Table 1 Resistivity characteristic parameters of rock.
From: Theoretical and experimental study of thermo electrical coupling mechanisms in coal bearing rocks
Rock type | Tβ,1(°C) | Resistivity(\(\Omega\) · m) | Tβ,2(°C) | Resistivity(\(\Omega\) · m) | Tβ,3(°C) | Resistivity(\(\Omega\) · m) | Tβ,4/(°C) | Resistivity(\(\Omega\) · m) |
|---|---|---|---|---|---|---|---|---|
R1 | Normal temperatures | 3.29 × 108 | 72.8 | 7.91 × 108 | 320 | 1.33 × 107 | 700 | 5.19 × 104 |
R2 | Normal temperatures | 5.25 × 106 | 138.8 | 2.56 × 108 | 320.7 | 9.26 × 106 | 700 | 8.64 × 104 |
R3 | Normal temperatures | 4.48 × 106 | 106.8 | 1.45 × 108 | 290 | 2.44 × 106 | 700 | 4.10 × 104 |
R4 | Normal temperatures | 1.18 × 106 | 93.9 | 8.53 × 107 | 310 | 1.04 × 106 | 700 | 1.20 × 103 |
R5 | Normal temperatures | 1.58 × 106 | 105.0 | 1.30 × 107 | 340 | 1.57 × 105 | 700 | 8.18 × 103 |
R6 | Normal temperatures | 6.95 × 105 | 90.6 | 2.66 × 107 | 272 | 3.22 × 105 | 700 | 3.62 × 103 |
R7 | Normal temperatures | 6.01 × 105 | 185.1 | 8.57 × 107 | 360.5 | 5.62 × 105 | 700 | 1.4 × 104 |
R8 | Normal temperatures | 4.69 × 104 | 303.7 | 4.95 × 106 | 483.6 | 3.98 × 104 | 700 | 11.78 |
R9 | Normal temperatures | 2.21 × 108 | 66.0 | 4.01 × 108 | 250 | 6.65 × 106 | 700 | 702.4 |
R10 | Normal temperatures | 2.04 × 107 | 173.0 | 9.95 × 107 | 360 | 5.54 × 106 | 700 | 2.90 × 104 |
