Abstract
The coupling heat conduction between the aerogel solid and gas phases is of important contribution to the total effective thermal conductivity of aerogel. Based on the assumption of spherical particles in the aerogel backbone, a theoretical model is proposed to calculate the coupling thermal conductivity in aerogel. The present coupling model is verified by available data including experimental data, numerical simulations and theoretical predictions in the literature. The comparison among the coupling models shows that the present model is of high accuracy without complex and difficult calculations.
| Original language | English |
|---|---|
| Pages (from-to) | 1315-1320 |
| Number of pages | 6 |
| Journal | Kung Cheng Je Wu Li Hsueh Pao/Journal of Engineering Thermophysics |
| Volume | 36 |
| Issue number | 6 |
| State | Published - 1 Jun 2015 |
Keywords
- Aerogel
- Coupling heat transfer
- Experiment
- Nanoporous thermal insulation
- Thermal conductivity
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