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

Table 6

Effective diffusion coefficients of initial and final phases and the other parameters of Raffia vinifera fibres obtained by the method of dual stage diffusion Fick’s law model along the stem.

Longitudinal position	Radial position	𝐷1eff (mm^2/s)	𝐷2eff (mm^2/s)	𝑀∞ (%)	𝑅^2
PL-1/4	Peripheric	1.39×10^−4	2.87×10^−8	400.17	0.9574
	Half-radius	1.44×10^−4	3.13×10^−8	629.63	0.9577
	Center	1.94×10^−4	3.57×10^−8	675.03	0.9479
PL-2/4	Peripheric	8.34×10^−4	3.09×10^−8	626.51	0.9477
	Half-radius	1.50×10^−4	3.73×10^−8	672.84	0.9709
	Center	2.28×10^−4	4.10×10^−8	805.66	0.9566
PL-3/4	Peripheric	1.31×10^−4	4.56×10^−8	490.73	0.9213
	Half-radius	2.00×10^−4	5.14×10^−8	702.12	0.9657
	Center	2.36×10^−4	4.23×10^−8	872	0.9537
PL-4/4	Peripheric	7.12×10^−5	4.65×10^−8	367.66	0.9264
	Half-radius	1.86×10^−4	4.70×10^−8	598.8	0.9561
	Center	2.11×10^−4	673×10^−8	719.7	0.9468