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Wood Handbook: Wood as an Engineering Material. 2010 Edition. The Forest Products Society. Green Wood Weight Calculator. Download the excel spreadsheet to run your own calculations. Green heartwood and sapwood moisture content data taken from Table 4-1, 2010 Edition of the Wood Handbook. Hardwoods
Moisture meters for wood come in a variety of types, with many different features in each. These meters can be broken down into two broad categories by method of measurement: Pin-Type Meters. These devices use two or more electrodes to measure a wood sample’s moisture content using electrical resistance. Since wood is a natural insulator, and
MOISTURE CONTENT OF WOODY BIOMASS A Practical Handbook of Basic Information, Definitions, Calculations, Practices and Procedures for Purchasers and Suppliers of Woody Biomass Developed by: Robert Govett, University of Wisconsin-Stevens Point Terry Mace, Wood Utilization and Marketing, Wisconsin DNR Scott Bowe, University of Wisconsin-Madison
moisture throughout the drying process. As the wood becomes drier, additional energy is needed to release moisture from the hydroscopic forces that bind some of the water to the wood. Very green wood with large amounts of free water requires 580 calories per gram of water evapo-rated. Below 30 percent moisture content, more energy is required
There is a persistent misconception in the industry regarding acceptable moisture content of wood and wood products. These assumptions can lead to flawed decisions regarding construction drying times, mold risks, and failure criteria. Dimensional lumber and sheet materials are subject to varied moisture conditions before arriving at the jobsite.
air drying times to several final moisture contents are given for several nominal thicknesses of lumber at various loca-tions within the growing range of the six species studied. Keywords: air drying, computer simulation, lumber November 2000 Simpson, W.T.; Hart, C.A. 2000. Estimates of air drying times