Sökning: "Rolf Birkeland"

Hittade 2 avhandlingar innehållade orden Rolf Birkeland.

1. 1. Value Activation with vertical annual rings - material, production, products

   Författare :Dick Sandberg; Martin Wiklund; Rolf Birkeland; KTH-Royal Institute of Technology; []
   Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; wood quality; vertical grain; sawing; drying; value added products; Forestry and Wood Technology; Skog och träteknik;

   Sammanfattning : .... LÄS MER

3. 2. Spiral Grain in Norway Spruce

   Författare :Harald Säll; Thomas Thörnqvist; Rolf Birkeland; Växjö universitet; []
   Nyckelord :Spiral grain angle; drying deformation; warp; wood quality; Norway spruce; Picea abies; FORESTRY; AGRICULTURAL SCIENCES and LANDSCAPE PLANNING; SKOGS- och JORDBRUKSVETENSKAP samt LANDSKAPSPLANERING;

   Sammanfattning : Wood is a major construction material that is used in many contexts, and for different purposes. Serious problems may arise, however, when moisture related deformations as twist occur in wood used in different types of building structures, joinery and furniture. LÄS MER