Types of Ground Heat Exchangers

Different GHE configurations are classified in Figure ‎below:

GeoFlow Types of GHEs

Closed loop GHEs comprise pipes placed in the ground or water through which a fluid circulates and the heat exchange occurs by conduction through the walls of the pipes. Therefore, the fluid remains sealed in the pipes and does not come into contact with the energy storage medium. There are several advantages to this system. One of the main advantages is that there is no problem of contamination either from the loop water entering the ground, or perhaps more critically, from the ground water contaminating the workings of the pumps.

 
 

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