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Subproject 3.2

Determination of the hydraulic permeability of system samples

Lead Management
ZAE Bayern / Fraunhofer ISE
Subproject Leader
B.Sc. Micha Pinnekamp (
Participating Partners
ZAE Bayern
Fraunhofer ISE

The important and controversially discussed problem of system permeability of borehole heat exchangers urgently needs to be better understood. Within the framework of this subproject, the basis for validated and standardised measurements of the system permeability is laid, which in future will be carried out in testing laboratories or by certification bodies. In addition, the results are a significant contribution to the further development and revision of the german VDI 4640 guideline.
Project Partners
Funding Authority