Science – Society – Technology
From: An efficient hybrid model for thermal analysis of deep borehole heat exchangers
\( {{r_{b} } \mathord{\left/ {\vphantom {{r_{b} } {r_{\infty } }}} \right. \kern-0pt} {r_{\infty } }} \) | 0.001 | 0.01 | 0.02 | 0.05 | 0.1 | 0.2 |
\( \alpha_{1} r_{\infty } \) | 3.832 | 3.832 | 3.836 | 3.860 | 3.941 | 4.236 |