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Table 4 Thermal conductivity obtained on the starting and doped (+ 5 and + 10% of graphite powder) bentonitic grouts
From: Doped bentonitic grouts for implementing performances of low-enthalpy geothermal systems
λ (W/m K) | |
|---|---|
Starting material | |
1st measurement | 1198 |
2nd measurement | 1207 |
3rd measurement | 1171 |
4th measurement | 1186 |
Starting material + graphite 5% | |
1st measurement | 1861 |
2nd measurement | 1819 |
3rd measurement | 1940 |
4th measurement | 1872 |
5th measurement | 1896 |
Starting material + graphite 10% | |
1st measurement | 1917 |
2nd measurement | 1963 |
3rd measurement | 2013 |
4th measurement | 1928 |
5th measurement | 2045 |