4.7 Article

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

Journal

ENERGY
Volume 90, Issue -, Pages 701-721

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2015.07.109

Keywords

Nano-porous insulation; Gas phase; Solid phase; Radiation; Thermal conductivity

Funding

  1. National Natural Science Foundation of China [51222604]
  2. Specialized Research Fund for the Doctoral Program of Higher Education [20130201110042]

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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.

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