Energy Potential of Pine and Spruce Cultures

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UDС

630*232.411.11

DOI:

10.17238/issn0536-1036.2017.3.78

Abstract

Currently, more than half of the world's harvested wood is used in power generation, mainly to generate heat. According to the modern estimates, biomass is the most powerful renewable environmentally friendly energy source, next to the Sun. The work objective is the determination of the calorific value of different fractions of the above ground biomass in pine and spruce cultures, growing in the north-taiga area of the Arkhangelsk region. The obtained data are used to determine the amount of solar energy accumulated by the phytomass fractions. The energy potential of the studied pine and spruce cultures is calculated from the lowest phytomass calorific value, since it is adopted in Russia as the main indicator of the energy value of fuel. The relative amount of solar energy accumulated by individual parts of a tree layer in pine and spruce cultures is different. The most energy is accumulated by wood (pine ? 70.0, spruce ? 59.1 %). The lowest indicator of energy productivity is observed in the fraction of dry branches (2.8 and 3.3 %, respectively). The results of the research can be used in the development of forest fire safety maps, justification of the correct choice of a dose of fire-extinguishing chemicals and water for extinguishing, as well as the complex of necessary fire prevention measures. The obtained data allow us to estimate the energy potential of traditionally unused phytomass fractions, to outline the ways of their energy use; and also they are the basis for the energy balance composition of forest communities and the energy flow studying in the forest ecosystems of the taiga zone.

Authors

N.R. Sungurova1, Candidate of Agricultural Sciences, Associate Professor N.A. Babich1, Doctor of Agricultural Sciences, Professor R.V. Sungurov2, Candidate of Agricultural Sciences, Associate Professor, Senior Research Officer V.K. Lyubov1, Doctor of Engineering Sciences, Professor A.N. Popov1, Engineer

Affiliation

1Northern (Arctic) Federal University named after M.V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russian Federation; е-mail: nsungurova@yandex.ru,
v.lubov@narfu.ru, a.n.popov@narfu.ru 2Northern Research Institute of Forestry, ul. Nikitova, 13, Arkhangelsk, 163062, Russian Federation; е-mail: sungurov51@yandex.ru

Keywords

forest culture, pine, spruce, above ground phytomass, calorific value, energy potential.

For citation

Sungurova N.R., Babich N.A., Sungurov R.V., Lyubov V.K., Popov A.N. Energy Potential of Pine and Spruce Cultures. Lesnoy zhurnal [Forestry journal], 2017, no. 3, pp. 78–84. 10.17238/issn0536-1036.2017.3.78

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