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Table 2 Two-loop borehole resistance model results
From: Thermal resistance of borehole heat exchangers composed of multiple loops and custom shapes
N 100p =  | 2 |  |  |
Case 1. | (mm) | f | R b |
Z =  | 63.5 | 0.878 | 0.196 |
Z/√2 =  | 44.9 | 0.828 | 0.205 |
|  |  | Avg/2N L =  | 0.100 |