Fig. 3From: The effect of spatial aperture variations on the thermal performance of discretely fractured geothermal reservoirsDeviation of the mean dimensionless production temperature from the base case value \(\Theta _{p,0}-\bar{\Theta }_p\) as a function of the dimensionless standard deviation of the aperture \(\sigma _h/\left\langle w \right\rangle\). The Hurst coefficient \(\zeta\) is equal to 0.8, the wellbore spacing L/(2R) is equal to 0.4, and the base case production temperature \(\Theta _{p,0}\) is equal to 0.8 (reference value of no aperture variations). A quadratic fit is also shownBack to article page