The maximum radial and axial shrinkage in natural convective, forced convective and coupled irradiation-convective drying methods at the end of the drying processes.

	Max. radial shrinkage (1 − (r/r0)min)		Max. axial shrinkage (1 − (h/h0)min)
	Repetition 1	Repetition 2	Repetition 1	Repetition 2
Natural convection	0.274	0.266	0.332	0.315
Forced convection	0.213	0.184	0.301	0.292
Coupled irradiation-convection	0.282	0.270	0.418	0.376