Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/82696
Type of publication: research article
Type of publication (PDB): Straipsnis konferencijos medžiagoje Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or Scopus DB conference proceedings (P1a)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Ciganas, Nerijus;Raila, Algirdas
Title: Analysis of heating value variations in stored wood
Is part of: Engineering for rural development: 9th international scientific conference, May 27-28, 2010: proceedings,. Jelgava: Latvia University of Agriculture, 2010, no. 9
Extent: p. 186-191
Date: 2010
Keywords: Wood;Bio-fuel;Calorific value;Ambient air;Moisture exchange
Abstract: This paper presents dynamics of calorific value variations in wood grown in Lithuania that can be used for fuel, namely: Scotch pine (Pinus sylvestris), osier willow (Salix viminalis) and silver birch (Betula pendula). Felled wood with a moisture content of Pinus sylvestris – 42.95 %, Salix viminalis – 43.34 % and Betula pendula – 37.82 % respectively, was stored in 3 variants of environmental conditions: on the ground, lifted above the ground and under a blow-off shelter. Purpose of the study – to analyse variations of moisture content in growing and felled wood, depending on the ambient air (weather) and storage conditions, influencing wood fuel production. To determine regularities of lower thermal energy variations in cut wood. Experimental trials had been conducted at the Department of Heat and Biotechnological Engineering, Lithuanian University of Agriculture. It was determined that moisture content and calorific value of wood stored outdoors depended on ambient air humidity and rainfall variations. Lower thermal energy value of wood stored under the blow-off shelter increased during spring period, and had always been approx. by 40.55 % (4.88 MJ·kg-1) higher than that in open storage yards
Internet: http://tf.llu.lv/conference/proceedings2010/Papers/35_Ciganas_Nerijus.pdf
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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