Table 1.

Mathematical models used to describe the thin-layer drying curve.

No.	Model name	Analytical expression	Reference
1	Lewis	MR = exp(−kt)	Bruce (1985)
2	Page	MR = exp(−kty)	Page (1949)
3	Modified page	MR = exp(−(kt)y)	White et al. (1981)
4	Henderson and Pabis	MR = a exp(−kt)	Henderson and Pabis (1961)
5	Wang and Singh	MR = 1 + at + bt2	Wang and Singh (1978)
6	Logarithmic	MR = a exp(−kt) + c	Togrul and Pehlivan (2002)
7	Tow term	MR = a exp(−k1t) + b exp(−k2t)	Henderson (1974)
8	Tow term exponential	MR = a exp(−kt) + (1 − a) exp(−kat)	Sharaf-Eldeen et al. (1980)
9	Modified Henderson and Pabis	MR = a exp(−kt) + b exp(−gt) + c exp(−ht)	Karathanos (1999)
10	Midilli	MR = a exp(−ktn) + bt	Midilli et al. (2002)
11	Approximation of diffusion	MR = a exp(−kt) + (1 − a) exp(−kbt)	Kassem (1996)
12	Verma et al.	MR = a exp(−kt) + (1 − a) exp(−gt)	Verma et al. (1985)
13	Simplified Fick’s diffusion	MR = a exp(−c(t/L2))	Diamante and Munro (1991)