Efeito da temperatura e velocidade do ar sobre a taxa de secagem da madeira de Pinus elliottii Engelm

Efeito da temperatura e velocidade do ar sobre a taxa de secagem da madeira de Pinus elliottii Engelm

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To evaluate the effect of temperature and air velocity on drying rate, slash pine wood pieces of 25 x 125 x 750 mm EXFOLIATING TREATMENT SHAMPOO were dried in semi-industrial kiln with forced convection.The process was conduct for two temperatures and two air velocities and controlled by a dat a acquisition system.The results showed that the drying rate has a direct relationship to temperature, air velocity and wood moisture content.Through multiple regression analysis it was possible to detect statistically significant effect of temperature a nd air velocity on drying rate and drying time, at 99% confidence level.Since the influence of air velocity on wood drying decreases with moisture content, 7AK@Pk because of economic reasons, more investigations were suggested about the relationship between the two variables during falling-rate drying period.