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Heating and cooling with energy piles

– thermal use of the ground

An energy pile plant should preferably be used as alternating storage system (heating or cooling operation, depending on the season). Thus, an optimum specific extract performance [W/m] either for heat or coldness production can be reached. The temperature regime of the energy pile plant can be designed in a sustainably stabile way. A well-adjusted heat balance over many years minimizes the mutual thermal effect of neighbouring energy piles.

Seasonal storage cycle


Commissioning
Temperature of
the ground
Approx. 8-12°C
Summer
Cooling of the
building serves for
reducing the heat
Autumn
Heat storage
in the ground
Approx. 12- 20°C
Winter
Heating of
the building
Ground serves
as heating source
Spring
Coldness storage
in the ground,
Approx. 1-8°C
Saisonaler Speicherzyklus

For cooling operations, the selected active temperature levels should be as high as possible for cooling (> 16...18°C) - and as low as possible for the heating operations (< 35°C). Thus, a high energy efficiency of the geothermal pump can be reached. Optimum active temperature levels in buildings may advantageously be created by low-temperature heaters, activation of thermal mass, extensive fan-registers etc.


Energy headquarter
Energy headquarter

Energy pile plant Rostock
Energy pile plant Rostock

Energiepfahl
H.S.W. Ingenieurbüro
Gesellschaft für
Energie und Umwelt mbH

Gerhart-Hauptmann-Str. 19
18055 Rostock (Germany)

tel.: 0049 (0)3 81/ 3 70 15
fax: 0049 (0)3 81/ 3 12 24
mobil: 0151/ 12 74 55 02
email: hsw.ingbuero@t-online.de
web: www.hsw-rostock.de
www.energie-pfahl.de
www.response-test.de
www.erdwärmesimulation.de

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