Table 9 Thermal efficiency of baking
Stove | Replication | Mass of batter (mbb) [g] | Mass of evaporated water (mwe) [g] | Useful baking energy [MJ] | Equivalent mass of dry fuel wood (mdf) [g] | Fuel wood energy consumed [MJ] | Thermal efficiency (ηth) [%] | Uncertainty uth[%] |
|---|---|---|---|---|---|---|---|---|
TTC | 1 | 16000 | 4407 | 14 | 5883 | 106 | 13 | |
2 | 16000 | 4409 | 14 | 5451 | 98 | 14 | ||
3 | 16000 | 4449 | 14 | 5427 | 98 | 14 | ||
Average | 16000 | 4422 | 14 | 5587 | 101 | 14 | ||
SD | 0 | 24 | 0 | 257 | 5 | 1 | ||
Mirt | 1 | 16000 | 3106 | 11 | 3926 | 71 | 15 | |
2 | 16000 | 3443 | 12 | 4024 | 72 | 16 | ||
3 | 16000 | 3414 | 12 | 3691 | 66 | 17 | ||
Average | 16000 | 3321 | 11 | 3880 | 70 | 16 | ||
SD | 0 | 187 | 0 | 171 | 3 | 1 | ||
MUC | 1 | 16000 | 3125 | 11 | 3054 | 55 | 20 | |
2 | 16000 | 2791 | 10 | 3006 | 54 | 19 | ||
3 | 16000 | 3142 | 11 | 2755 | 50 | 22 | ||
Average | 16000 | 3019 | 11 | 2938 | 53 | 20 | ||
SD | 0 | 198 | 0 | 160 | 3 | 1 | ||
MUG | 1 | 16000 | 3508 | 12 | 2268 | 41 | 29 | |
2 | 16000 | 3666 | 12 | 2140 | 39 | 31 | ||
3 | 16000 | 3490 | 12 | 1892 | 34 | 34 | ||
Average | 16000 | 3555 | 12 | 2100 | 38 | 31 | ||
SD | 0 | 97 | 0 | 191 | 3 | 3 | ||
MUA | 1 | 16000 | 2785 | 10 | 1942 | 35 | 29 | |
2 | 16000 | 2037 | 8 | 1941 | 35 | 24 | ||
3 | 16000 | 2660 | 10 | 1746 | 31 | 31 | ||
Average | 16000 | 2494 | 9 | 1876 | 34 | 28 | ||
SD | 0 | 401 | 1 | 113 | 2 | 3 |