Table 7 Compared values of statistical parameters of empirical models of drying of thyme in infrared- refractance window
Model name | Tempera-ture (°C) | R2 | \(\chi^{2}\) | RMSE | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
60 g | 90 g | 120 g | 60 g | 90 g | 120 g | 60 g | 90 g | 120 g | ||
Page | 70 | 0.9991 | 0.9984 | 0.9993 | 0.00110 | 0.00249 | 0.00098 | 0.00761 | 0.00926 | 0.00714 |
80 | 0.9989 | 0.9979 | 0.9961 | 0.00142 | 0.00309 | 0.00450 | 0.00870 | 0.00969 | 0.02350 | |
90 | 0.9969 | 0.9991 | 0.9986 | 0.00391 | 0.00119 | 0.00229 | 0.01251 | 0.00777 | 0.00912 | |
Wang and Singh | 70 | 0.9891 | 0.9865 | 0.9777 | 0.01029 | 0.01325 | 0.02398 | 0.05135 | 0.05502 | 0.09654 |
80 | 0.9799 | 0.9699 | 0.9785 | 0.01999 | 0.03898 | 0.02245 | 0.08692 | 0.17694 | 0.09358 | |
90 | 0.9826 | 0.9901 | 0.9873 | 0.01739 | 0.00942 | 0.01239 | 0.06728 | 0.04321 | 0.05465 | |
Newton | 70 | 0.9698 | 0.9679 | 0.9825 | 0.03905 | 0.04025 | 0.01742 | 0.17951 | 0.1812 | 0.06861 |
80 | 0.9711 | 0.9864 | 0.9844 | 0.03666 | 0.01342 | 0.01411 | 0.16987 | 0.05534 | 0.05812 | |
90 | 0.9802 | 0.9799 | 0.9768 | 0.01967 | 0.02002 | 0.02451 | 0.08342 | 0.08725 | 0.09754 | |
Verma et al | 70 | 0.9869 | 0.9962 | 0.9929 | 0.01293 | 0.00431 | 0.00775 | 0.05467 | 0.02228 | 0.03725 |
80 | 0.9899 | 0.9819 | 0.9944 | 0.00956 | 0.01782 | 0.00613 | 0.04368 | 0.07293 | 0.03388 | |
90 | 0.9926 | 0.9899 | 0.9893 | 0.00805 | 0.00959 | 0.01002 | 0.03912 | 0.04390 | 0.05124 | |
Logarithmic | 70 | 0.9961 | 0.9979 | 0.9953 | 0.00439 | 0.00305 | 0.00531 | 0.02292 | 0.00659 | 0.03233 |
80 | 0.9978 | 0.9938 | 0.9949 | 0.00314 | 0.00711 | 0.00583 | 0.00972 | 0.03458 | 0.03309 | |
90 | 0.9959 | 0.9899 | 0.9929 | 0.00469 | 0.00961 | 0.0772 | 0.02999 | 0.04379 | 0.03687 | |
Henderson and Pabis | 70 | 0.9712 | 0.9821 | 0.9788 | 0.03654 | 0.01768 | 0.02281 | 0.16584 | 0.07215 | 0.09211 |
80 | 0.9760 | 0.9789 | 0.9723 | 0.02578 | 0.02221 | 0.03215 | 0.12451 | 0.09021 | 0.15480 | |
90 | 0.9800 | 0.9842 | 0.9833 | 0.01992 | 0.01432 | 0.01698 | 0.08524 | 0.05839 | 0.06542 | |
Midilli et al., | 70 | 0.9994 | 0.9998 | 0.9999 | 0.00086 | 0.00014 | 0.00008 | 0.00495 | 0.00245 | 0.00124 |
80 | 0.9995 | 0.9998 | 0.9996 | 0.00077 | 0.00037 | 0.00069 | 0.00449 | 0.00280 | 0.00412 | |
90 | 0.9992 | 0.9997 | 0.9997 | 0.00093 | 0.00061 | 0.00052 | 0.00689 | 0.00355 | 0.00329 | |
Two-term | 70 | 0.9969 | 0.9978 | 0.9991 | 0.00388 | 0.00311 | 0.00112 | 0.01241 | 0.00967 | 0.00769 |
80 | 0.9954 | 0.9989 | 0.9990 | 0.00521 | 0.00142 | 0.00129 | 0.03215 | 0.00869 | 0.00842 | |
90 | 0.9982 | 0.9994 | 0.9986 | 0.00279 | 0.00093 | 0.00129 | 0.00929 | 0.00569 | 0.00919 | |