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uval<sup>gt</sup> Building

Fluid-dynamic behavior of double-skin facades

A team of Norwegian researchers has discovered a new approach for the thermophysical analysis of double-skin facades, in which greenteg sensors played a central role.


Solid masonry was used right up until the mid-1900s, with the most common form of this brick construction being the beautiful – but not very energy efficient – clinker cladding. Current standards require insulation of the cavities between the inner and outer shells to reduce energy loss through the building envelope.

Heat and air transfer in traditional solid masonry is a complex phenomenon influenced by many factors. Comprehensive U-value measurements and the complex understanding of thermal properties are usually rigid, time-consuming and expensive. The building envelope, in particular, can offer enormous potential for savings.

A team of researchers from the Norwegian University of Science and Technology (NTNU) and the Norwegian University of Life Sciences (NMBU), led by Aleksandar Jankovic, has developed an experimental approach for analyzing thermophysical processes in double-skin facades.

In this study, research was conducted on an experimental measurement procedure that, together with other data measured, allows for the conclusive performance evaluation of double-skin facades. greenteg sensor technology was used to measure the heat flux entering the cavities.


The gSKINgt is a sensor for measuring heat flux in building envelopes, building components and building fabric.

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