Table 3.

Effect of temperature, air velocity on effective diffusivity of yam slice at different thickness.

	3 mm		6 mm		9 mm
	$D_{eff}$(m2/s)	R2	$D_{eff}$(m2/s)	R2	$D_{eff}$(m2/s)	R2
0.5 m/s
50 °C	6.382E -09	0.979	1.823E -08	0.987	4.102E -08	0.991
60 °C	8.205E -09	0.956	2.188E -08	0.976	4.102E -08	0.904
70 °C	9.117E -09	0.932	2.918E -08	0.953	5.742E -08	0.951
1 m/s
50 °C	6.382E -09	0.945	1.823E -08	0.989	3.281E -08	0.988
60 °C	4.558E -09	0.715	2.918E -08	0.986	4.922E -08	0.918
70 °C	1.003E -08	0.834	3.647E -08	0.964	5.742E -08	0.968
1.5 m/s
50 °C	7.293E -09	0.932	2.553E -08	0.957	4.922E -08	0.967
60 °C	1.094E -08	0.970	2.188E -08	0.923	4.922E -08	0.885
70 °C	9.117E -09	0.965	4.741E -08	0.977	1.641E -07	0.699