Pipe materials for borehole heat exchangers
- Key words
- pipe materials, borehole heat exchangers, external pipe, coaxial borehole heat exchanger
- Conference
- European Geothermal Congress
- Year
- 2016
- Session
- Technology and Best practice – Heat Pumps
- Language
- English
- Paper number
- T-HP-116
Full text
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Abstract
This paper investigates and evaluates alternative options of higher thermal conductivity as borehole heat exchanger (BHE) piping materials, such as mild steel, galvanized steel, various coating options, stainless steel, copper and its alloys, aluminum, titanium, as well as reinforced polymers and other plastic materials including thermally enhanced polyethylene.
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