The subject of this paper is the analysis of moisture content (MC) changes of
beech and ash wood during two years in room conditions (heating during
winter; no air conditioning during summer). The registered MC changes are
primarily the result of changes in relative humidity of the air (measured by
capacitive probes). The average relative humidity of the air in the interior
is lower today than in the past, as also shown in this experiment (the
average relative humidity of air during two years was 44%). The lowest wood
MC was reached on very cold winter days when the heating was on even during
the night - between 5% and 6%, and the highest one at the beginning of June:
10.4-10.9%. As expected, the wood did not reach equilibrium moisture content
- during winter, MC is by about 1% higher, and in summer it is lower by up
to 2.5% than the equilibrium. The recommendation that the sawn timber from
which the interior products will be made should be dried at 7-8% MC was
confirmed.
The Effect of Moisture Content of Black Locust Wood on the Heating in the Saturated Water Steam during the Process of Colour Modification