Heat,smoke and fuel consumption in a high mountain stállo-hut,northern Sweden – Experimental burning of fresh birch wood during winter |
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| Authors: | Lars G Liedgren Lars Östlund |
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| Institution: | 1. Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of Gothenburg, Box 430, SE-405 30 Göteborg, Sweden;2. Department of Infectious Diseases, Institute of Biomedicine, The Sahlgrenska Academy at the University of Gothenburg, Box 440, SE-405 30 Göteborg, Sweden;3. Genomics Core Facility at the Sahlgrenska Academy, University of Gothenburg, Box 413, SE-405 30 Göteborg, Sweden;4. Department of Chemistry, Umeå University, Linaeus väg 10, SE-907 36 Umeå, Sweden;5. Mathematical Sciences, Chalmers University of Technology and University of Gothenburg, SE-412 96 Göteborg, Sweden |
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| Abstract: | The overall aim of this study was to investigate in situ, the use of an open fire for heating a traditional mountain Sami stállo-hut during winter using fresh mountain birch as fuel. The study took the form of repeated actualistic experimentation and the following parameters were recorded: fuel consumption and logistics, indoor temperature, CO-levels inside the hut and temperature in both the hut and the traditional Sami stone-lined hearth with a stone filling of flat stones. Our results show that fresh birch is an effective fuel and that about 3.6 kg (dry weight) of wood was used per hour; it took a few hours of work per day to obtain the firewood required. The highest temperature recorded beneath the stone filling in the hearth was 437.7 °C. The hearth stored a lot of heat but this did not affect the indoor temperature during the night. The highest indoor temperature indoor was +26.9 °C, but it was generally much lower and varied considerably during the day and in relation to the outdoor temperature. The CO-levels reached 112 ppm at floor level and co-varied with the smokiness experienced inside the hut. |
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