Open Access

Table 4

The Objective Function (OF), Standard Deviation Error (SDE), resulting from the minimization of thermal rock conductivity λR and optimal air and water parameters.

OF SDE λR [Wm−1 K−1] Parameters
Asaad model (9) 0.41 0.3 6.74 c = 0.99992
Sugawara and Yoshizawa model (11) 2.52 0.77 8.71 n = 6.69
Zeb and Maqsood model (14) 125.17 1.32 6.63 z = 0.22
Zeb, Gurmani, Ali and Maqsood model (15) 25.2 0.75 16 m = 0.95
Veerendra and Chaudhary model without correction (16) 3.92 0.87 3.98 ψ = 1.8 × 10−6
Veerendra and Chaudhary model with positive correction (16) 3.34 0.79 3.81 ψ = 1.7 × 10−6
Veerendra and Chaudhary model with negative correction (16) 4.69 0.97 4.16 ψ = 1.9 × 10−6
Krupiczka model (17) 2.93 0.59 7.13 a1 = 0.0015
a2 = −0.45
B = −7.31 × 10−5
Fricke model (20) 0.46 0.3 7.26 M = 0.024

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.