Table 1.
The predicted values, constants and statistical analysis of the models fitted to the drying data for thin-layer guar gum-coated sour cherry.
Model name | Model equation | Model constants | SSE | r | RMSE | Predicted moisture ratio | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Midilli | MR = aexp(-ktn) + bt | a = 0.9999 k = 0.0944 n = 0.5083 b = -0.0023 |
0.0002 | 0.9998 | 0.0082 | 1.000 | 0.653 | 0.518 | 0.417 | 0.331 | 0.256 | 0.188 |
Page | MR = exp(-ktn) | k = 0.0504 n = 0.761 |
0.0015 | 0.9983 | 0.0177 | 1.000 | 0.673 | 0.511 | 0.401 | 0.321 | 0.260 | 0.213 |
Wang and Singh | MR = 1 + at + bt2 | a = -0.0184 b = 0.0001 |
0.0141 | 0.9846 | 0.0531 | 1.000 | 0.747 | 0.538 | 0.375 | 0.256 | 0.183 | 0.154 |
Newton | MR = exp(-kt) | k = 0.0198 | 0.0114 | 0.9876 | 0.0435 | 1.000 | 0.743 | 0.552 | 0.410 | 0.305 | 0.227 | 0.168 |
Henderson and Pabis | MR = aexp(-kt) | a = 0.9533 k = 0.0187 |
0.0085 | 0.9908 | 0.0412 | 0.953 | 0.720 | 0.544 | 0.411 | 0.310 | 0.234 | 0.177 |
Logarithmic | MR = aexp(-kt) + c | a = 0.8362 k = 0.0269 c = 0.1435 |
0.0048 | 0.9948 | 0.0346 | 0.980 | 0.702 | 0.517 | 0.393 | 0.310 | 0.255 | 0.218 |
Experimental moisture ratio | 1.000 | 0.646 | 0.525 | 0.408 | 0.329 | 0.258 | 0.192 |
* where, SSE is sum of squared errors; r is correlation coefficient; RMSE is root mean squared error; MR is moisture ratio (dimensionless); t is time (min); a, k, n, b, and c are coefficients of the models (dimensionless).