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Fig. 5 | Geothermal Energy

Fig. 5

From: The effect of spatial aperture variations on the thermal performance of discretely fractured geothermal reservoirs

Fig. 5

The fraction of fractures exhibiting thermal performance enhancement F as a function of dimensionless standard deviation of the aperture \(\sigma _h/\left\langle w \right\rangle\). The Hurst coefficient \(\zeta\) is equal to 0.8 and the wellbore spacing L/(2R) is equal to 0.4. A best fit line (dashed red) was added as well as the theoretical prediction (solid black) using a Gaussian distribution and the fitted parameters for the relationship of \(\sigma _{\Theta }\) and \(\bar{\Theta }_p\)

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