan - International Journal of Heat and Mass …, 2019 - Elsevier
Due to the complex microstructure in aerogels and the intricate heat transfer mechanism of
solid-gas coupling heat conduction, modeling of the gas-contributed thermal conductivity of …

Hierarchical PBO nanofiber/PPS melt-blown mats with a controllable porous microstructure for thermal protection under harsh conditions

Q Du, X Yang, Y Li, X Yin, X Xu, Y Di… - ACS Applied Polymer …, 2023 - ACS Publications
Thermal insulation is critical in protecting against excessive heat exposure to minimize burn
injuries. However, the current thermal insulation fabrics are still limited because of their …

Thermal conduction model of asymmetric structural aramid nanofiber aerogel membranes based on fractal theory

B **e, YH Hu, LT Liu, XK Zhang, LK Zhang… - International Journal of …, 2023 - Elsevier
Asymmetric structural aramid nanofiber aerogel membranes (ASAAMs) have been
considered ideal thermal insulators due to their unique characteristics, such as dense …