Rheological properties estimation of mango pulp by inverse methods

Figures & data

Figure 1. (a) Rheometer Haake model VT550 with a concentric cylinder system, (b) mango pulp, and (c) rheometer operation scheme Haake Viscotester.

Figure 2. Mango pulp rheograms at temperatures from 20°C to 40°C.

Figure 3. Normalized sensitivity coefficients at: (a) 20°C, (b) 30°C, and (b) 40ºC.

Figure 4. Ratio between the normalized sensitivity coefficients at: (a) 20°C, (b) 30°C, and (b) 40ºC.

Table 1 Rheological parameters estimated by the Levenberg–Marquardt method.

T (°C)	20	30	40
(Pa^Citation1/Citation2)	2.0801 ± 0.0004	2.1861 ± 0.0003	2.4795 ± 0.0003
(Pa^Citation1/Citation2.)	0.4456 ± 0.0001	0.2618 ± 0.0001	0.1353 ± 0.0001

Figure 5. Reogrames (experimental and calculated from the Mizrahi–Berk equation) and residues at: (a) 20°C, (b) 30°C, and (c) 40°C.

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