Fraunhofer Institute for Building Physics
Calculation of thermal parameters by computer-aided thermal analysis of building components
Hygrothermics
| Calculation | Thermal transmittance U, linear thermal transmittance ψ, point thermal transmittance χ, thermal resistance R, equivalent thermal conductivities, temperatures and temperature gradients, dew-point temperatures, heat flow and heat flow densities |
| Standards | DIN EN ISO 10211, DIN EN ISO 10077 |
| Calculation objects | Window profiles, frame profiles, glass edge bond, spacers of laminated insulation glazing units, shutter boxes, masonry units, masonry, roof and façade elements with thermal bridges, cavities, fixing elements etc. |
Technical data
| Calculation program | STATWL, PHYSIBEL |
| Data of specimens | Completely dimensioned drawings, e.g., CAD drawing in DXF format, material properties (thermal conductivity, transient also density ρ, specific heat capacity cp) |
Special features
| Variety of calculation | Transient and stationary temperature, two- and three-dimensional |
| Presentation | Parameters, graphic presentation of the results |
Recognitions
The test laboratory is recognized by the Deutsches Institut für Bautechnik (DIBt) as a testing facility under applicable building regulations LBO No. BWU10 and as a Notified Body No. 1004 to the terms of the Regulation of Construction Products (EU-BauPVO). It has been granted flexible accreditation under DIN EN ISO/IEC 17025 by the Deutsche Akkreditierungsstelle GmbH (DAkkS) under accreditation No. D‑PL‑11140‑11-04.