Estimation of an effective water diffusion coefficient during infrared-convective drying of a polymer solution

AIChE Journal ◽  
2009 ◽  
Vol 55 (9) ◽  
pp. 2345-2355 ◽  
Author(s):  
N. Allanic ◽  
P. Salagnac ◽  
P. Glouannec ◽  
B. Guerrier
Keyword(s):  
Diffusion Coefficient ◽  
Polymer Solution ◽  
Water Diffusion ◽  
Convective Drying ◽  
Effective Water ◽  
Water Diffusion Coefficient

scholarly journals Research on Determination of Water Diffusion Coefficient in Single Particles of Wood Biomass Dried Using Convective Drying Method

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 927
Author(s):  
Weronika Tulej ◽  
Szymon Głowacki ◽  
Andrzej Bryś ◽  
Mariusz Sojak ◽  
Piotr Wichowski ◽  
...  
Keyword(s):  
Diffusion Coefficient ◽  
Physical Structure ◽  
Water Diffusion ◽  
Convective Drying ◽  
Drying Methods ◽  
Single Particles ◽  
Theoretical Dependence ◽  
Reduced Water ◽  
Water Diffusion Coefficient

Determination of the mass diffusion coefficient for dried, inhomogeneous material is difficult as it depends on the drying agent temperature and the moisture content and physical structure of the material. The paper presents a method for efficient determination of the water diffusion coefficient for wood solid cuboids dried using convective drying methods. In this work, the authors define a theoretical dependence of the Fourier number on reduced water content in a convectively dried cuboidal solid, based on a simplified theoretical solution of the diffusion equation for such a body. The material for drying included shoots of common osier, robinia (false acacia), multiflora rose, and energy poplar, dried at temperatures of 40, 50, 60, 70, and 80 °C, in free convection. The obtained results differ from the theoretically anticipated changes of the coefficient.

Formalin fixation alters water diffusion coefficient magnitude but not anisotropy in infarcted brain

2005 ◽  
Vol 53 (6) ◽  
pp. 1447-1451 ◽  
Author(s):  
Shu-Wei Sun ◽  
Jeffrey J. Neil ◽  
Hsiao-Fang Liang ◽  
Yong Y. He ◽  
Robert E. Schmidt ◽  
...  
Keyword(s):  
Diffusion Coefficient ◽  
Water Diffusion ◽  
Formalin Fixation ◽  
Water Diffusion Coefficient
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