Thermal resistance 1 of multi-layer backfill method

Thermal resistance along flow path 1 in a multi-layer backfill.

Symbol
$R_{q1}$
Unit
K.m/W
Formulae
$R_{q11} + R_{q12} + R_{q13}$Paper R. de Lieto Vollaro et al. (2011)
$R_{q11} + R_{q12}$Paper R. de Lieto Vollaro et al. (2014)