Fraunhofer Indoor Air Test Center (IATC)

IATC school classroom
© Fraunhofer IBP
School classroom scenario with aerosol source in the Indoor Air Test Center (IATC).

Multifunctional test facility for studying indoor climatic conditions and air quality

The Fraunhofer IBP Indoor Air Test Center (IATC) in Holzkirchen is used to carry out tests on indoor climatic conditions and air quality. The chemically inert wall surfaces of the test chamber can be thermally activated to create a range of typical indoor wall temperatures. Heating dummies are used to simulate occupancy in different room situations, e.g. in school classrooms or offices. For air quality studies, an aerosol generator emits controlled doses of particles, viruses and bacteria that are harmless to humans. Other airborne pollutants and odors can also be used. Typical tests at the IATC include evaluating the energy consumption of various air-conditioning measures, determining the efficiency of air purification systems for indoor use, or detecting airborne pollutants with the aid of sensors.

Climatic tests in and on vehicles

The IATC test chamber is also designed for studying vehicles, so it is large enough to hold such test objects. The chamber also features an artificial sun, which can be used to simulate solar radiation. In such cases, the test environment is used as a climate chamber to evaluate new vehicle air-conditioning solutions in studies either with real test persons or with the DressMAN comfort measurement system. Studies can also be conducted to assess the effect of radiation on emissions from materials in the vehicle cabin.

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