Abstract
Among nanotechnology-based thermal insulation materials thermodynamic performance of nano-ceramic coatings generates intensive discussions. Complete agreement has not been found yet about the mecha...
Highlights
The appearance of nanotechnology-based materials on the market of building materials opened several possibilities in the 1990s and made it possible to use them in architecture and civil engineering
Previous studies finding after new measurements conducted in 2016-2017 supported the former assumption that in case of nano-ceramic coatings convective heat transfer coefficient might be taken into account in a different way
Former laboratory tests showed that nano-ceramic thermal insulation coatings probably do not have an extremely low thermal conductivity that was described by the available documents of producers and distributors
Summary
The appearance of nanotechnology-based materials on the market of building materials opened several possibilities in the 1990s and made it possible to use them in architecture and civil engineering. Nano-silica additives can increase durability and compressive strength of cement-based materials [1] They can be used to increase fluidity or water permeability of concrete structures [2], [3]. Nanotechnology-based thermal insulation materials are generally considered to have better thermal insulation quality than traditional materials. In their nanostructure one or more ways of heat transport is hampered, they can decrease the heat transfer coefficient of building structures. Thanks to their beneficial properties these high-performance thermal insulation materials can provide adequate thermal insulating effect with a relatively low structural thickness
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