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1
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
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The impact of open air beech lumber storage on kiln drying. Part. II

100%
Kowal M., Dudarski G., Czestochowski C.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2013
|
tom 83
2
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

The impact of beech lumber open air storage on kiln drying. Part I

100%
Kowal M., Dudarski G., Czestochowski C.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2013
|
tom 83
3
Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik
Content available

The impact of open air beech lumber storage on kiln drying. Part. III

84%
Kowal M., Dudarski G., Czestochowski C.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2013
|
tom 83
4

Moisture content of timber after drying - estimation of drying quality

84%
Guzenda R., Majka J., Olek W., Dudzinski J.
Electronic Journal of Polish Agricultural Universities. Series Wood Technology
|
2002
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tom 05
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nr 2
The drying quality of kiln dried timber was verified in Polish sawmills and furniture companies. The estimation of the quality was limited to the mean moisture content after drying. The quality classes specified in the European Drying Group Recommendation were primary used in the analysis. The obtained results showed that sawmills might presently satisfy the “S” quality class, while the furniture companies might achieve the “Q” class. The better kiln drying quality may be obtained in sawmills after introducing improved procedures of timber stacking and kiln loading.
5

Criteria of kiln selection for drying green timber of fast growing species

84%
Guzenda R., Olek W.
Electronic Journal of Polish Agricultural Universities. Series Wood Technology
|
2002
|
tom 05
|
nr 2
Green timber of Polish fast growing hardwood species is characterized by the high initial moisture content exceeding even 200%. Therefore, during the kiln drying of the timber high capacities of kiln heaters are required. The paper presents a set of problems, which may occur during the drying. A practical example of kiln drying of green poplar timber is discussed. The criteria for the proper kiln selection are given.
6

Effects of steaming on tensile stress development and check risk during kiln-drying of European beech (Fagus sylvatica L.) wood

67%
Majka J.
Folia Forestalia Polonica. Series B - Drzewnictwo
|
2008
|
tom 39
7

Influence of steam drying process on wood mechanical properties

67%
Baranski J., Wierzbowski M.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2012
|
tom 77
Influence of Steam Drying Process on Wood Mechanical Properties. Results of influence of gas-steam mixture drying process on mechanical properties of material are presented. Wood species, namely oak (Quercus L.), beech (Fagus L.), pine (Pinus L.) and spruce (Picea K.) from the northern part of Pomerania region in Poland, were subject of air-steam mixture drying process in a laboratory kiln especially arranged for that reason. Measurements of the global coefficient of elasticity and bending strength for steam dried and air dried samples, as a reference, allowed to reveal the effect of wood steam drying on mechanical properties of wood. It has been recognized that air-steam wood drying causes a small decrease of the mechanical properties of the wood. While the color changes have been observed directly after process, changes in mechanical properties have to be measured. During experiments time of drying process was shorten and satisfactory results were obtained.
8

The innovative experimental rig for wood steam drying at atmospheric pressure

59%
Baranski J., Wierzbowski M.
Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology
|
2012
|
tom 77
The high cost of fossil fuel and soaring consumer interest have encouraged people in the wood industry to look for faster and more energy-efficient methods to dry lumber. The air-steam mixture as medium of drying process was used in a laboratory kiln especially arranged for that reason. Experimental rig is based on automatic control system. At the time of drying measurements of the internal temperature, wood temperature, moisture content and humidity can be performed. During experiments time of drying process was shorten and satisfactory results were obtained.
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