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Validation of the DRYTEK Drying Simulation Software in an Industrial EnvironmentNew

Project leaders: Fortin, Yves
 

Objective:

The DRYTEK software program is a low- to medium-temperature drying simulation tool developed jointly by Université Laval and FPInnovations–Forintek. DRYTEK was validated in laboratory dryers for four commercial species of softwood from eastern Canada (black spruce, white spruce, jack pine and balsam fir) and will also be validated for two hardwood species (sugar maple and white birch) by March 2010. With respect to changes in drying temperature and air speed through the load of wood over the course of drying, DRYTEK uses certain simplifying assumptions that have been validated only for laboratory dryers with a 1.22-m wide stack. However, the validity of such hypotheses remains to be demonstrated for industrial dryers with a capacity of two or more loads, with rear and front loading. The main objective of this project is therefore to measure the changes in temperature and air speed through the stacks of wood, as well as the changes in the moisture content of the wood throughout drying (drying curves, moisture gradients across the thickness) and the presence of surface checking. The data obtained will make it possible to adjust, based on the type of stack and the air flow pattern, the functions of the software that manage the theoretical changes in temperature and air speed in the stacks.
 

Start date: 2010-04-01 End date: 2011-03-31
 
 

For more information on this project, please contact:

Fortin, Yves
Laval University
Email: yves.fortin@sbf.ulaval.ca
Telephone: (418) 656-2181
Fax: (418) 656-5262
 
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