Table 2 Combustion and burning properties of the different fuel types (11 to 13 °C, 35, 1-m diameter fire experiments)
Fuel type | Species | Weight fuel, kg | Moisture content | Duration fire (min) | Duration flame (min) | Peak temp fire °C (duration min) | Peak temp surface °C (time to reach min) | Embers | Sparks | Smoke |
---|---|---|---|---|---|---|---|---|---|---|
Fresh bone | Capreolus capreolus | 35.03 + 5.5 kg silver birch | x | 305 | 295 | 851 (170) | 963 (225) | No | No | High at the start |
Soft wood | Picea abies | 35.63 | 20 | 135 | 85 | 1000 (40) | 849 (65) | Yes | Yes | High |
Soft wood | Alnus glutinosa | 34.97 | 18 | 125 | 60 | 844 (50) | 466 (100) | Yes | Yes | high |
Soft wood | Pinus sylvestris | 34.57 | 21 | 175 | 125 | 860 (60) | 761 (135) | Yes | No | Low |
Soft wood | Larix decidua | 35.31 | 20 | 205 | 140 | 850 (110) | 956 (30) | Yes | No | Low |
Hard wood | Quercus robur | 35.08 | 20 | 190 | 120 | 890 (90) | 946 (35) | Yes | No | Low |
Hard wood | Fagus sylvatica | 35.34 | 19 | 190 | 120 | 879 (80) | 853 (65) | Yes | No | Low |
Hard wood | Fraxinus excelsior | 34.76 | 20 | 220 | 150 | 876 (115) | 813 (70) | Yes | No | Low |
Hard wood | Betula pendula | 35.02 | 18 | 170 | 50 | 869 (55) | 586 (100) | Yes | No | High |