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Articles containing the keyword 'split billet'

Category : Article

article id 4701, category Article
Veijo Heiskanen. (1961). Tutkimuksia koivuhalkojen painosta ja kosteudesta. Silva Fennica no. 108 article id 4701. https://doi.org/10.14214/sf.a9136
English title: Studies on the weight and moisture of split birch fuel wood.
Original keywords: polttopuu; koivu; halot; lämpöarvo; kosteusprosentti; kuivapaino
English keywords: birch; firewood; moisture content; fuel wood; heat value; dry weight; split billet
Abstract | View details | Full text in PDF | Author Info

The purpose of this investigation is to examine the weight and moisture of split birch fuel wood and to calculate its heat values. The weight was measured of 255 truck loads in six different locations during the winter 1959–1960. Moisture analysis was made of sample specimens collected from the loads.

The dry matter weight of the birch fuel wood was in an average 333 kg/m3 piled measure. The lowest measured weight was 319 and the highest 341 kg/m3 piled measure. The moisture content in the different parts of the pile varies distinctly. Driest wood is found in the middle of the pile. Wood in the top and bottom of the pile have about similar moisture content.

The manner of storage influences the drying process. The moisture content of open piles is 20.5%, of paper-covered piles 19.9% and roofed multiple-piles of split fuel wood 19.3%. The 2-year-old piles were dryer than 1-year-old ones. Higher percentages (25% and 20 %, respectively) than those measured in the study, are recommended for practical use. The heat value of the wood stored in a pile was in average 1,435 Mcal/m3 piled measure, and 1,455 Mcal/m3 piled measure sampled from a truck load.

The PDF includes a summary in English.

  • Heiskanen, E-mail: vh@mm.unknown (email)

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