Some practical aspects on the infra-red thermography of buildings
Technical Report
·
OSTI ID:5158913
Infra-red thermography has been used to obtain scans of internal and external surface temperatures of houses. In general, the interpretation of the pictures in color is straightforward, but there are limitations which have to be understood. When used outside a building, direct and residual effects of the sun on external surfaces can be significant. Reflection occurs at high angles of incidence, so that for example, when viewing a pitched roof from the ground sunlight may be reflected from the roof into the infra-red camera. Also heat from the sun may be stored in walls for many hours. Inside a building cold spots may be due to the high heat loss from thermal bridges to the outside or to low local heat loss arising from cold air infiltration.
- Research Organization:
- Electricity Council Research Centre, Capenhurst (UK)
- OSTI ID:
- 5158913
- Report Number(s):
- PB-82-174517; ECRC/M-1483
- Country of Publication:
- United States
- Language:
- English
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