Table 5.

Regression coefficients and coefficient of determination (R²) of D_eff for different IR drying conditions.

Air flow velocity (m S−1)	IR radiation intensity (W cm−2)	A	B	C	D	R2
0.75	0.075	11.73	0.8548	−0.0283	0.0002	0.7682
	0.15	27.73	1.0388	−0.0363	0.0002	0.9669
	0.225	50.41	0.5051	−0.0178	0.000006	0.9992
	0.3	77.926	0.2268	−0.0035	0.0002	0.9999
1.25	0.075	7.2374	0.3172	−0.00071	−0.00002	0.6291
	0.15	13.969	0.9293	−0.0317	0.0002	0.817
	0.225	35.742	0.6074	−0.0234	0.0001	0.9808
	0.3	57.214	0.4253	−0.0137	0.00005	0.9994