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

Table 5

Effective diffusion coefficients and some parameters of Raffia vinifera fibers obtained by the method of Fickian diffusion along the stem.

Longitudinal position	Radial position	𝐷eff (mm^2/s)	𝑀∞ (%)	𝑅^2
PL-1/4	Peripheric	9.08×10^−8	349	0.9013
	Half-radius	9.98×10^−8	520.1	0.9309
	Center	1.06×10^−7	557.2	0.9208
PL-2/4	Peripheric	8.98×10^−8	528.9	0.9188
	Half-radius	1.02×10^−7	586	0.9344
	Center	1.07×10^−7	695.5	0.929
PL-3/4	Peripheric	1.13×10^−7	432.3	0.8853
	Half-radius	1.15×10^−7	625.9	0.9352
	Center	1.13×10^−7	750.6	0.9148
PL-4/4	Peripheric	1.23×10^−7	321	0.8314
	Half-radius	1.31×10^−7	520.7	0.8981
	Center	1.34×10^−7	711.8	0.9246