Study of Water Absorption in Raffia vinifera Fibres from Bandjoun, Cameroon

Table 7

Comparison of the effective diffusion coefficients during water absorption.

Produced types	𝐷eff (m^2/s)	References
Okra fibre	5.40×10^−10	[18]
Betel nut fibre	2.80×10^−10
Pasta	5.69×10^−11: initial stage	[16]
	4.20×10^−11: final stage
Hemp fibre	5.29×10^−12: initial stage	[24]
	5.80×10^−13: final stage
Jute fibre	2.33×10^−12: initial stage
	2.30×10^−13: final stage
Flax fibre	2.11×10^−12: initial stage
	2.11×10^−13: final stage
Sisal fibre	4.00×10^−12: initial stage
	4.38×10^−13: final stage
Afra wood	1.38×10^−3
Ojamlesh wood	3.71×10^−4	[14]
Roosi wood	4.88×10^−4
Dried onion	(1.96×10^−9--8.04×10^−9)	[37]
Amaranth grain	(10^−12--10^−11)	[38]
Date pits	9.98×10^−12	[39]
Wheat grain	(1.35×10^−11--6.88×10^−11)	[40]
Rice grain	7×10^−10	[41]
Raffia vinifera  fibre	(7.12×10^−11--2.36×10^−10): initial stage	Studied case
	(2.87×10^−14--6.73×10^−14): final stage