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ČSN EN ISO 17628 (721013)
Geotechnical investigation and testing - Geothermal testing - Determination of thermal conductivity of soil and rock using a borehole heat exchanger
Automatically translated name:
Geotechnical investigation and testing - Geothermal test methods - Determination of thermal conductivity of soil and rock geothermal borehole heat exchangers ( standard for direct use as CSN ).
STANDARD published on 1.10.2015
The information about the standard:
Designation standards: ČSN EN ISO 17628
Classification mark: 721013
Catalog number: 98449
Publication date standards: 1.10.2015
SKU: NS-616171
The number of pages: 40
Approximate weight : 120 g (0.26 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Heat pumpsEarthworks. Excavations. Foundation construction. Underground works
Annotation of standard text ČSN EN ISO 17628 (721013):
This International Standard specifies requirements for the Geothermal Response Test (GRT). This test comprises the in situ determination of the thermal conductivity in saturated and unsaturated soil and rock in a heat exchanger installed in a borehole. For this test, liquid heat transfer media not subjected to phase changes are used. The thermal conductivity is an important parameter used in the design of thermal storage and thermal exchange systems. A Geothermal Response Test measures the temperature response to a thermal energy forcing of a borehole heat exchanger (BHE) or the extraction of thermal energy from a borehole. The temperature response is related to the thermal parameters of the ground and borehole filling material, such as thermal conductivity and borehole resistivity, and is therefore used to obtain estimated or derived values of these parameters. This International Standard applies to heat exchangers installed in vertical or inclined boreholes with length up to e.g. 400 m and with a diameter of up to 200 mm
Preview of the standard ČSN EN ISO 17628 (721013)
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