VDI 4640 Blatt 5:2020-07
Current
Current
The latest, up-to-date edition.
Thermal use of the underground - Thermal response test (TRT)
Available format(s)
Hardcopy , PDF
Language(s)
German - English
Published date
07-01-2020
Publisher
This standard describes a measuring method for de-termining thermal properties of the underground and the heat transfer characteristics of the heat ex-changer installed in the underground in the specific case of borehole heat exchanger.
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