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. 2021 Apr 21;4:67. Originally published 2020 Jun 25. [Version 2] doi: 10.12688/gatesopenres.13137.2

Table 2. Expressions for modelling MR, drying rate and drying time.

Drying
model
Moisture ratio
( MR)
Drying rate
( dMR/dt)
Drying time
( t)
Page MR = exp(-kt n) dMR/dt = knt n-1 e -kt n t = (-ln MR/k) n-1)
Newton MR = exp(-kt) dMR/dt = ke -kt t = -ln MR/k
Logarithmic MR = a + b exp(-kt) dMR/dt = kne -kt t = (-ln MR/k)/b
Henderson MR = a exp(-kt) dMR/dt = kne -kt t = (-ln MR/k)/b