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Geothermal Energy

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Fig. 8 | Geothermal Energy

Fig. 8

From: Temperature sensor module for groundwater flow detection around borehole heat exchangers

Fig. 8

Experimental set-up for testing the TSM prototype under flow conditions. a–c are the devices used to simulate the BHE operation: the thermostat, its controlling unit and a small backup water reservoir, respectively. The sandbox (d) contains the BHE model with the TSM prototype attached to it. Water flow through the sandbox is driven by the hydraulic gradient between the two water tanks (e) and (f)

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