Samples | RHA % Conc. | Experimental k (W/m K) | % Reduction of k with respect to sample A | r (mK/W) |
A | 0 | 0.186 | 0.186 | 5.38 |
B | 10 | 0.195 | −4.8 | 5.19 |
C | 20 | 0.143 | 23.1 | 7.00 |
D | 30 | 0.146 | 21.5 | 6.85 |
E | 40 | 0.111 | 40.3 | 9.00 |