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Fig. 10 | Geothermal Energy

Fig. 10

From: Coda wave interferometry during the heating of deep geothermal reservoir rocks

Fig. 10

Comparison of simulated and laboratory CWI measurements. We represent the CWI measurements obtained in the laboratory (orange line) during the second heating cycle of Westerly Granite and in the simulation (blue line) with temperature measured at the middle of the sample. Relative time delays are measured by the “stretching technique” when comparing the waveform recorded at a given temperature with respect to the “reference” waveform. A linear regression is fitted to the measurements to estimate the slopes s1 and s2 (blue line and red line for simulated and laboratory results, respectively)

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