Firewood


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Firewood

 

sawn and usually split trees intended for use as fuel. In the USSR it is customary to measure firewood by volume, for which purpose it is stacked in piles, the value (wood content) of which depends on the way it is stacked: the stacking is considered normal if the firewood totals 70 percent of the volume. The mass of 1 cubic meter (with wood occupying 100 percent of the volume) with a relative moisture content of 20 percent weighs approximately 730 kg for oak, 670 kg for birch, 525 kg for pine, 470 kg for fir, and 500 kg for aspen. The wood of all species of trees in the USSR has a similar chemical composition and contains about 50 percent carbon. Hence the heat of combustion of wood of various species in absolutely dry condition in terms of 1 kilogram is the same: about 18,800 kilojoules (4,500 kcal), with a variation of not more than 3 to 5 percent. However, the heat of combustion of wood per cubic decimeter is different and is on the average, in kilojoules (kcals), 12,500 (3,000) for oak, 10,900 (2,600) for birch, 8,400 (2,000) for black alder, 7,500 (1,800) for pine, and 7,100 (1,700) for fir and aspen. In terms of heat of combustion 100 kg of dry wood corresponds to 31 kg of oil residues, 43 kg of coal, 50 kg of dry peat, and 120 kg of semidry peat. The proportion of wood in the fuel balance of the USSR is negligible and steadily diminishing.

References in periodicals archive ?
Gas is unlikely to fully replace charcoal and firewood.
Ronualdo Layron, 32, and his brother Marjon, were gathering firewood in a forested area in Barangay Ayuti around 5:30 p.
Chief Julius Baskwony of Kaibos-Soi location said the girls may have been trying to climb to the top of the rocky hill to reach a point with plenty of firewood.
Talking to Dawn here, residents of different areas of the region claimed that price of LPG had increased from Rs130 per kg before the recent rain to Rs150 per kg, while that of firewood from Rs450 per 40kg to Rs500 to Rs550 per 40kg.
Women who are not used to cooking with firewood, somehow managed to cook meal using firewood and coal,' one of the resident said.
The following example illustrates how coppice firewood production stacks up against trees of seed origin.
Store the bulk of your firewood away from the house, tarped, and off the ground with a rack or other means to provide air circulation and discourage rodents and insects from coming into your house.
Of course, the size you cut your firewood to is all dependent on what you're using it for but the smaller the pieces the quicker it'll season and be ready for use.
Soro (Odisha) [India] Jan 10 ( ANI ): Two persons were arrested and five others detained for interrogation in connection with a viral video showing a mentally challenged minor girl being beaten up severely after being tied with a rope by them for allegedly stealing firewood in Odisha's Soro block.
The girlsa, Sumayya Gadi, 7, Zuwaira Abdulhamidu, 12, Ummi Sa'adu, 11 and Gaji Sa'adu,12 ,were said to have been sent on errand by their parents to fetch firewood from the neighbouring bushes when news broke to members of the village that their wards were killed.
The EAB attacks and kills all species of ash trees, and is most commonly spread through the movement of firewood.