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The use of active thermography to detect material inclusions in the walls

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Nowak H., Nowak Ł.

Czasopismo Techniczne

One of the non-destructive testing methods of building envelope of unknown structure is active thermography in reflective mode. This method was used to test a model of the concrete wall with the material inclusions with significantly different thermal properties. The study performed in climatic chambers consisted of heating the model wall with a 7.2 kW heat pulse, and then recording the thermograms during wall cooling, at regular intervals, using a thermal imaging camera. Based on the recorded temperature distribution on the thermograms the thermal properties and location of subsurface defects were concluded.

Application of the active ir thermography for the detecion of non-uniformity of materials in building partitions

100%

Nowak H., Noszczyk P.

Czasopismo Techniczne

The paper describes the problem of building envelope investigation with active thermography. Mainly emphasized is its application to detect different material of wall inclusions. Examples of active thermography application and description of experimental investigation has been shown on a model envelope, with inclusion of significantly different thermal conductivity and heat capacity materials; XPS polystyrene, steel and granite. Thermograms received for every kind of inclusion have been compared and analyzed. Finally, the summary and conclusion have been shown along with the prospects of development and practical application of this kind of investigation in construction.

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2 Czasopismo Techniczne

1 2016

1 2015

2 Nowak H.

1 Noszczyk P.

1 Nowak Ł.

Search results

The use of active thermography to detect material inclusions in the walls

Application of the active ir thermography for the detecion of non-uniformity of materials in building partitions