Table 2.
Results of fitting the experimental data for tiger nuts and their estimated constants for the various air temperatures.
| Model name | T (°C) | State | a | k | n | b/c | R 2 | RMSE | X 2 |
|---|---|---|---|---|---|---|---|---|---|
| Page | 70 | Whole | 0.005 | 0.972 | 0.998 | 0.012247 | 0.000167 | ||
| Halved | 0.007 | 0.922 | 0.998 | 0.012247 | 0.000167 | ||||
| Pulverized | 0.012 | 1.234 | 0.999 | 0.01 | 0.000111 | ||||
| 60 | Whole | 0.002 | 1.113 | 0.998 | 0.014142 | 0.000222 | |||
| Halved | 0.009 | 0.85 | 0.997 | 0.014142 | 0.000222 | ||||
| Pulverized | 0.011 | 1.011 | 0.01 | 0.000111 | |||||
| 50 | Whole | 0.002 | 1.077 | 0.993 | 0.02582 | 0.000737 | |||
| Halved | 0.005 | 0.922 | 0.992 | 0.026726 | 0.000789 | ||||
| Pulverized | 0.010 | 1.05 | 0.996 | 0.019518 | 0.000421 | ||||
|
| |||||||||
| Midilli et al. | 70 | Whole | 1.014 | 0.007 | 0.903 | −3.79E − 05 | 0.999 | 0.01 | 0.000125 |
| Halved | 1.006 | 0.009 | 0.865 | −3.62E − 05 | 0.999 | 0.007071 | 6.25E − 05 | ||
| Pulverized | 0.997 | 0.02 | 1.266 | 5.60E − 06 | 0.999 | 0.01 | 0.000125 | ||
| 60 | Whole | 0.984 | 0.006 | 1.094 | −3.48E − 05 | 0.999 | 0.01 | 0.000125 | |
| Halved | 1.008 | 0.007 | 0.774 | −5.71E − 05 | 0.998 | 0.01 | 0.000125 | ||
| Pulverized | 0.986 | 0.015 | 1.037 | 2.83E − 06 | 0.999 | 0.01 | 0.000125 | ||
| 50 | Whole | 0.999 | 0.005 | 0.855 | 0.00E + 00 | 1 | 0 | 0 | |
| Halved | 0.997 | 0.0057 | 0.736 | 0.00E + 00 | 1 | 0 | 0 | ||
| Pulverized | 0.993 | 0.014 | 0.946 | −8.13E − 05 | 0.999 | 0.006901 | 5.88E-05 | ||
|
| |||||||||
| Logarithmic | 70 | Whole | 0.996 | 0.004 | -0.004 | 0.998 | 0.014142 | 0.000235 | |
| Halved | 0.97 | 0.004 | 0.004 | 0.997 | 0.014142 | 0.000235 | |||
| 60 | Pulverized | 1.062 | 0.007 | -0.012 | 0.994 | 0.024495 | 0.000706 | ||
| Whole | 1.086 | 0.003 | -0.087 | 0.999 | 0.012247 | 0.000176 | |||
| Halved | 0.926 | 0.004 | 0.029 | 0.994 | 0.022361 | 0.000588 | |||
| Pulverized | 0.999 | 0.005 | -0.005 | 0.999 | 0.01 | 0.000118 | |||
| 50 | Whole | 1.154 | 0.002 | -0.184 | 0.999 | 0.009759 | 0.000111 | ||
| Halved | 0.992 | 0.003 | -0.057 | 0.995 | 0.020702 | 0.0005 | |||
| Pulverized | 1.052 | 0.005 | -0.074 | 0.999 | 0.009759 | 0.000111 | |||