Method and apparatus for determining the bulk density of wood

Details Method and apparatus for determining the bulk density of wood Method and apparatus for determining the bulk density of wood

G - Physics

01

N

73/90

G01N 9/00 (2006.01) G01N 33/46 (2006.01)

Patent

CA 1273823

ABSTRACT This invention relates to a novel process and apparatus useful in determining the approximate bulk density of a wood specimen. The ability to predict or determine the approximate bulk density of a wood specimen enables field crews to select, through approxi- mate bulk density determinations the wood quality of trees for selective consumption or breeding purposes. A wood specimen having an axial extent and a known initial volume is rendered incompressible by the appli- cation of a compressive force sufficient to expel sub- stantially all of the free water therefrom. The approximate bulk density is then determined by dividing the compressed volume of the specimen by its initial volume and if considered appropriate, multiplying this by a constant. The apparatus is a device employed for applying the compressive force to the specimen whilst permitting the free water to be expelled therefrom whereupon the compressed or final volume of the specimen can be determined.

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